2010 五月 - essoduke's blog

Archive for 五月, 2010

黃明志「我要回家」求助啟示

Posted by essoduke - 2010 年 05 月 26 日 20:27:30 - 98 User Views

不愧是念傳播的，懂得利用媒體平台來自我行銷！加油啊！

五月 26, 2010 | 人物側寫, 喃喃自語 | 0 個回覆

[C#] KMClear – 鍵鼠清潔輔助器

Posted by essoduke - 2010 年 05 月 24 日 22:49:22 - 141 User Views

首先，這不是能自動幫你清潔鍵鼠的工具 XD
它只是鎖定鍵盤滑鼠讓你在開機的時候可以清潔而已

KMClear - 鍵鼠清潔輔助器

支援平台：Windows 7, 2008, XP, 2003
環境需求：.Net FrameWork 3.5
檔案下載：KMClear.exe（11KB）
源碼下載：KMClear.zip（112KB – Visual C# 2008 Express）

這類程式有兩個重點要處理，一個是全螢幕執行，另一個就是鍵盤攔截。
全螢幕執行比較簡單，完全不需要 API：

private void Form1_Load(object sender, EventArgs e)
{
this.SetVisibleCore(false);
this.FormBorderStyle = FormBorderStyle.None;
this.Left = (Screen.PrimaryScreen.Bounds.Width / 2 - this.Width / 2);
this.Top = (Screen.PrimaryScreen.Bounds.Height / 2 - this.Height / 2);
this.SetVisibleCore(true);
}

另一個則是需要借助 Low-level API 的鍵盤攔截：

using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
namespace KMClear
{
internal class HookAPI
{
/* API Assign */
[DllImport("user32.dll", SetLastError = true)]
public static extern IntPtr SetWindowsHookEx(int idHook, HookProc lpfn, IntPtr hInstance, uint threadId);
[DllImport("user32.dll", SetLastError = true)]
public static extern bool UnhookWindowsHookEx(IntPtr idHook);
[DllImport("user32.dll", SetLastError = true)]
public static extern IntPtr CallNextHookEx(IntPtr idHook, int nCode, IntPtr wParam, IntPtr lParam);
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
private static extern IntPtr GetModuleHandle(string lpModuleName);
public delegate IntPtr HookProc(int nCode, IntPtr wParam, IntPtr lParam);
private static IntPtr hKeyboardHook = IntPtr.Zero;
private HookProc KeyboardHookProcedure;
private const int WH_KEYBOARD_LL = 13;
private const int WM_KEYDOWN = 0x0100;
/// <summary>
/// Start Keyboard Hook Process
/// </summary>
public void HookStart()
{
if (hKeyboardHook == IntPtr.Zero)
{
using (Process curProcess = Process.GetCurrentProcess())
{
using (ProcessModule curModule = curProcess.MainModule)
{
KeyboardHookProcedure = new HookProc(KeyboardHookProc);
hKeyboardHook = SetWindowsHookEx(WH_KEYBOARD_LL, KeyboardHookProcedure, GetModuleHandle(curModule.ModuleName), 0);
if (hKeyboardHook == IntPtr.Zero)
{
HookStop();
throw new Exception("SetWindowsHookEx failed.");
}
}
}
}
}
/// <summary>
/// Stop Keyboard Hook Process
/// </summary>
public void HookStop()
{
bool retKeyboard = true;
if (hKeyboardHook != IntPtr.Zero)
{
retKeyboard = UnhookWindowsHookEx(hKeyboardHook);
hKeyboardHook = IntPtr.Zero;
}
if (!(retKeyboard)) throw new Exception("UnhookWindowsHookEx failed.");
}
/// <summary>
/// Keyboard Hook Process
/// </summary>
/// <param name="nCode"></param>
/// <param name="wParam"></param>
/// <param name="lParam"></param>
/// <returns></returns>
private IntPtr KeyboardHookProc(int nCode, IntPtr wParam, IntPtr lParam)
{
if (nCode >= 0 && wParam == (IntPtr)WM_KEYDOWN)
{
int vkCode = Marshal.ReadInt32(lParam);
Console.WriteLine((System.Windows.Forms.Keys)vkCode);
return new IntPtr(1);
}
return CallNextHookEx(hKeyboardHook, nCode, wParam, lParam);
}
}
}