public static bool SendMessage(IntPtr handle, string args)
{
if (handle == IntPtr.Zero)
{
handle = FindWindow(null, MainFormName);
if (handle == IntPtr.Zero)
{
return(false);
}
}
WindowsMessageHelper.CopyDataStruct cds = new WindowsMessageHelper.CopyDataStruct();
try
{
cds.cbData = (args.Length + 1) * 2;
cds.lpData = WindowsMessageHelper.LocalAlloc(0x40, cds.cbData);
Marshal.Copy(args.ToCharArray(), 0, cds.lpData, args.Length);
cds.dwData = (IntPtr)1;
WindowsMessageHelper.SendMessage(handle, WindowsMessageHelper.WM_COPYDATA, IntPtr.Zero, ref cds);
return(true);
}
catch
{
return(false);
}
finally
{
cds.Dispose();
}
}
private static void HandleCommand(IntPtr handle)
{
var commandLineArgs = Environment.GetCommandLineArgs();
if (commandLineArgs.Length > 1 && commandLineArgs[1].StartsWith(WindowsMessageHelper.COMMAND_PREFIX))
{
// It is a Jump List command.
string temp = commandLineArgs[1].Split(':').LastOrDefault();
int commandNumber;
if (int.TryParse(temp, out commandNumber))
{
WindowsMessageHelper.SendMessage(handle, commandNumber);
}
}
else
{
var args = string.Join(" ", commandLineArgs.Skip(1).ToArray());
WindowsMessageHelper.SendMessage(handle, args);
}
}
