Windows Mobile Programming Tricks on the .NET Compact Framework: Part 1

using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;

namespace BeeMobile
{
    public class SIP
    {
        [DllImport("coredll.dll", SetLastError = true)]
        private static extern IntPtr FindWindow(string caption, string className);

        [DllImport("coredll.dll", SetLastError = true)]
        private static extern bool ShowWindow(IntPtr hwnd, int state);

        private const int SW_HIDE = 0;
        private const int SW_SHOW = 1;

        [DllImport("coredll.dll")]
        private static extern IntPtr GetWindow(IntPtr hWnd, uint uCmd);

        /// <summary>
        /// Hides the SIP (Software Input Panel) button.
        /// </summary>
        static public void HideSIP()
        {
            IntPtr hSipWindow = FindWindow("MS_SIPBUTTON", "MS_SIPBUTTON");
            if (hSipWindow != IntPtr.Zero)
            {
                IntPtr hSipButton = GetWindow(hSipWindow, 5);
                if (hSipButton != IntPtr.Zero)
                {
                    bool res = ShowWindow(hSipButton, SW_HIDE);
                }
            }
        }

        /// <summary>
        /// Shows the SIP (Software Input Panel) button.
        /// </summary>
        static public void ShowSIP()
        {
            IntPtr hSipWindow = FindWindow("MS_SIPBUTTON", "MS_SIPBUTTON");
            if (hSipWindow != IntPtr.Zero)
            {
                IntPtr hSipButton = GetWindow(hSipWindow, 5);
                if (hSipButton != IntPtr.Zero)
                {
                    bool res = ShowWindow(hSipButton, SW_SHOW);
                }
            }
        }
    }
}