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支持了多级绑定
This commit is contained in:
飞色 开
parent
7b64b82032
commit
6d5acbdfac
@ -12,6 +12,7 @@ using System.Reflection.Emit;
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using System.Runtime.InteropServices;
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using System.Linq.Expressions;
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using System.Threading;
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using System.Diagnostics;
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namespace CPF
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{
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@ -366,29 +367,21 @@ namespace CPF
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}
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return;
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}
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//CpfObject s = Source.Target as CpfObject;
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//if (s == null)
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//{
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// var p = Source.Target.GetType().GetProperty(SourcePropertyName);
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// if (p == null)
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// {
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// throw new Exception("未找到" + Source.Target + "的属性：" + SourcePropertyName);
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// }
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// value = p.FastGetValue(Source.Target);
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//}
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//else
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//{
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// if (s.HasProperty(SourcePropertyName))
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// {
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// value = s.GetValue(SourcePropertyName);
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// }
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// else
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// {
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// var p = s.Type.GetProperty(SourcePropertyName);
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// value = p.FastGetValue(Source.Target);
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// }
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//}
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value = Source.Target.GetPropretyValue(SourcePropertyName);
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/*var SourcePropertyNames = SourcePropertyName.Split('.');
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if (SourcePropertyNames.Length > 1) {
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value = Source.Target;
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for (int i = 0; i < SourcePropertyNames.Length; i++)
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{
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value = value.GetPropretyValue(SourcePropertyNames[i]);
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}
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}
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else
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{
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value = Source.Target.GetPropretyValue(SourcePropertyName);
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}*/
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value = GetPropertySource(SourcePropertyName, Source.Target);
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value = value.GetPropretyValue(SourcePropertyName.Split('.').LastOrDefault());
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if (Convert != null)
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{
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value = Convert(value);
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@ -453,8 +446,18 @@ namespace CPF
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{
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if (!b.SetValue(nv, SourcePropertyName))
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{
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var SourcePropertyNames = SourcePropertyName.Split('.');
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if (SourcePropertyNames.Length == 1)
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{
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b.SetValue(SourcePropertyName, nv);
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}
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var Target = b;
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for (int i = 0; i < SourcePropertyNames.Length-1; i++)
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{
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Target = Target.GetPropretyValue(SourcePropertyNames[i]) as CpfObject;
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}
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Target.SetValue(nv, SourcePropertyNames.LastOrDefault());
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//b.Type.GetProperty(SourcePropertyName).FastSetValue(b, nv);
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b.SetValue(SourcePropertyName, nv);
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}
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}
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else
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@ -533,7 +536,8 @@ namespace CPF
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}
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void PropertyChanged(object sender, PropertyChangedEventArgs e)
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{
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if (SourcePropertyName == e.PropertyName)
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var Temp_SourcePropertyName = SourcePropertyName.Split('.').LastOrDefault();
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if (Temp_SourcePropertyName == e.PropertyName)
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{
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//CPFObject s = sender as CPFObject;
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//object value;
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@ -557,6 +561,27 @@ namespace CPF
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}
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}
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}
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internal object GetPropertySource(string SourcePropertyName,object Source)
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{
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try
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{
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var SourcePropertyNames = SourcePropertyName.Split('.');
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if (SourcePropertyNames.Length == 1)
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{
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return Source;
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}
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var Target = Source;
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for (int i = 0; i < SourcePropertyNames.Length - 1; i++)
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{
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Target = Target.GetPropretyValue(SourcePropertyNames[i]) as CpfObject;
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}
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return Target;
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}
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catch (Exception ex)
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{
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throw new Exception("错误:{ex}");
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}
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}
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internal void RegisterPropertyChanged(INotifyPropertyChanged notify)
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{
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@ -564,7 +589,8 @@ namespace CPF
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//{
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// throw new Exception("错误");
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//}
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RegisterPropertyChanged(notify, PropertyChanged);
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var notifySource = GetPropertySource(this.SourcePropertyName, notify);
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RegisterPropertyChanged(notifySource as INotifyPropertyChanged, PropertyChanged);
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}
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internal void CancellationPropertyChanged(INotifyPropertyChanged notify)
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{
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@ -2,6 +2,7 @@
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using System.Collections.Generic;
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using System.Text;
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using System.ComponentModel;
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using System.Linq.Expressions;
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namespace CPF
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{
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@ -16,6 +17,7 @@ namespace CPF
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{
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PropertyName = sourceProperty;
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}
