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Add net5.0-windows build on x86 apps for now.

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This commit is contained in:
Eugene Wang 2021-02-02 12:03:48 -05:00
parent 2e3f7422df
commit 06eb14545b
10 changed files with 2010 additions and 4 deletions
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30
NTwain.sln
View File

@ -24,6 +24,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Sample.Console", "samples\S
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tests", "tests", "{B77C17FE-FD84-4FF4-9A1C-D49DB1749C9C}"
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Sample.Net5Console", "samples\Sample.Net5Console\Sample.Net5Console.csproj", "{DDEA155C-68E9-4B42-8390-01B060DB25DB}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Sample.Net5Winform", "samples\Sample.Net5Winform\Sample.Net5Winform.csproj", "{5DA59B03-A286-4BC4-9F85-CDE893BB6C6F}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
@ -83,6 +87,30 @@ Global
{12D761EF-68DF-41CE-92EF-0C7AE81857A3}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
{12D761EF-68DF-41CE-92EF-0C7AE81857A3}.Release|Mixed Platforms.Build.0 = Release|Any CPU
{12D761EF-68DF-41CE-92EF-0C7AE81857A3}.Release|x86.ActiveCfg = Release|Any CPU
{DDEA155C-68E9-4B42-8390-01B060DB25DB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{DDEA155C-68E9-4B42-8390-01B060DB25DB}.Debug|Any CPU.Build.0 = Debug|Any CPU
{DDEA155C-68E9-4B42-8390-01B060DB25DB}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
{DDEA155C-68E9-4B42-8390-01B060DB25DB}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
{DDEA155C-68E9-4B42-8390-01B060DB25DB}.Debug|x86.ActiveCfg = Debug|Any CPU
{DDEA155C-68E9-4B42-8390-01B060DB25DB}.Debug|x86.Build.0 = Debug|Any CPU
{DDEA155C-68E9-4B42-8390-01B060DB25DB}.Release|Any CPU.ActiveCfg = Release|Any CPU
{DDEA155C-68E9-4B42-8390-01B060DB25DB}.Release|Any CPU.Build.0 = Release|Any CPU
{DDEA155C-68E9-4B42-8390-01B060DB25DB}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
{DDEA155C-68E9-4B42-8390-01B060DB25DB}.Release|Mixed Platforms.Build.0 = Release|Any CPU
{DDEA155C-68E9-4B42-8390-01B060DB25DB}.Release|x86.ActiveCfg = Release|Any CPU
{DDEA155C-68E9-4B42-8390-01B060DB25DB}.Release|x86.Build.0 = Release|Any CPU
{5DA59B03-A286-4BC4-9F85-CDE893BB6C6F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{5DA59B03-A286-4BC4-9F85-CDE893BB6C6F}.Debug|Any CPU.Build.0 = Debug|Any CPU
{5DA59B03-A286-4BC4-9F85-CDE893BB6C6F}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
{5DA59B03-A286-4BC4-9F85-CDE893BB6C6F}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
{5DA59B03-A286-4BC4-9F85-CDE893BB6C6F}.Debug|x86.ActiveCfg = Debug|Any CPU
{5DA59B03-A286-4BC4-9F85-CDE893BB6C6F}.Debug|x86.Build.0 = Debug|Any CPU
{5DA59B03-A286-4BC4-9F85-CDE893BB6C6F}.Release|Any CPU.ActiveCfg = Release|Any CPU
{5DA59B03-A286-4BC4-9F85-CDE893BB6C6F}.Release|Any CPU.Build.0 = Release|Any CPU
{5DA59B03-A286-4BC4-9F85-CDE893BB6C6F}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
{5DA59B03-A286-4BC4-9F85-CDE893BB6C6F}.Release|Mixed Platforms.Build.0 = Release|Any CPU
{5DA59B03-A286-4BC4-9F85-CDE893BB6C6F}.Release|x86.ActiveCfg = Release|Any CPU
{5DA59B03-A286-4BC4-9F85-CDE893BB6C6F}.Release|x86.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
@ -92,6 +120,8 @@ Global
{4FC243F1-318E-4FA9-9EBD-2CA3A8F35425} = {2F906640-1664-4960-93D2-A054AC6E66A3}
{1715C2B7-5C35-4F8B-9D9B-8D68A3D5284D} = {2F906640-1664-4960-93D2-A054AC6E66A3}
{12D761EF-68DF-41CE-92EF-0C7AE81857A3} = {2F906640-1664-4960-93D2-A054AC6E66A3}
{DDEA155C-68E9-4B42-8390-01B060DB25DB} = {2F906640-1664-4960-93D2-A054AC6E66A3}
{5DA59B03-A286-4BC4-9F85-CDE893BB6C6F} = {2F906640-1664-4960-93D2-A054AC6E66A3}
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {A823206C-F8D5-491B-8B01-B9A5884FAEA1}

107
samples/Sample.Net5Console/Program.cs Normal file
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@ -0,0 +1,107 @@
