diff --git a/CPF.Windows/UnmanagedMethods.cs b/CPF.Windows/UnmanagedMethods.cs
index a087b14..22d53eb 100644
--- a/CPF.Windows/UnmanagedMethods.cs
+++ b/CPF.Windows/UnmanagedMethods.cs
@@ -1154,6 +1154,8 @@ BLENDFUNCTION blendFunction // alpha-blending function
         [DllImport("user32.dll")]
         public static extern bool SetFocus(IntPtr hWnd);
         [DllImport("user32.dll")]
+        public static extern IntPtr GetFocus();
+        [DllImport("user32.dll")]
         public static extern bool SetParent(IntPtr hWnd, IntPtr hWndNewParent);
         [DllImport("user32.dll")]
         public static extern bool ShowWindow(IntPtr hWnd, ShowWindowCommand nCmdShow);
diff --git a/CPF.Windows/WindowImpl.cs b/CPF.Windows/WindowImpl.cs
index eeb31fe..2ba29b1 100644
--- a/CPF.Windows/WindowImpl.cs
+++ b/CPF.Windows/WindowImpl.cs
@@ -1505,6 +1505,10 @@ namespace CPF.Windows
 
         public void SetIMEPosition(Point point)
         {
+            if (canActivate && GetFocus() != handle)
+            {
+                SetFocus(handle);
+            }
             COMPOSITIONFORM cf = new COMPOSITIONFORM();
             cf.dwStyle = 2;
             cf.ptCurrentPos = new POINT((int)(point.X * scaling), (int)(point.Y * scaling));