C# 跨进程通信
2021-04-01 20:24
标签：rom hwnd 信息 insert ali hook char let event 跨进程间通信 还有一个PostMessage方法，和SendMessage类似。 在winform中，不同进程间窗口通信 在WPF中，如何在俩个不同进程的窗口之间通信. 传递具体的数据，可参考：http://www.360doc.com/content/18/0131/15/45112790_726705014.shtml C# 跨进程通信 标签：rom hwnd 信息 insert ali hook char let event 原文地址：https://www.cnblogs.com/kybs0/p/9234601.html发送方
1 public const int WM_InsertChart_Completed = 0x00AA;
2
3 //查找窗口
4 [DllImport("User32.dll", EntryPoint = "FindWindow")]
5 public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
6
7 //发送信息
8 [DllImport("User32.dll", EntryPoint = "SendMessage")]
9 public static extern int SendMessage(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam);
10
11 private void PostMessage()
12 {
13 var procs = Process.GetProcessesByName("MyExample");
14
15 foreach (var process in procs)
16 {
17 SendMessage(process.MainWindowHandle, WM_InsertChart_Completed, IntPtr.Zero, IntPtr.Zero);
18 }
19 }
接收方
1 protected override void DefWndProc(ref Message m)
2 {
3 ......
4 }
1 protected override void OnSourceInitialized(EventArgs e)
2 {
3 base.OnSourceInitialized(e);
4 var hwndSource = PresentationSource.FromVisual(this) as HwndSource;
5 hwndSource?.AddHook(new HwndSourceHook(WndProc));
6 }
7 public const int WM_InsertChart_Completed = 0x00AA;
8 public static IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
9 {
10 if (msg == WM_InsertChart_Completed )
11 {
12 .............
13 }
14
15 return hwnd;
16 }