// IDE-Voreinstellungen:
// Option Explicit On
// Option Strict On

// "My Project"-Einstellungen:
// Imports Microsoft.VisualBasic.ControlChars
// Imports System.Windows.Forms
// Imports System

using System;
using global::System.Windows.Forms;

namespace Pilz.Threading
{

    /// <summary>
/// Stellt Methoden bereit, mit denen ein beliebiger Methoden-Aufruf mit bis zu 3 Argumenten
/// in einen Nebenthread verlegt werden kann, bzw. aus einem Nebenthread in den Hauptthread
/// </summary>
    public class CrossThreadsInvokeing
    {
        public static void RunAsync<T1, T2, T3>(Action<T1, T2, T3> Action, T1 Arg1, T2 Arg2, T3 Arg3)
        {
            Action.BeginInvoke(Arg1, Arg2, Arg3, Action.EndInvoke, null);
        }

        public static void RunAsync<T1, T2>(Action<T1, T2> Action, T1 Arg1, T2 Arg2)
        {
            Action.BeginInvoke(Arg1, Arg2, Action.EndInvoke, null);
        }

        public static void RunAsync<T1>(Action<T1> Action, T1 Arg1)
        {
            Action.BeginInvoke(Arg1, Action.EndInvoke, null);
        }

        public static void RunAsync(Action Action)
        {
            Action.BeginInvoke(Action.EndInvoke, null);
        }

        private static bool GuiCrossInvoke(Delegate Action, params object[] Args)
        {
            var frms = Application.OpenForms;
            if (frms.Count > 0 && frms[0].InvokeRequired)
            {
                frms[0].BeginInvoke(Action, Args);
                return true;
            }

            return false;
        }

        public static void RunGui<T1, T2, T3>(Action<T1, T2, T3> Action, T1 Arg1, T2 Arg2, T3 Arg3)
        {
            if (!GuiCrossInvoke(Action, Arg1, Arg2, Arg3))
                Action(Arg1, Arg2, Arg3);
        }

        public static void RunGui<T1, T2>(Action<T1, T2> Action, T1 Arg1, T2 Arg2)
        {
            if (!GuiCrossInvoke(Action, Arg1, Arg2))
                Action(Arg1, Arg2);
        }

        public static void RunGui<T1>(Action<T1> Action, T1 Arg1)
        {
            if (!GuiCrossInvoke(Action, (object)Arg1))
                Action(Arg1);
        }

        public static void RunGui(Action Action)
        {
            if (!GuiCrossInvoke(Action))
                Action();
        }
    }
}