using NTwain;
using NTwain.Data;
using System;
using System.Linq;
using System.Reflection;
using System.Threading;
namespace Sample.Net5Console
{
class Program
{
static void Main(string[] args)
{
if (PlatformInfo.Current.IsApp64Bit)
{
Console.WriteLine("[64bit]");
}
else
{
Console.WriteLine("[32bit]");
}
// just an amusing example to do twain in console without UI
ThreadPool.QueueUserWorkItem(o =>
{
try
{
DoTwainWork();
}
catch (Exception ex)
{
Console.WriteLine("ERROR: " + ex.ToString());
}
});
Console.WriteLine("Test started, press Enter to exit.");
Console.ReadLine();
}
static readonly TwainSession twain = InitTwain();
private static TwainSession InitTwain()
{
var twain = new TwainSession(TWIdentity.CreateFromAssembly(DataGroups.Image, Assembly.GetExecutingAssembly()));
twain.TransferReady += (s, e) =>
{
Console.WriteLine("Got xfer ready on thread {0}.", Thread.CurrentThread.ManagedThreadId);
};
twain.DataTransferred += (s, e) =>
{
if (e.NativeData != IntPtr.Zero)
{
Console.WriteLine("SUCCESS! Got twain data on thread {0}.", Thread.CurrentThread.ManagedThreadId);
}
else
{
Console.WriteLine("BUMMER! No twain data on thread {0}.", Thread.CurrentThread.ManagedThreadId);
}
};
twain.SourceDisabled += (s, e) =>
{
Console.WriteLine("Source disabled on thread {0}.", Thread.CurrentThread.ManagedThreadId);
var rc = twain.CurrentSource.Close();
rc = twain.Close();
};
return twain;
}
const string SAMPLE_SOURCE = "TWAIN2 FreeImage Software Scanner";
static void DoTwainWork()
{
Console.WriteLine("Getting ready to do twain stuff on thread {0}...", Thread.CurrentThread.ManagedThreadId);
Thread.Sleep(1000);
var rc = twain.Open();
if (rc == ReturnCode.Success)
{
var hit = twain.FirstOrDefault(s => string.Equals(s.Name, SAMPLE_SOURCE));
if (hit == null)
{
Console.WriteLine("The sample source \"" + SAMPLE_SOURCE + "\" is not installed.");
twain.Close();
}
else
{
rc = hit.Open();
if (rc == ReturnCode.Success)
{
Console.WriteLine("Starting capture from the sample source...");
rc = hit.Enable(SourceEnableMode.NoUI, false, IntPtr.Zero);
}
else
{
twain.Close();
}
}
}
else
{
Console.WriteLine("Failed to open dsm with rc={0}!", rc);
}
}
}
}

13
samples/Sample.Net5Console/Sample.Net5Console.csproj Normal file
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@ -0,0 +1,13 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net5.0-windows</TargetFramework>
<PlatformTarget>x86</PlatformTarget>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\..\src\NTwain\NTwain.csproj" />
</ItemGroup>
</Project>

23
samples/Sample.Net5Winform/Program.cs Normal file
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@ -0,0 +1,23 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace Sample.Net5Winform
{
static class Program
{
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.SetHighDpiMode(HighDpiMode.SystemAware);
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new TestForm());
}
}
}

15
samples/Sample.Net5Winform/Sample.Net5Winform.csproj Normal file
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@ -0,0 +1,15 @@
<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
<PropertyGroup>
<OutputType>WinExe</OutputType>
<TargetFramework>net5.0-windows</TargetFramework>
<UseWindowsForms>true</UseWindowsForms>
<ApplicationIcon>scanner.ico</ApplicationIcon>
<PlatformTarget>x86</PlatformTarget>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\..\src\NTwain\NTwain.csproj" />
</ItemGroup>
</Project>

342
samples/Sample.Net5Winform/TestForm.Designer.cs generated Normal file
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@ -0,0 +1,342 @@

namespace Sample.Net5Winform
{
partial class TestForm
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(TestForm));
this.pictureBox1 = new System.Windows.Forms.PictureBox();
this.saveFileDialog1 = new System.Windows.Forms.SaveFileDialog();
this.toolStrip1 = new System.Windows.Forms.ToolStrip();
