2023-0404

消息发送方

一、引入系统方法SendMessage

private const int WM_COPYDATA = 0x004A;//这个不要随意更改,否则可能造成读取数据报错
[DllImport("User32.dll", EntryPoint = "SendMessage")]
private static extern int SendMessage(IntPtr hWnd, int msg, int wParam, ref COPYDATASTRUCT lParam);


二、声明数据传输结构体

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标签: SendMessage PostMessage C#进程间通信 阅读:1036