KeyboardActivityArgs(KeyboardDevice keyboard,
IntPtr windowHandle,
KeyActivityType eventType,
VirtualKeyCodes vKeyCode,
KeyMasks masks,
int scanCode,
int repeatCount,
bool extended,
char aChar)
{
fKeyboard = keyboard;
fWindowHandle = windowHandle;
fEventType = eventType;
m_VirtualKeyCode = vKeyCode;
m_KeyMasks = masks;
fKeyChar = aChar;
fRepeatCount = repeatCount;
m_OEMScanCode = scanCode;
fIsExtended = extended;
//int previousKeyState = ((int)fKeyFlags & 0x40000000) >> 30;
//fKeyWasPreviouslyDown = (1 == previousKeyState);
// Not used at the moment
//int context = ((int)fKeyFlags & 0x20000000) >> 29;
//int transitionState = (int)(((int)fKeyFlags & 0x100000000) >> 31);
}
public static void SimulateKeyboardActivity(VirtualKeyCodes keyCode, KeyActivityType keyEvent)
{
KeyEvents++;
INPUT structInput;
structInput = new INPUT();
structInput.type = User32.INPUT_KEYBOARD;
structInput.ki.wScan = 0;
structInput.ki.time = 0;
structInput.ki.wVk = (short)keyCode;
switch (keyEvent)
{
case KeyActivityType.SysKeyDown:
case KeyActivityType.KeyDown:
structInput.ki.dwFlags = 0; // Keydown
if ((VirtualKeyCodes.LShiftKey == keyCode) || (VirtualKeyCodes.RShiftKey == keyCode))
{
//|| ((Keys)kd.keyCode).ToString().CompareTo("LMenu") == 0
structInput.ki.dwFlags |= User32.KEYEVENTF_EXTENDEDKEY;
}
break;
case KeyActivityType.SysKeyUp:
case KeyActivityType.KeyUp:
structInput.ki.dwFlags = User32.KEYEVENTF_KEYUP;
break;
default:
//structInput.ki.keyEvent = (int)User32.KEYEVENTF_KEYUP;
break;
}
//InputHook.RealData = false;
SimulateInput(structInput);
// Something interesting about the sticky Shift Key:(
if ((keyEvent == KeyActivityType.KeyUp) &&
((VirtualKeyCodes.LShiftKey == keyCode) || (VirtualKeyCodes.RShiftKey == keyCode)))
{
User32.keybd_event((byte)User32.VK_SHIFT, 0, (uint)(User32.KEYEVENTF_EXTENDEDKEY | User32.KEYEVENTF_KEYUP), 0);
//structInput.ki.keyCode = (short)VK.RSHIFT; // Does not work in XP => try keybd_event
//SimulateInput(structInput);
}
//InputHook.RealData = true;
InputProcessKeyEx(keyCode, keyEvent);
}
public KeyboardActivityArgs(KeyActivityType eventType, VirtualKeyCodes vKeyCode)
:this(null, IntPtr.Zero, eventType, vKeyCode, 0, 0, 0, false, '\0')
{
}
private static void InputProcessKeyEx(VirtualKeyCodes vkCode, KeyActivityType eventType)
{
if (eventType == KeyActivityType.KeyUp)
{
switch (vkCode)
{
case VirtualKeyCodes.LWin:
case VirtualKeyCodes.RWin:
WinDown = false;
break;
case VirtualKeyCodes.LControlKey:
case VirtualKeyCodes.RControlKey:
CtrlDown = false;
break;
case VirtualKeyCodes.LMenu:
case VirtualKeyCodes.RMenu:
AltDown = false;
break;
default:
break;
}
}
else
{
switch (vkCode)
{
case VirtualKeyCodes.LWin:
case VirtualKeyCodes.RWin:
WinDown = true;
break;
case VirtualKeyCodes.LControlKey:
case VirtualKeyCodes.RControlKey:
CtrlDown = true;
break;
case VirtualKeyCodes.LMenu:
case VirtualKeyCodes.RMenu:
AltDown = true;
break;
case VirtualKeyCodes.Delete:
if (CtrlDown && AltDown)
{
ReleaseAllKeys();
}
break;
case VirtualKeyCodes.L:
if (WinDown)
{
ReleaseAllKeys();
User32.LockWorkStation();
}
break;
default:
break;
}
}
}