this.btnSources = new System.Windows.Forms.ToolStripDropDownButton();
this.sepSourceList = new System.Windows.Forms.ToolStripSeparator();
this.reloadSourcesListToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
this.btnStartCapture = new System.Windows.Forms.ToolStripButton();
this.btnStopScan = new System.Windows.Forms.ToolStripButton();
this.btnSaveImage = new System.Windows.Forms.ToolStripButton();
this.panelOptions = new System.Windows.Forms.TableLayoutPanel();
this.groupDuplex = new System.Windows.Forms.GroupBox();
this.ckDuplex = new System.Windows.Forms.CheckBox();
this.groupSize = new System.Windows.Forms.GroupBox();
this.comboSize = new System.Windows.Forms.ComboBox();
this.groupDepth = new System.Windows.Forms.GroupBox();
this.comboDepth = new System.Windows.Forms.ComboBox();
this.groupDPI = new System.Windows.Forms.GroupBox();
this.comboDPI = new System.Windows.Forms.ComboBox();
this.btnAllSettings = new System.Windows.Forms.Button();
((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit();
this.toolStrip1.SuspendLayout();
this.panelOptions.SuspendLayout();
this.groupDuplex.SuspendLayout();
this.groupSize.SuspendLayout();
this.groupDepth.SuspendLayout();
this.groupDPI.SuspendLayout();
this.SuspendLayout();
//
// pictureBox1
//
this.pictureBox1.Dock = System.Windows.Forms.DockStyle.Fill;
this.pictureBox1.Location = new System.Drawing.Point(259, 25);
this.pictureBox1.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
this.pictureBox1.Name = "pictureBox1";
this.pictureBox1.Size = new System.Drawing.Size(677, 500);
this.pictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.Zoom;
this.pictureBox1.TabIndex = 1;
this.pictureBox1.TabStop = false;
//
// saveFileDialog1
//
this.saveFileDialog1.FileName = "Test";
this.saveFileDialog1.Filter = "png files|*.png";
this.saveFileDialog1.Title = "Save Image";
//
// toolStrip1
//
this.toolStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.btnSources,
this.btnStartCapture,
this.btnStopScan,
this.btnSaveImage});
this.toolStrip1.Location = new System.Drawing.Point(0, 0);
this.toolStrip1.Name = "toolStrip1";
this.toolStrip1.Size = new System.Drawing.Size(936, 25);
this.toolStrip1.TabIndex = 2;
this.toolStrip1.Text = "toolStrip1";
//
// btnSources
//
this.btnSources.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.btnSources.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.sepSourceList,
this.reloadSourcesListToolStripMenuItem});
this.btnSources.Image = ((System.Drawing.Image)(resources.GetObject("btnSources.Image")));
this.btnSources.ImageTransparentColor = System.Drawing.Color.Magenta;
this.btnSources.Name = "btnSources";
this.btnSources.Size = new System.Drawing.Size(94, 22);
this.btnSources.Text = "Select &sources";
this.btnSources.DropDownOpening += new System.EventHandler(this.btnSources_DropDownOpening);
//
// sepSourceList
//
this.sepSourceList.Name = "sepSourceList";
this.sepSourceList.Size = new System.Drawing.Size(168, 6);
//
// reloadSourcesListToolStripMenuItem
//
this.reloadSourcesListToolStripMenuItem.Name = "reloadSourcesListToolStripMenuItem";
this.reloadSourcesListToolStripMenuItem.Size = new System.Drawing.Size(171, 22);
this.reloadSourcesListToolStripMenuItem.Text = "&Reload sources list";
this.reloadSourcesListToolStripMenuItem.Click += new System.EventHandler(this.reloadSourcesListToolStripMenuItem_Click);
//
// btnStartCapture
//
this.btnStartCapture.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.btnStartCapture.Enabled = false;
this.btnStartCapture.Image = ((System.Drawing.Image)(resources.GetObject("btnStartCapture.Image")));
this.btnStartCapture.ImageTransparentColor = System.Drawing.Color.Magenta;
this.btnStartCapture.Name = "btnStartCapture";
this.btnStartCapture.Size = new System.Drawing.Size(62, 22);
this.btnStartCapture.Text = "S&tart scan";
this.btnStartCapture.Click += new System.EventHandler(this.btnStartCapture_Click);
//
