/// <summary>
/// 禁用键盘挂钩。
/// </summary>
/// <returns>True如果禁用正确。</returns>
public static bool Disable()
{
if (Enabled == true)
{
try
{
Hooks.UnhookWindowsHookEx(hHook);
Enabled = false;
return(true);
}
catch
{
Enabled = true;
return(false);
}
}
else
{
return(false);
}
}
/// <summary>
/// 启动键盘钩子。
/// </summary>
/// <returns>True如果没有例外。</returns>
public static bool Enable()
{
if (Enabled == false)
{
try
{
using (Process curProcess = Process.GetCurrentProcess())
using (ProcessModule curModule = curProcess.MainModule)
hHook = Hooks.SetWindowsHookEx((int)Hooks.HookType.WH_KEYBOARD_LL, hookproc, Hooks.GetModuleHandle(curModule.ModuleName), 0);
Enabled = true;
return(true);
}
catch
{
Enabled = false;
return(false);
}
}
else
{
return(false);
}
}
private static IntPtr Filter(int nCode, IntPtr wParam, IntPtr lParam)
{
bool result = true;
if (nCode >= 0)
{
if (wParam == (IntPtr)Hooks.WM_KEYDOWN ||
wParam == (IntPtr)Hooks.WM_SYSKEYDOWN)
{
int vkCode = Marshal.ReadInt32(lParam);
if ((Keys)vkCode == Keys.LControlKey ||
(Keys)vkCode == Keys.RControlKey)
{
Control = true;
}
else if ((Keys)vkCode == Keys.LShiftKey ||
(Keys)vkCode == Keys.RShiftKey)
{
Shift = true;
}
else if ((Keys)vkCode == Keys.RMenu ||
(Keys)vkCode == Keys.LMenu)
{
Alt = true;
}
else if ((Keys)vkCode == Keys.RWin ||
(Keys)vkCode == Keys.LWin)
{
Win = true;
}
else
{
result = OnKeyDown((Keys)vkCode);
}
}
else if (wParam == (IntPtr)Hooks.WM_KEYUP ||
wParam == (IntPtr)Hooks.WM_SYSKEYUP)
{
int vkCode = Marshal.ReadInt32(lParam);
if ((Keys)vkCode == Keys.LControlKey ||
(Keys)vkCode == Keys.RControlKey)
{
Control = false;
}
else if ((Keys)vkCode == Keys.LShiftKey ||
(Keys)vkCode == Keys.RShiftKey)
{
Shift = false;
}
else if ((Keys)vkCode == Keys.RMenu ||
(Keys)vkCode == Keys.LMenu)
{
Alt = false;
}
else if ((Keys)vkCode == Keys.RWin ||
(Keys)vkCode == Keys.LWin)
{
Win = false;
}
else
{
result = OnKeyUp((Keys)vkCode);
}
}
}
return(result ? Hooks.CallNextHookEx(hHook, nCode, wParam, lParam) : new IntPtr(1));
}
private static IntPtr Filter(int nCode, IntPtr wParam, IntPtr lParam)
{
bool result = true;
if (nCode >= 0)
{
Hooks.MouseHookStruct info = (Hooks.MouseHookStruct)Marshal.PtrToStructure(lParam, typeof(Hooks.MouseHookStruct));
switch ((int)wParam)
{
case Hooks.WM_LBUTTONDOWN:
result = OnMouseDown(MouseButtons.Left);
break;
case Hooks.WM_LBUTTONUP:
result = OnMouseUp(MouseButtons.Left);
break;
case Hooks.WM_RBUTTONDOWN:
result = OnMouseDown(MouseButtons.Right);
break;
case Hooks.WM_RBUTTONUP:
result = OnMouseUp(MouseButtons.Right);
break;
case Hooks.WM_MBUTTONDOWN:
result = OnMouseDown(MouseButtons.Middle);
break;
case Hooks.WM_MBUTTONUP:
result = OnMouseUp(MouseButtons.Middle);
break;
case Hooks.WM_XBUTTONDOWN:
if (info.Data >> 16 == Hooks.XBUTTON1)
{
result = OnMouseDown(MouseButtons.XButton1);
}
else if (info.Data >> 16 == Hooks.XBUTTON2)
{
result = OnMouseDown(MouseButtons.XButton2);
}
break;
case Hooks.WM_XBUTTONUP:
if (info.Data >> 16 == Hooks.XBUTTON1)
{
result = OnMouseUp(MouseButtons.XButton1);
}
else if (info.Data >> 16 == Hooks.XBUTTON2)
{
result = OnMouseUp(MouseButtons.XButton2);
}
break;
case Hooks.WM_MOUSEMOVE:
result = OnMouseMove(new Point(info.Point.X, info.Point.Y));
break;
case Hooks.WM_MOUSEWHEEL:
result = OnMouseWheel((info.Data >> 16) & 0xffff);
break;
}
}
return(result ? Hooks.CallNextHookEx(hHook, nCode, wParam, lParam) : new IntPtr(1));
}