mce-controller/SendMessageCommands.cs at master · jgus/mce-controller · GitHub

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//-------------------------------------------------------------------
// Copyright © 2012 Kindel Systems, LLC
// http://www.kindel.com
// charlie@kindel.com
//
// Published under the MIT License.
// Source control on SourceForge
//    http://sourceforge.net/projects/mcecontroller/
//-------------------------------------------------------------------

using System;
using System.Diagnostics;
using System.Xml.Serialization;
using Microsoft.Win32.Security;

namespace MCEControl
{
    using HWND = IntPtr;
    using DWORD = UInt32;

    /// <summary>
    /// Summary description for SendMessageCommand.
    /// </summary>
    public class SendMessageCommand : Command
    {
        [XmlAttribute("Msg")]
        public int Msg;

        // This is int so that -1 can be specified in the XML
        [XmlAttribute("lParam")]
        public int LParam;
        [XmlAttribute("wParam")]
        public int WParam;

        public SendMessageCommand()
        {
        }

        public SendMessageCommand(string className, string windowName, DWORD msg, DWORD wParam, DWORD lParam)
        {
            ClassName = className;
            WindowName = windowName;
            Msg = (int)msg;
            WParam = (int)wParam;
            LParam = (int)lParam;
        }

        [XmlAttribute("ClassName")]
        public string ClassName { get; set; }

        [XmlAttribute("WindowName")]
        public string WindowName { get; set; }

        public override void Execute(Reply reply)
        {
            try
            {
                if (ClassName != null)
                {
                    var procs = Process.GetProcessesByName(ClassName);
                    if (procs.Length > 0)
                    {
                        var h = procs[0].MainWindowHandle;

                        MainWindow.AddLogEntry(string.Format("Cmd: SendMessage ({0}): {1} {2} {3}", ClassName, Msg, WParam,
                                                             LParam));
                        Win32.SendMessage(h, (DWORD)Msg, (DWORD)WParam, (DWORD)LParam);
                    }
                    else
                    {
                        MainWindow.AddLogEntry("Cmd: GetProcessByName for " + ClassName + " failed");
                    }
                }
                else
                {
                    var h = Win32.GetForegroundWindow();
                    MainWindow.AddLogEntry(string.Format("Cmd: SendMessage (forground window): {0} {1} {2}", Msg, WParam, LParam));
                    Win32.SendMessage(h, (DWORD)Msg, (DWORD)WParam, (DWORD)LParam);
                }
            }
            catch (Exception e)
            {
                MainWindow.AddLogEntry("Cmd: SendMessageCommand.Execute failed for " + ClassName + " with error: " +
                                       e.Message);
            }
        }
    }
}