// btnStopScan
//
this.btnStopScan.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.btnStopScan.Enabled = false;
this.btnStopScan.Image = ((System.Drawing.Image)(resources.GetObject("btnStopScan.Image")));
this.btnStopScan.ImageTransparentColor = System.Drawing.Color.Magenta;
this.btnStopScan.Name = "btnStopScan";
this.btnStopScan.Size = new System.Drawing.Size(62, 22);
this.btnStopScan.Text = "Sto&p scan";
this.btnStopScan.Click += new System.EventHandler(this.btnStopScan_Click);
//
// btnSaveImage
//
this.btnSaveImage.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text;
this.btnSaveImage.Image = ((System.Drawing.Image)(resources.GetObject("btnSaveImage.Image")));
this.btnSaveImage.ImageTransparentColor = System.Drawing.Color.Magenta;
this.btnSaveImage.Name = "btnSaveImage";
this.btnSaveImage.Size = new System.Drawing.Size(71, 22);
this.btnSaveImage.Text = "S&ave image";
this.btnSaveImage.Click += new System.EventHandler(this.btnSaveImage_Click);
//
// panelOptions
//
this.panelOptions.AutoScroll = true;
this.panelOptions.ColumnCount = 1;
this.panelOptions.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 100F));
this.panelOptions.Controls.Add(this.groupDuplex, 0, 3);
this.panelOptions.Controls.Add(this.groupSize, 0, 2);
this.panelOptions.Controls.Add(this.groupDepth, 0, 1);
this.panelOptions.Controls.Add(this.groupDPI, 0, 0);
this.panelOptions.Controls.Add(this.btnAllSettings, 0, 6);
this.panelOptions.Dock = System.Windows.Forms.DockStyle.Left;
this.panelOptions.Location = new System.Drawing.Point(0, 25);
this.panelOptions.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
this.panelOptions.Name = "panelOptions";
this.panelOptions.RowCount = 7;
this.panelOptions.RowStyles.Add(new System.Windows.Forms.RowStyle());
this.panelOptions.RowStyles.Add(new System.Windows.Forms.RowStyle());
this.panelOptions.RowStyles.Add(new System.Windows.Forms.RowStyle());
this.panelOptions.RowStyles.Add(new System.Windows.Forms.RowStyle());
this.panelOptions.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 23F));
this.panelOptions.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 23F));
this.panelOptions.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 23F));
this.panelOptions.Size = new System.Drawing.Size(259, 500);
this.panelOptions.TabIndex = 3;
//
// groupDuplex
//
this.groupDuplex.Controls.Add(this.ckDuplex);
this.groupDuplex.Dock = System.Windows.Forms.DockStyle.Top;
this.groupDuplex.Enabled = false;
this.groupDuplex.Location = new System.Drawing.Point(9, 231);
this.groupDuplex.Margin = new System.Windows.Forms.Padding(9, 9, 9, 9);
this.groupDuplex.Name = "groupDuplex";
this.groupDuplex.Padding = new System.Windows.Forms.Padding(4, 3, 4, 3);
this.groupDuplex.Size = new System.Drawing.Size(241, 67);
this.groupDuplex.TabIndex = 6;
this.groupDuplex.TabStop = false;
this.groupDuplex.Text = "Duplex";
//
// ckDuplex
//
this.ckDuplex.AutoSize = true;
this.ckDuplex.Location = new System.Drawing.Point(21, 28);
this.ckDuplex.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
this.ckDuplex.Name = "ckDuplex";
this.ckDuplex.Size = new System.Drawing.Size(68, 19);
this.ckDuplex.TabIndex = 0;
this.ckDuplex.Text = "Enabled";
this.ckDuplex.UseVisualStyleBackColor = true;
this.ckDuplex.CheckedChanged += new System.EventHandler(this.ckDuplex_CheckedChanged);
//
// groupSize
//
this.groupSize.Controls.Add(this.comboSize);
this.groupSize.Dock = System.Windows.Forms.DockStyle.Top;
this.groupSize.Enabled = false;
this.groupSize.Location = new System.Drawing.Point(9, 157);
this.groupSize.Margin = new System.Windows.Forms.Padding(9, 9, 9, 3);
this.groupSize.Name = "groupSize";
this.groupSize.Padding = new System.Windows.Forms.Padding(4, 3, 4, 3);
this.groupSize.Size = new System.Drawing.Size(241, 62);
this.groupSize.TabIndex = 5;
this.groupSize.TabStop = false;
this.groupSize.Text = "Size";
//
// comboSize
//
