private void button1_Click(object sender, EventArgs e)
{
if (string.IsNullOrWhiteSpace(textBox1.Text))
{
MessageBox.Show("请输入要发送的内容");
return;
}
IntPtr sendFormHandle = Win32Api.FindWindow(null, "WinProDemoB");
if (sendFormHandle == IntPtr.Zero)
{
MessageBox.Show("没有找到WinProDemoB窗体！");
return;
}
MyModel model = new MyModel();
model.DataHandle = this.Handle;
model.CbData = Encoding.Default.GetBytes(textBox1.Text).Length + 1;
model.LpData = textBox1.Text;
Win32Api.SendMessage(sendFormHandle, Win32Api.WM_COPYDATA, 0, ref model);
}
public static extern int SendMessage(
IntPtr hWnd,
uint Msg,
uint wParam,
ref MyModel lParam);