求QT给C#发消息的方法?
再QT中,这样写的
HWND hwnd = FindWindow(NULL,L"Form1");
SendMessage(hwnd,WM_USER, NULL, (LPARAM)"msg");
C#代码
protected override void DefWndProc(ref System.Windows.Forms.Message m)
{
switch (m.Msg)
{
//接收CopyData消息,读取发送过来的数据
case WM_USER:
System.Windows.Forms.MessageBox.Show("strData", "Test");
break;
default:
base.DefWndProc(ref m);
break;
}
}
为啥收不到QT发过来的消息呢,QT查找C#标题的名字也找不到,求大神啊