this.comboSize.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.comboSize.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.comboSize.FormattingEnabled = true;
this.comboSize.Location = new System.Drawing.Point(21, 22);
this.comboSize.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
this.comboSize.Name = "comboSize";
this.comboSize.Size = new System.Drawing.Size(197, 23);
this.comboSize.TabIndex = 0;
this.comboSize.SelectedIndexChanged += new System.EventHandler(this.comboSize_SelectedIndexChanged);
//
// groupDepth
//
this.groupDepth.Controls.Add(this.comboDepth);
this.groupDepth.Dock = System.Windows.Forms.DockStyle.Top;
this.groupDepth.Enabled = false;
this.groupDepth.Location = new System.Drawing.Point(9, 83);
this.groupDepth.Margin = new System.Windows.Forms.Padding(9, 9, 9, 3);
this.groupDepth.Name = "groupDepth";
this.groupDepth.Padding = new System.Windows.Forms.Padding(4, 3, 4, 3);
this.groupDepth.Size = new System.Drawing.Size(241, 62);
this.groupDepth.TabIndex = 4;
this.groupDepth.TabStop = false;
this.groupDepth.Text = "Depth";
//
// comboDepth
//
this.comboDepth.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.comboDepth.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.comboDepth.FormattingEnabled = true;
this.comboDepth.Location = new System.Drawing.Point(21, 22);
this.comboDepth.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
this.comboDepth.Name = "comboDepth";
this.comboDepth.Size = new System.Drawing.Size(197, 23);
this.comboDepth.TabIndex = 0;
this.comboDepth.SelectedIndexChanged += new System.EventHandler(this.comboDepth_SelectedIndexChanged);
//
// groupDPI
//
this.groupDPI.Controls.Add(this.comboDPI);
this.groupDPI.Dock = System.Windows.Forms.DockStyle.Top;
this.groupDPI.Enabled = false;
this.groupDPI.Location = new System.Drawing.Point(9, 9);
this.groupDPI.Margin = new System.Windows.Forms.Padding(9, 9, 9, 3);
this.groupDPI.Name = "groupDPI";
this.groupDPI.Padding = new System.Windows.Forms.Padding(4, 3, 4, 3);
this.groupDPI.Size = new System.Drawing.Size(241, 62);
this.groupDPI.TabIndex = 0;
this.groupDPI.TabStop = false;
this.groupDPI.Text = "DPI";
//
// comboDPI
//
this.comboDPI.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.comboDPI.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.comboDPI.FormattingEnabled = true;
this.comboDPI.Location = new System.Drawing.Point(21, 22);
this.comboDPI.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
this.comboDPI.Name = "comboDPI";
this.comboDPI.Size = new System.Drawing.Size(197, 23);
this.comboDPI.TabIndex = 0;
this.comboDPI.SelectedIndexChanged += new System.EventHandler(this.comboDPI_SelectedIndexChanged);
//
// btnAllSettings
//
this.btnAllSettings.Anchor = System.Windows.Forms.AnchorStyles.Top;
this.btnAllSettings.Enabled = false;
this.btnAllSettings.Location = new System.Drawing.Point(40, 356);
this.btnAllSettings.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
this.btnAllSettings.Name = "btnAllSettings";
this.btnAllSettings.Size = new System.Drawing.Size(178, 27);
this.btnAllSettings.TabIndex = 7;
this.btnAllSettings.Text = "Open driver settings";
this.btnAllSettings.UseVisualStyleBackColor = true;
this.btnAllSettings.Click += new System.EventHandler(this.btnAllSettings_Click);
//
// TestForm
//
this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(936, 525);
this.Controls.Add(this.pictureBox1);
this.Controls.Add(this.panelOptions);
this.Controls.Add(this.toolStrip1);
this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
this.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
this.Name = "TestForm";
this.Text = "Test Form";
((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit();
this.toolStrip1.ResumeLayout(false);
this.toolStrip1.PerformLayout();
this.panelOptions.ResumeLayout(false);
this.groupDuplex.ResumeLayout(false);
this.groupDuplex.PerformLayout();
this.groupSize.ResumeLayout(false);
this.groupDepth.ResumeLayout(false);
