feat: 添加clipboard-event不同平台源代码

2025-12-24 19:49:35 +08:00 · 2022-09-20 00:00:11 +08:00
parent 19f6d1867d
commit 130d729af8
3 changed files with 106 additions and 0 deletions
--- a/public/node_modules/clipboard-event/platform/clipboard-event-handler-win32.cs
+++ b/public/node_modules/clipboard-event/platform/clipboard-event-handler-win32.cs
@@ -0,0 +1,44 @@
+using System;
+using System.Windows.Forms;
+using System.Runtime.InteropServices;
+
+namespace clipboard_event_handler_win32 {
+    internal static class NativeMethods {
+        //Reference https://docs.microsoft.com/en-us/windows/desktop/dataxchg/wm-clipboardupdate
+        public const int WM_CLIPBOARDUPDATE = 0x031D;
+        //Reference https://www.pinvoke.net/default.aspx/Constants.HWND
+        public static IntPtr HWND_MESSAGE = new IntPtr(-3);
+        //Reference https://www.pinvoke.net/default.aspx/user32/AddClipboardFormatListener.html
+        [DllImport("user32.dll", SetLastError = true)]
+        [return: MarshalAs(UnmanagedType.Bool)]
+        public static extern bool AddClipboardFormatListener(IntPtr hwnd);
+        //Reference https://www.pinvoke.net/default.aspx/user32.setparent
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern IntPtr SetParent(IntPtr hWndChild, IntPtr hWndNewParent);
+    }
+
+    public sealed class ClipboardNotification {
+        private class NotificationForm : Form {
+            public NotificationForm() {
+                //Turn the child window into a message-only window (refer to Microsoft docs)
+                NativeMethods.SetParent(Handle, NativeMethods.HWND_MESSAGE);
+                //Place window in the system-maintained clipboard format listener list
+                NativeMethods.AddClipboardFormatListener(Handle);
+            }
+
+            protected override void WndProc(ref Message m) {
+                //Listen for operating system messages
+                if (m.Msg == NativeMethods.WM_CLIPBOARDUPDATE)
+                {
+                    Console.WriteLine("CLIPBOARD_CHANGE");
+                }
+                //Called for any unhandled messages
+                base.WndProc(ref m);
+            }
+        }
+
+        private static void Main(string[] args) {
+            Application.Run(new NotificationForm());
+        }
+    }
+}