keyboardhook.cs

Hide-Delete icon from ToolBar32 for specific process , from command line arguments. TBBUTTON CSha

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace LicenseManage.BaseClasses
{
    using System.Diagnostics;
    using System.Runtime.InteropServices;
    using System.Windows.Forms;

    class KeyBoardHook
    {
            private const int WH_KEYBOARD_LL = 13;
            private const int WM_KEYDOWN = 0x0100;
            private static LowLevelKeyboardProc _proc = HookCallback;
            private static IntPtr _hookID = IntPtr.Zero;

            public static void Main2()
            {
                _hookID = SetHook(_proc);
                Application.Run();
                UnhookWindowsHookEx(_hookID);
            }

            private static IntPtr SetHook(LowLevelKeyboardProc proc)
            {
                using (Process curProcess = Process.GetCurrentProcess())
                using (ProcessModule curModule = curProcess.MainModule)
                {
                    return SetWindowsHookEx(WH_KEYBOARD_LL, proc,
                        GetModuleHandle(curModule.ModuleName), 0);
                }
            }

            private delegate IntPtr LowLevelKeyboardProc(int nCode, IntPtr wParam, IntPtr lParam);
        
            private static IntPtr HookCallback(int nCode, IntPtr wParam, IntPtr lParam)
            {
                if (nCode >= 0 && wParam == (IntPtr)WM_KEYDOWN)
                {
                    int vkCode = Marshal.ReadInt32(lParam);
                    if ((Keys)vkCode == Keys.LShiftKey)
                        return new IntPtr();
                    Console.WriteLine((Keys)vkCode);
                }
                return CallNextHookEx(_hookID, nCode, wParam, lParam);
            }

            [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
            private static extern IntPtr SetWindowsHookEx(int idHook,
                LowLevelKeyboardProc lpfn, IntPtr hMod, uint dwThreadId);

            [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
            [return: MarshalAs(UnmanagedType.Bool)]
            private static extern bool UnhookWindowsHookEx(IntPtr hhk);

            [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
            private static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode,
                IntPtr wParam, IntPtr lParam);

            [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
            private static extern IntPtr GetModuleHandle(string lpModuleName);
        }

    }