this.groupDPI.ResumeLayout(false);
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private System.Windows.Forms.PictureBox pictureBox1;
private System.Windows.Forms.SaveFileDialog saveFileDialog1;
private System.Windows.Forms.ToolStrip toolStrip1;
private System.Windows.Forms.ToolStripDropDownButton btnSources;
private System.Windows.Forms.ToolStripSeparator sepSourceList;
private System.Windows.Forms.ToolStripMenuItem reloadSourcesListToolStripMenuItem;
private System.Windows.Forms.TableLayoutPanel panelOptions;
private System.Windows.Forms.GroupBox groupDPI;
private System.Windows.Forms.GroupBox groupDepth;
private System.Windows.Forms.GroupBox groupSize;
private System.Windows.Forms.GroupBox groupDuplex;
private System.Windows.Forms.ComboBox comboDPI;
private System.Windows.Forms.ComboBox comboSize;
private System.Windows.Forms.ComboBox comboDepth;
private System.Windows.Forms.ToolStripButton btnStartCapture;
private System.Windows.Forms.ToolStripButton btnStopScan;
private System.Windows.Forms.ToolStripButton btnSaveImage;
private System.Windows.Forms.CheckBox ckDuplex;
private System.Windows.Forms.Button btnAllSettings;
}
}

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using NTwain;
using NTwain.Data;
using System;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Imaging;
using System.Linq;
using System.Reflection;
using System.Threading;
using System.Windows.Forms;
namespace Sample.Net5Winform
{
public partial class TestForm : Form
{
ImageCodecInfo _tiffCodecInfo;
TwainSession _twain;
bool _stopScan;
bool _loadingCaps;
#region setup & cleanup
public TestForm()
{
InitializeComponent();
if (NTwain.PlatformInfo.Current.IsApp64Bit)
{
Text = Text + " (64bit)";
}
else
{
Text = Text + " (32bit)";
}
foreach (var enc in ImageCodecInfo.GetImageEncoders())
{
if (enc.MimeType == "image/tiff") { _tiffCodecInfo = enc; break; }
}
}
protected override void OnHandleCreated(EventArgs e)
{
base.OnHandleCreated(e);
SetupTwain();
}
protected override void OnFormClosing(FormClosingEventArgs e)
{
if (_twain != null)
{
if (e.CloseReason == CloseReason.UserClosing && _twain.State > 4)
{
e.Cancel = true;
}
else
{
CleanupTwain();
}
}
base.OnFormClosing(e);
}
private void SetupTwain()
{
var appId = TWIdentity.CreateFromAssembly(DataGroups.Image, Assembly.GetEntryAssembly());
_twain = new TwainSession(appId);
_twain.StateChanged += (s, e) =>
{
PlatformInfo.Current.Log.Info("State changed to " + _twain.State + " on thread " + Thread.CurrentThread.ManagedThreadId);
};
_twain.TransferError += (s, e) =>
{
PlatformInfo.Current.Log.Info("Got xfer error on thread " + Thread.CurrentThread.ManagedThreadId);
};
_twain.DataTransferred += (s, e) =>
{
PlatformInfo.Current.Log.Info("Transferred data event on thread " + Thread.CurrentThread.ManagedThreadId);
// example on getting ext image info
var infos = e.GetExtImageInfo(ExtendedImageInfo.Camera).Where(it => it.ReturnCode == ReturnCode.Success);
foreach (var it in infos)
{
var values = it.ReadValues();
PlatformInfo.Current.Log.Info(string.Format("{0} = {1}", it.InfoID, values.FirstOrDefault()));
break;
}
// handle image data
Image img = null;
if (e.NativeData != IntPtr.Zero)
{
var stream = e.GetNativeImageStream();
if (stream != null)
{
img = Image.FromStream(stream);
}
}
else if (!string.IsNullOrEmpty(e.FileDataPath))
{
img = new Bitmap(e.FileDataPath);
}
if (img != null)
{
this.BeginInvoke(new Action(() =>
{
if (pictureBox1.Image != null)
{
pictureBox1.Image.Dispose();
pictureBox1.Image = null;
}
pictureBox1.Image = img;
}));
}
};
_twain.SourceDisabled += (s, e) =>
{
PlatformInfo.Current.Log.Info("Source disabled event on thread " + Thread.CurrentThread.ManagedThreadId);
this.BeginInvoke(new Action(() =>
{
btnStopScan.Enabled = false;
btnStartCapture.Enabled = true;
panelOptions.Enabled = true;
LoadSourceCaps();
}));
};
_twain.TransferReady += (s, e) =>
{
PlatformInfo.Current.Log.Info("Transferr ready event on thread " + Thread.CurrentThread.ManagedThreadId);
