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();
}
}
public static void AddTaskSelfLink(string title, string commandName, string iconPath, int iconNumber)
{
if (string.IsNullOrWhiteSpace(commandName))
{
throw new ArgumentNullException("commandName");
}
var icon = CreateIconReference(iconPath, iconNumber);
// Register the command and get the associated number.
int command = WindowsMessageHelper.RegisterCommand(commandName);
AddTaskLink(title, Assembly.GetEntryAssembly().Location, WindowsMessageHelper.COMMAND_PREFIX + command.ToString(), icon);
}
protected override void WndProc(ref Message m)
{
if (WindowsMessageHelper.WindowMessages.ContainsKey(m.Msg))
{
OnJumpListCommandReceived(new CommandEventArgs(WindowsMessageHelper.WindowMessages[m.Msg]));
}
else if (m.Msg == WindowsMessageHelper.WM_COPYDATA)
{
string arguments = WindowsMessageHelper.GetArguments(m.LParam);
OnStartupInstance(new StartupEventArgs(false, arguments));
}
else
{
base.WndProc(ref m);
}
}
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);
}
}
