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Customize the task bar in Windows Mobile Devices

, 31 Jan 2008 CPOL
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Disable/enable task bar in a handheld device using a flag

Introduction

This article basically provides functionality for a Compact Framework based handheld device task bar to be enabled or disabled.

Background

The Compact Framework does not directly support disabling or enabling the task bar in devices. So, I used Platform Invoke (P/Invoke). Just copy and paste this code in your project, and pass the two arguments depending on what you want to do with the task bar.

Using the code

using System;
using System.Text;
using System.Runtime.InteropServices;

namespace PPC.Common
{
    public class LockTaskBar
    {
        [DllImport("CoreDll.dll", SetLastError = true)]
        public static extern IntPtr FindWindow(string className, string WindowsName);

        [DllImport("coredll.dll", EntryPoint = "EnableWindow")]
        public static extern bool EnableWindow(IntPtr hwnd, bool bEnable);

        /// <summary>
        /// this is for enable and disable task bar. 
        /// Basically this is provide access control Start menu.
        /// </summary>
        /// <param name="HHTaskBar">HHTaskBar</param>
        /// <param name="enabled">default false</param>
        /// <returns></returns>
        public static bool Execute(string HHTaskBar,bool enabled)
        {
            bool IsState = false;
            try
            {
                IntPtr hwnd = FindWindow(HHTaskBar, null);

                if (!hwnd.Equals(IntPtr.Zero))
                {
                    if (enabled)
                    {
                        IsState = EnableWindow(hwnd, false);
                    }
                    else
                    {
                        IsState =EnableWindow(hwnd, true);
                    }
                }
            }
            catch (DllNotFoundException dllex)
            {
                throw dllex;
            }
            catch (Exception ex)
            {
                throw ex;
            }
            return IsState;
        }
    }
}

Just copy and paste the code in your project, and call the Execute method passing the window handle string HHTaskBar. If you want to disable the Start menu, pass true, otherwise pass false.

History

  • First version: 01/01/2008.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Ravenet
Team Leader
Singapore Singapore
- B.Sc. degree in Computer Science.
- 4+ years experience in Visual C#.net and VB.net
- Obsessed in OOP style design and programming.
- Designing and developing Network security tools.
- Designing and developing a client/server application for sharing files among users in a way other than FTP protocol.
- Designing and implementing GSM gateway applications and bulk messaging.
- Windows Mobile and Symbian Programming
- Having knowledge with ERP solutions
 
The summary of my skills:
C#, VB.Net#,ASP.net, VC++, Java, WPF,WCF, Oracle, SQL Server, MS Access, Windows NT administration
 
Cheers
RRave
MCPD,MCTS
http://codegain.com

Comments and Discussions

 
GeneralUseful application PinmemberPavanPareta1-Sep-09 9:43 
GeneralMy vote of 1 Pinmemberscolate13-Dec-08 6:16 
Questionvb. net? PinmemberMember 42290629-Jul-08 11:41 
AnswerRe: vb. net? PinmemberRavenet1-Sep-09 16:47 

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