e.CancelAll = _stopScan;
};
// either set sync context and don't worry about threads during events,
// or don't and use control.invoke during the events yourself
PlatformInfo.Current.Log.Info("Setup thread = " + Thread.CurrentThread.ManagedThreadId);
_twain.SynchronizationContext = SynchronizationContext.Current;
if (_twain.State < 3)
{
// use this for internal msg loop
_twain.Open();
// use this to hook into current app loop
//_twain.Open(new WindowsFormsMessageLoopHook(this.Handle));
}
}
private void CleanupTwain()
{
if (_twain.State == 4)
{
_twain.CurrentSource.Close();
}
if (_twain.State == 3)
{
_twain.Close();
}
if (_twain.State > 2)
{
// normal close down didn't work, do hard kill
_twain.ForceStepDown(2);
}
}
#endregion
#region toolbar
private void btnSources_DropDownOpening(object sender, EventArgs e)
{
if (btnSources.DropDownItems.Count == 2)
{
ReloadSourceList();
}
}
private void reloadSourcesListToolStripMenuItem_Click(object sender, EventArgs e)
{
ReloadSourceList();
}
private void ReloadSourceList()
{
if (_twain.State >= 3)
{
while (btnSources.DropDownItems.IndexOf(sepSourceList) > 0)
{
var first = btnSources.DropDownItems[0];
first.Click -= SourceMenuItem_Click;
btnSources.DropDownItems.Remove(first);
}
foreach (var src in _twain)
{
var srcBtn = new ToolStripMenuItem(src.Name);
srcBtn.Tag = src;
srcBtn.Click += SourceMenuItem_Click;
srcBtn.Checked = _twain.CurrentSource != null && _twain.CurrentSource.Name == src.Name;
btnSources.DropDownItems.Insert(0, srcBtn);
}
}
}
void SourceMenuItem_Click(object sender, EventArgs e)
{
// do nothing if source is enabled
if (_twain.State > 4) { return; }
if (_twain.State == 4) { _twain.CurrentSource.Close(); }
foreach (var btn in btnSources.DropDownItems)
{
var srcBtn = btn as ToolStripMenuItem;
if (srcBtn != null) { srcBtn.Checked = false; }
}
var curBtn = (sender as ToolStripMenuItem);
var src = curBtn.Tag as DataSource;
if (src.Open() == ReturnCode.Success)
{
curBtn.Checked = true;
btnStartCapture.Enabled = true;
LoadSourceCaps();
}
}
private void btnStartCapture_Click(object sender, EventArgs e)
{
if (_twain.State == 4)
{
//_twain.CurrentSource.CapXferCount.Set(4);
_stopScan = false;
if (_twain.CurrentSource.Capabilities.CapUIControllable.IsSupported)//.SupportedCaps.Contains(CapabilityId.CapUIControllable))
{
// hide scanner ui if possible
if (_twain.CurrentSource.Enable(SourceEnableMode.NoUI, false, this.Handle) == ReturnCode.Success)
{
btnStopScan.Enabled = true;
btnStartCapture.Enabled = false;
panelOptions.Enabled = false;
}
}
else
{
if (_twain.CurrentSource.Enable(SourceEnableMode.ShowUI, true, this.Handle) == ReturnCode.Success)
{
btnStopScan.Enabled = true;
btnStartCapture.Enabled = false;
panelOptions.Enabled = false;
}
}
}
}
private void btnStopScan_Click(object sender, EventArgs e)
{
_stopScan = true;
}
private void btnSaveImage_Click(object sender, EventArgs e)
{
var img = pictureBox1.Image;
if (img != null)
{
switch (img.PixelFormat)
{
case PixelFormat.Format1bppIndexed:
saveFileDialog1.Filter = "tiff files|*.tif";
break;
default:
saveFileDialog1.Filter = "png files|*.png";
break;
}
if (saveFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
if (saveFileDialog1.FileName.EndsWith(".tif", StringComparison.OrdinalIgnoreCase))
{
EncoderParameters tiffParam = new EncoderParameters(1);
tiffParam.Param[0] = new EncoderParameter(Encoder.Compression, (long)EncoderValue.CompressionCCITT4);
pictureBox1.Image.Save(saveFileDialog1.FileName, _tiffCodecInfo, tiffParam);
}
else
{
pictureBox1.Image.Save(saveFileDialog1.FileName, ImageFormat.Png);
}
}
}
}
#endregion
#region cap control
private void LoadSourceCaps()
{
var src = _twain.CurrentSource;
_loadingCaps = true;
//var test = src.SupportedCaps;
if (groupDepth.Enabled = src.Capabilities.ICapPixelType.IsSupported)
{
LoadDepth(src.Capabilities.ICapPixelType);
}
