/// <summary>
/// Raises the WindowsHookLiba.KeyboardHook.KeyDown event.
/// </summary>
/// <param name="e">A WindowsHookLiba.KeyBoardEventArgs
/// that contains the event data.</param>
protected virtual void OnKeyDown(WindowsHookLiba.KeyboardEventArgs e)
{
if (KeyDown != null)
{
KeyDown(this, e);
}
}
// This sub processes all the keyboard messages and passes to the other windows
private IntPtr KeyboardProc(int nCode, IntPtr wParam, ref UnsafeNativeMethods.KeyboardData lParam)
{
if (nCode >= UnsafeNativeMethods.HC_ACTION)
{
WindowsHookLiba.KeyboardEventArgs e;
Keys keyCode = (Keys)lParam.vkCode;
if ((int)wParam == UnsafeNativeMethods.WM_KEYDOWN | (int)wParam == UnsafeNativeMethods.WM_SYSKEYDOWN)
{
if (keyCode == Keys.LMenu | keyCode == Keys.RMenu)
{
this._keyData = (this._keyData | Keys.Alt);
e = new WindowsHookLiba.KeyboardEventArgs(this._keyData | Keys.Menu, keyCode);
}
else if (keyCode == Keys.LControlKey | keyCode == Keys.RControlKey)
{
this._keyData = (this._keyData | Keys.Control);
e = new WindowsHookLiba.KeyboardEventArgs(this._keyData | Keys.ControlKey, keyCode);
}
else if (keyCode == Keys.LShiftKey | keyCode == Keys.RShiftKey)
{
this._keyData = (this._keyData | Keys.Shift);
e = new WindowsHookLiba.KeyboardEventArgs(this._keyData | Keys.ShiftKey, keyCode);
}
else
{
e = new WindowsHookLiba.KeyboardEventArgs(this._keyData | keyCode, keyCode);
}
this.OnKeyDown(e);
if (e.Handled)
{
return(new IntPtr(1));
}
}
else if ((int)wParam == UnsafeNativeMethods.WM_KEYUP | (int)wParam == UnsafeNativeMethods.WM_SYSKEYUP)
{
if (keyCode == Keys.LMenu | keyCode == Keys.RMenu)
{
this._keyData = (this._keyData & ~Keys.Alt);
e = new WindowsHookLiba.KeyboardEventArgs(this._keyData | Keys.Menu, keyCode);
}
else if (keyCode == Keys.LControlKey | keyCode == Keys.RControlKey)
{
this._keyData = (this._keyData & ~Keys.Control);
e = new WindowsHookLiba.KeyboardEventArgs(this._keyData | Keys.ControlKey, keyCode);
}
else if (keyCode == Keys.LShiftKey | keyCode == Keys.RShiftKey)
{
this._keyData = (this._keyData & ~Keys.Shift);
e = new WindowsHookLiba.KeyboardEventArgs(this._keyData | Keys.ShiftKey, keyCode);
}
else
{
e = new WindowsHookLiba.KeyboardEventArgs(this._keyData | keyCode, keyCode);
}
this.OnKeyUp(e);
if (e.Handled)
{
return(new IntPtr(1));
}
}
}
return(UnsafeNativeMethods.CallNextHookEx(this._hKeyboardHook, nCode, wParam, ref lParam));
}
