/// <summary>
/// 跨进程,向指定窗口发送WM_COPYDATA消息
/// </summary>
/// <param name="lpWindowName">窗口标题</param>
/// <param name="flag">区分标记</param>
/// <param name="data">要发送的字符串数据</param>
public static void SendCopyData(string lpWindowName, int flag, string data)
{
IntPtr hWnd = UnsafeNativeMethods.FindWindow(null, lpWindowName);
if (hWnd == IntPtr.Zero)
{
return;
}
byte[] arr = Encoding.UTF8.GetBytes(data);
NativeMethods.COPYDATASTRUCT cds = new NativeMethods.COPYDATASTRUCT();
cds.dwData = flag;
cds.cbData = arr.Length + 1;
cds.lpData = data;
UnsafeNativeMethods.SendMessage(hWnd, NativeMethods.WM_COPYDATA, IntPtr.Zero, ref cds);
}