if (groupDPI.Enabled = src.Capabilities.ICapXResolution.IsSupported && src.Capabilities.ICapYResolution.IsSupported)
{
LoadDPI(src.Capabilities.ICapXResolution);
}
// TODO: find out if this is how duplex works or also needs the other option
if (groupDuplex.Enabled = src.Capabilities.CapDuplexEnabled.IsSupported)
{
LoadDuplex(src.Capabilities.CapDuplexEnabled);
}
if (groupSize.Enabled = src.Capabilities.ICapSupportedSizes.IsSupported)
{
LoadPaperSize(src.Capabilities.ICapSupportedSizes);
}
btnAllSettings.Enabled = src.Capabilities.CapEnableDSUIOnly.IsSupported;
_loadingCaps = false;
}
private void LoadPaperSize(ICapWrapper<SupportedSize> cap)
{
var list = cap.GetValues().ToList();
comboSize.DataSource = list;
var cur = cap.GetCurrent();
if (list.Contains(cur))
{
comboSize.SelectedItem = cur;
}
var labelTest = cap.GetLabel();
if (!string.IsNullOrEmpty(labelTest))
{
groupSize.Text = labelTest;
}
}
private void LoadDuplex(ICapWrapper<BoolType> cap)
{
ckDuplex.Checked = cap.GetCurrent() == BoolType.True;
}
private void LoadDPI(ICapWrapper<TWFix32> cap)
{
// only allow dpi of certain values for those source that lists everything
var list = cap.GetValues().Where(dpi => (dpi % 50) == 0).ToList();
comboDPI.DataSource = list;
var cur = cap.GetCurrent();
if (list.Contains(cur))
{
comboDPI.SelectedItem = cur;
}
}
private void LoadDepth(ICapWrapper<PixelType> cap)
{
var list = cap.GetValues().ToList();
comboDepth.DataSource = list;
var cur = cap.GetCurrent();
if (list.Contains(cur))
{
comboDepth.SelectedItem = cur;
}
var labelTest = cap.GetLabel();
if (!string.IsNullOrEmpty(labelTest))
{
groupDepth.Text = labelTest;
}
}
private void comboSize_SelectedIndexChanged(object sender, EventArgs e)
{
if (!_loadingCaps && _twain.State == 4)
{
var sel = (SupportedSize)comboSize.SelectedItem;
_twain.CurrentSource.Capabilities.ICapSupportedSizes.SetValue(sel);
}
}
private void comboDepth_SelectedIndexChanged(object sender, EventArgs e)
{
if (!_loadingCaps && _twain.State == 4)
{
var sel = (PixelType)comboDepth.SelectedItem;
_twain.CurrentSource.Capabilities.ICapPixelType.SetValue(sel);
}
}
private void comboDPI_SelectedIndexChanged(object sender, EventArgs e)
{
if (!_loadingCaps && _twain.State == 4)
{
var sel = (TWFix32)comboDPI.SelectedItem;
_twain.CurrentSource.Capabilities.ICapXResolution.SetValue(sel);
_twain.CurrentSource.Capabilities.ICapYResolution.SetValue(sel);
}
}
private void ckDuplex_CheckedChanged(object sender, EventArgs e)
{
if (!_loadingCaps && _twain.State == 4)
{
_twain.CurrentSource.Capabilities.CapDuplexEnabled.SetValue(ckDuplex.Checked ? BoolType.True : BoolType.False);
}
}
private void btnAllSettings_Click(object sender, EventArgs e)
{
_twain.CurrentSource.Enable(SourceEnableMode.ShowUIOnly, true, this.Handle);
}
#endregion
}
}

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<PropertyGroup>
<PackageId>NTwain</PackageId>
<Description>Library containing the TWAIN API for dotnet.</Description>
<TargetFrameworks>net35;net40</TargetFrameworks>
<TargetFrameworks>net5.0-windows;net40;net35</TargetFrameworks>
<PackageProjectUrl>https://github.com/soukoku/ntwain</PackageProjectUrl>
<PackageTags>twain scan</PackageTags>
<PackageLicenseExpression>MIT</PackageLicenseExpression>
@ -29,15 +29,16 @@
<ItemGroup>
<PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
</ItemGroup>
<ItemGroup Condition="'$(TargetFramework)' == 'net5.0'">
</ItemGroup>
<PropertyGroup Condition="'$(TargetFramework)' == 'net5.0-windows'">
<UseWPF>true</UseWPF>
<UseWindowsForms>true</UseWindowsForms>
</PropertyGroup>
<ItemGroup Condition="'$(TargetFramework)' == 'net40'">
<Reference Include="PresentationCore" />
<Reference Include="PresentationFramework" />
<Reference Include="System" />
<Reference Include="System.Drawing" />
<Reference Include="System.Windows.Forms" />
<Reference Include="System.Xaml" />
<Reference Include="WindowsBase" />
</ItemGroup>
<ItemGroup Condition="'$(TargetFramework)' == 'net35'">