From d33955c46a42f19beac6c992f19d2b9cf7a361e6 Mon Sep 17 00:00:00 2001
From: v-leafshi <v-leafshi@microsoft.com>
Date: Tue, 17 Mar 2026 16:07:26 +0800
Subject: [PATCH] Fixes issue 14400: Pasting controls via
 CommandSet.OnMenuPaste stopped working when hosting the WinForms designer

---
 .../src/System/Windows/Forms/Design/CommandSet.cs                | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/System.Windows.Forms.Design/src/System/Windows/Forms/Design/CommandSet.cs b/src/System.Windows.Forms.Design/src/System/Windows/Forms/Design/CommandSet.cs
index 32534a9be54..bbc53b37f12 100644
--- a/src/System.Windows.Forms.Design/src/System/Windows/Forms/Design/CommandSet.cs
+++ b/src/System.Windows.Forms.Design/src/System/Windows/Forms/Design/CommandSet.cs
@@ -1916,6 +1916,7 @@ protected void OnMenuPaste(object? sender, EventArgs e)
                         if (tree is IOleDragClient oleDragClient)
                         {
                             designer = oleDragClient;
+                            dragClient = true;
                             break;
                         }