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public BindingDescribe(string sourceProperty, BindingMode binding)
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{
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PropertyName = sourceProperty;
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@ -7,6 +7,7 @@ using System.Linq;
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using CPF.Controls;
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using System.Linq.Expressions;
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using System.Reflection;
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using System.Diagnostics;
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namespace CPF
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{
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@ -102,6 +103,7 @@ namespace CPF
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else
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{
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//((INotifyPropertyChanged)source).PropertyChanged += b.PropertyChanged;
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b.RegisterPropertyChanged((INotifyPropertyChanged)source);
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b.SourceToTarget();
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}
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@ -114,6 +116,7 @@ namespace CPF
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{
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b.SourceToTarget();
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}
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//Debug.WriteLine($"sourcePropertyName:{sourcePropertyName},bindingMode:{bindingMode}");
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return b;
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}
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/// <summary>
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53
CPF/Obx.cs
Normal file
53
CPF/Obx.cs
Normal file
@ -0,0 +1,53 @@
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using System;
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using System.Collections.Generic;
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using System.Linq.Expressions;
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using System.Text;
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namespace CPF
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{
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public class Obx<T>: BindingDescribe where T : CpfObject, new()
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{
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public Obx(Expression<Func<T, object>> sourceProperty)
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{
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var expression = GetMemberExpression(sourceProperty.Body);
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PropertyName = GetMemberPath(expression);
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}
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public Obx(Expression<Func<T, object>> sourceProperty, BindingMode binding)
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{
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var expression = GetMemberExpression(sourceProperty.Body);
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PropertyName = GetMemberPath(expression);
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BindingMode = binding;
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}
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public Obx(Expression<Func<T, object>> sourceProperty, BindingMode binding, Func<object, object> convert)
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{
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var expression = GetMemberExpression(sourceProperty.Body);
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PropertyName = GetMemberPath(expression);
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BindingMode = binding;
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Convert = convert;
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}
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private static MemberExpression GetMemberExpression(Expression expression)
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{
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if (expression is MemberExpression memberExpression)
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{
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return memberExpression;
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}
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else if (expression is UnaryExpression unaryExpression)
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{
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return (MemberExpression)unaryExpression.Operand;
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}
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else
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{
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throw new ArgumentException("Invalid expression. Expected a MemberExpression or UnaryExpression.");
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}
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}
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private static string GetMemberPath(MemberExpression expression)
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{
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if (expression.Expression is MemberExpression memberExpression)
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{
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return GetMemberPath(memberExpression) + "." + expression.Member.Name;
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}
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return expression.Member.Name;
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}
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}
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}
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@ -1,7 +1,7 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFrameworks>netcoreapp3.0;net40;net5;net6</TargetFrameworks>
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<TargetFrameworks>netcoreapp3.0;net40;net5;net6;net8</TargetFrameworks>
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<ApplicationIcon />
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<StartupObject />
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<OutputType>WinExe</OutputType>
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@ -3,11 +3,51 @@ using System;
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using System.Collections.Generic;
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using System.Text;
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using CPF.Controls;
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using static System.Net.Mime.MediaTypeNames;
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namespace ConsoleApp1
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{
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public class data : CpfObject
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{
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public data test {
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get
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{
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return (data)GetValue();
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}
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set
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{
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SetValue(value);
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}
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}
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public data()
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{
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test = this;
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}
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[PropertyMetadata("我是默认的")]
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public string Name
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{
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get
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{
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return (string)GetValue();
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}
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set
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{
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SetValue(value);
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}
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}
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}
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class MainModel : CpfObject
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{
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public data Test1 {
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get
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{
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return (data)GetValue();
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}
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set
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{
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SetValue(value);
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}
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}
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[PropertyMetadata("默认值")]
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public string Test
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{
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@ -28,6 +68,7 @@ namespace ConsoleApp1
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public MainModel()
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{
