protected virtual void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
if (_keyboardHandle != IntPtr.Zero)
{
WindowsHookHelper.UnhookWindowsHookEx(_keyboardHandle);
}
_disposed = true;
}
private IntPtr KeyboardHookDelegate(int code, IntPtr wParam, IntPtr lParam)
{
if (code >= 0)
{
if (wParam == (IntPtr)WM_KEYDOWN)
{
var vkCode = (Keys)Marshal.ReadInt32(lParam);
var keyEventArgs = new KeyEventArgs(vkCode);
OnKeyDown(keyEventArgs);
}
else if (wParam == (IntPtr)WM_KEYUP)
{
var vkCode = (Keys)Marshal.ReadInt32(lParam);
var keyEventArgs = new KeyEventArgs(vkCode);
OnKeyUp(keyEventArgs);
}
}
return(WindowsHookHelper.CallNextHookEx(_keyboardHandle, code, wParam, lParam));
}
private IntPtr KeyboardHookDelegate(int code, IntPtr wParam, IntPtr lParam)
{
if (code >= 0)
{
var arg = (MSLLHOOKSTRUCT)Marshal.PtrToStructure(lParam, typeof(MSLLHOOKSTRUCT));
MouseEventArgs mouseEventArgs;
switch ((int)wParam)
{
case WM_MOUSEMOVE:
mouseEventArgs = new MouseEventArgs(MouseButtons.None, 0, arg.pt.x, arg.pt.y, 0);
OnMouseMoved(mouseEventArgs);
break;
case WM_MOUSEWHEEL:
var delta = 0;
if (arg.mouseData > 0)
{
delta = 1;
}
else if (arg.mouseData < 0)
{
delta = -1;
}
mouseEventArgs = new MouseEventArgs(MouseButtons.None, 0, 0, 0, delta);
OnMouseWheel(mouseEventArgs);
break;
case WM_LBUTTONDBLCLK:
mouseEventArgs = new MouseEventArgs(MouseButtons.Left, 2, arg.pt.x, arg.pt.y, 0);
OnMouseDoubleClicked(mouseEventArgs);
break;
case WM_RBUTTONDBLCLK:
mouseEventArgs = new MouseEventArgs(MouseButtons.Right, 2, arg.pt.x, arg.pt.y, 0);
OnMouseDoubleClicked(mouseEventArgs);
break;
case WM_MBUTTONDBLCLK:
mouseEventArgs = new MouseEventArgs(MouseButtons.Middle, 2, arg.pt.x, arg.pt.y, 0);
OnMouseDoubleClicked(mouseEventArgs);
break;
case WM_XBUTTONDBLCLK:
mouseEventArgs = new MouseEventArgs(arg.mouseData == 1 ? MouseButtons.XButton1 : MouseButtons.XButton2, 2, arg.pt.x, arg.pt.y, 0);
OnMouseDoubleClicked(mouseEventArgs);
break;
case WM_LBUTTONUP:
mouseEventArgs = new MouseEventArgs(MouseButtons.Left, 1, arg.pt.x, arg.pt.y, 0);
OnMouseClicked(mouseEventArgs);
OnMouseUp(mouseEventArgs);
break;
case WM_RBUTTONUP:
mouseEventArgs = new MouseEventArgs(MouseButtons.Right, 1, arg.pt.x, arg.pt.y, 0);
OnMouseClicked(mouseEventArgs);
OnMouseUp(mouseEventArgs);
break;
case WM_MBUTTONUP:
mouseEventArgs = new MouseEventArgs(MouseButtons.Middle, 1, arg.pt.x, arg.pt.y, 0);
OnMouseClicked(mouseEventArgs);
OnMouseUp(mouseEventArgs);
break;
case WM_XBUTTONUP:
mouseEventArgs = new MouseEventArgs(arg.mouseData == 1 ? MouseButtons.XButton1 : MouseButtons.XButton2, 1, arg.pt.x, arg.pt.y, 0);
OnMouseClicked(mouseEventArgs);
OnMouseUp(mouseEventArgs);
break;
case WM_LBUTTONDOWN:
mouseEventArgs = new MouseEventArgs(MouseButtons.Left, 1, arg.pt.x, arg.pt.y, 0);
OnMouseDown(mouseEventArgs);
break;
case WM_RBUTTONDOWN:
mouseEventArgs = new MouseEventArgs(MouseButtons.Right, 1, arg.pt.x, arg.pt.y, 0);
OnMouseDown(mouseEventArgs);
break;
case WM_MBUTTONDOWN:
mouseEventArgs = new MouseEventArgs(MouseButtons.Middle, 1, arg.pt.x, arg.pt.y, 0);
OnMouseDown(mouseEventArgs);
break;
case WM_XBUTTONDOWN:
mouseEventArgs = new MouseEventArgs(arg.mouseData == 1 ? MouseButtons.XButton1 : MouseButtons.XButton2, 1, arg.pt.x, arg.pt.y, 0);
OnMouseDown(mouseEventArgs);
break;
}
}
return(WindowsHookHelper.CallNextHookEx(_mouseHandle, code, wParam, lParam));
}
public KeyboardGlobalHook()
{
_delegate = KeyboardHookDelegate;
_keyboardHandle = WindowsHookHelper.SetWindowsHookEx(WH_KEYBOARD_LL, _delegate, IntPtr.Zero, 0);
}
public MouseGlobalHook()
{
_delegate = KeyboardHookDelegate;
_mouseHandle = WindowsHookHelper.SetWindowsHookEx(WH_MOUSE_LL, _delegate, IntPtr.Zero, 0);
}
