public static bool SendData(string appName, string data)
{
Logger.LogTrace("WmCopyDataSender.SendData to {0}: {1}", appName, data);
string wndName = appName.Replace(".", "_").Replace(" ", "").Trim().ToUpperInvariant()
+"_WMCOPYDATA";
IntPtr hWnd = User32.FindWindow(null, wndName);
if (hWnd == IntPtr.Zero)
{
Logger.LogTrace("WmCopyDataSender.SendData to {0}: {1} ... window not found: {2}", appName, data, wndName);
return false;
}
byte[] sb = Encoding.Unicode.GetBytes(data);
COPYDATASTRUCT cds = new COPYDATASTRUCT();
cds.dwData = UIntPtr.Zero;
cds.lpData = Marshal.StringToHGlobalUni(data);
cds.cbData = (uint)Kernel32.GlobalSize(cds.lpData);
//IntPtr lpStruct = Marshal.AllocHGlobal(Marshal.SizeOf(cds));
//Marshal.StructureToPtr(cds, lpStruct, false);
IntPtr ret = IntPtr.Zero;
User32.SendMessageTimeout(hWnd, (int)Messages.WM_COPYDATA, IntPtr.Zero, ref cds,
SendMessageTimeoutFlags.SMTO_ABORTIFHUNG, 200, out ret);
if (ret.ToInt32() != 1)
return false;
return true;
}
public static extern IntPtr SendMessageTimeout(
IntPtr windowHandle,
int Msg,
IntPtr wParam,
ref COPYDATASTRUCT cds,
SendMessageTimeoutFlags flags,
int timeout,
out IntPtr result);
public static extern int SendMessage(IntPtr hwnd, int msg, Int32 hwndFrom, ref COPYDATASTRUCT cds);
public static int SendMessage(IntPtr hwnd, int msg, Int32 hwndFrom, ref COPYDATASTRUCT cds)
{
return -1;
}