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Test1 = new data();
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Items = new Collection<(string, string)>();
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TestItems = new Collection<(string, int)>();
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@ -188,6 +188,7 @@ namespace ConsoleApp1
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{
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MarginTop = 0,
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Content = "点击生成pdf",
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[nameof(Button.Content)]= new Obx<MainModel>(a => a.Test1.test.test.test.test.Name),
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Commands =
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{
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{
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@ -235,7 +236,7 @@ namespace ConsoleApp1
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Content="另外一个演示窗体😍",
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MarginTop=20,
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MarginLeft=20,
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[nameof(Button.Click)]=(BindingDescribe)((s,e)=>
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[nameof(Button.Click)]=new CommandDescribe((s,e)=>
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{
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var w = new Window1();
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w.DataContext = model;
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@ -1386,7 +1387,8 @@ namespace ConsoleApp1
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MarginTop = 76,
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Height = 23,
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Width = 219,
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[nameof(Slider.Value)]=new BindingDescribe(null, nameof(MainModel.ColumnWidth),BindingMode.OneWayToSource,null,a=>new GridLength((float)(double)a))
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//[nameof(Slider.Value)]= new Obx<MainModel>(a => a.Type.Name),
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[nameof(Slider.Value)]= new BindingDescribe(null, nameof(MainModel.ColumnWidth),BindingMode.OneWayToSource,null,a=>new GridLength((float)(double)a))
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},
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}
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}
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@ -2419,10 +2421,10 @@ new TabItemTemplate{
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},
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new TabItemTemplate
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{
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Header="布局",
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Header="多级绑定",
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Content=new Panel
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{
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Name = "布局",
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Name = "多级绑定",
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PresenterFor = this,
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Width="100%",
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Height="100%",
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@ -2435,306 +2437,32 @@ new TabItemTemplate{
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Orientation= Orientation.Vertical,
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Children=
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{
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new Button
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new TextBlock
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{
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Content="StackPanel的Vertical"
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},
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new Button
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{
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Content="按钮"
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},
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new Button
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{
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Content="按钮"
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},
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new Button
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{
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Content="按钮"
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},
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}
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},
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new StackPanel
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{
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BorderStroke = "5,Solid",
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BorderFill = "#B4B4B4",
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MarginLeft=80,
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MarginTop=50,
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Orientation= Orientation.Horizontal,
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Children=
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{
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new Button
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{
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Content="StackPanel的Horizontal"
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},
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new Button
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{
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Content="按钮"
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},
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new Button
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{
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Content="Margin调间距",
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MarginLeft=5
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},
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new Button
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{
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Content="按钮"
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},
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}
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},
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new WrapPanel
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{
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MarginRight=10,
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MarginTop=10,
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Width="50%",
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Orientation= Orientation.Horizontal,
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Children=
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{
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new Button
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{
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Content="WrapPanel的Horizontal"
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},
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new Button
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{
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Content="按钮"
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},
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new Button
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{
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Content="Margin调间距",
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MarginLeft=5
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},
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new Button
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{
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Content="按钮"
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},
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new Button
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{
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Content="宽度不够"
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},
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new Button
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{
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Content="可以自动换行"
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},
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}
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},
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new Grid
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{
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RenderTransform=new RotateTransform(10),
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Name="testGrid",
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Background="#999",
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Width="80%",
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Height="60%",
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MarginTop=120,
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MarginLeft=20,
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ColumnDefinitions=
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{
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new ColumnDefinition
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{
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Width="40*"
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},
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new ColumnDefinition
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{
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Width = "30*"
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},
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new ColumnDefinition
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{
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Width="200",
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[nameof(ColumnDefinition.Width)]=nameof(MainModel.ColumnWidth)
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},
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},
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RowDefinitions=
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{
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new RowDefinition
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{
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Height="30*"
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},
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new RowDefinition
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{
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Height="30*"
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},
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new RowDefinition
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{
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Height="30*"
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}
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},
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Children=
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{
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new WrapPanel
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{
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Name="test",
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Background="#a2f",
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Width="100%",
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Height="100%",
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Children=
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{
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new Button
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{
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Content="水平浮动布局231"
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},
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new Button
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{
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Content="按钮2"
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},
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new Button
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{
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Content="按钮3"
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},
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new Button
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{
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Content="按钮4"
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},
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new Button
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{
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Content="按钮5"
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},
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}
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},
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{
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new WrapPanel
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{
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Orientation= Orientation.Vertical,
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Background="#27a",
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Width="100%",
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Height="100%",
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Children=
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{
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new Button
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{
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Content="垂直浮动布局"
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},
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new Button
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{
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Content="按钮2"
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},
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new Button
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{
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Content="按钮3"
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},
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new Button
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{
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Content="按钮4"
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},
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new Button
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{
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Content="按钮5"
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},
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}
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},
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1,
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1
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},
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{
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new TextBlock
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{
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Background="#ac2",
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Width="100%",
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Height="100%",
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Text="Grid布局。。。"
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},
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2,
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1
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},
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{
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new Panel
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{
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Background="#b1a",
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MarginLeft=0,
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MarginRight=0,
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Children=
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{
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new Button
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{
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Content="跨列",
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Width="50%"
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}
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}
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},
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0,
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2,
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2
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},
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{
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new TextBlock
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{
|
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Background="#186",
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Height="100%",
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Text="跨行"
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},
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2,
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1,
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1,
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2
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[nameof(TextBlock.Text)]= new Obx<MainModel>(a => a.Test1.test.test.test.test.Name,
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BindingMode.OneWay),
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Name = "hmbb"
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},
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new TextBox
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{
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MarginLeft=10,
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Size=SizeField.Fill,
|
||||
Text="元素变换，可以旋转，倾斜，缩放等操作",
|
||||
Attacheds=
|
||||
{
|
||||
{
|
||||
Grid.ColumnIndex,
|
||||
1
|
||||
}
|
||||
}
|
||||
Width = 130,
|
||||
Height= 60,
|
||||
Background =Color.Gray,
|
||||
[nameof(TextBox.Text)]= new Obx<MainModel>(a => a.Test1.test.test.test.test.Name,
|
||||
BindingMode.OneWayToSource),
|
||||
},
|
||||
new Button
|
||||
{
|
||||
Content=new SVG("res://ConsoleApp1/test.svg")
|
||||
Content="按钮",
|
||||
[nameof(Button.Click)]=new CommandDescribe((s,e)=>
|
||||
{
|
||||
MarginLeft = 0,
|
||||
MarginTop = 0,
|
||||
Height = 85,
|
||||
Width=170,
|
||||
Stretch= Stretch.Uniform,
|
||||
},
|
||||
Width=104,
|
||||
Height=55,
|
||||
MarginLeft=60,
|
||||
MarginTop=120,
|
||||
Commands=
|
||||
{
|
||||
{
|
||||
nameof(Button.Click),
|
||||
(s,e)=> Animation((Button)s)
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
},
|
||||
new DockPanel
|
||||
{
|
||||
LastChildFill = false,
|
||||
Width=200,
|
||||
Height=200,
|
||||
MarginRight=0,
|
||||
MarginTop=50,
|
||||
Background="#f00",
|
||||
Children =
|
||||
{
|
||||
new Button
|
||||
{
|
||||
Content="Right",
|
||||
Height="100%",
|
||||
Attacheds =
|
||||
{
|
||||
{
|
||||
DockPanel.Dock,
|
||||
Dock.Right
|
||||
}
|
||||
}
|
||||
(DataContext as MainModel).Test1.test.test.test.test.Name = "666666";
|
||||
})
|
||||
},
|
||||
}
|
||||
},
|
||||
new Slider
|
||||
{
|
||||
Maximum = 300,
|
||||
Value = 200,
|
||||
MarginLeft = 252,
|
||||
MarginTop = 76,
|
||||
Height = 23,
|
||||
Width = 219,
|
||||
[nameof(Slider.Value)]=new BindingDescribe(null, nameof(MainModel.ColumnWidth),BindingMode.OneWayToSource,null,a=>new GridLength((float)(double)a))
|
||||
},
|
||||
|
||||
}
|
||||
}
|
||||
},
|
||||
|
||||
Loading…
Reference in New Issue
Block a user