private void mouseHook_HookFired(object sender, HookFiredEventArgs e)
{
MSLLHOOKSTRUCT hookStruct = (MSLLHOOKSTRUCT)Marshal.PtrToStructure(e.LParam, typeof(MSLLHOOKSTRUCT));
// TODO: double click, mouse wheel
CancelMouseEventArgs args = null;
switch ((MouseMessages)e.WParam)
{
case MouseMessages.WM_LBUTTONDOWN:
if (LeftMouseDown != null)
{
LeftMouseDown(this, args = new CancelMouseEventArgs(MouseButtons.Left, 1, hookStruct.pt.x, hookStruct.pt.y, 0));
}
break;
case MouseMessages.WM_LBUTTONUP:
if (LeftMouseUp != null)
{
LeftMouseUp(this, args = new CancelMouseEventArgs(MouseButtons.Left, 1, hookStruct.pt.x, hookStruct.pt.y, 0));
}
break;
case MouseMessages.WM_RBUTTONDOWN:
if (RightMouseDown != null)
{
RightMouseDown(this, args = new CancelMouseEventArgs(MouseButtons.Right, 0, hookStruct.pt.x, hookStruct.pt.y, 0));
}
break;
case MouseMessages.WM_RBUTTONUP:
if (RightMouseUp != null)
{
RightMouseUp(this, args = new CancelMouseEventArgs(MouseButtons.Right, 0, hookStruct.pt.x, hookStruct.pt.y, 0));
}
break;
case MouseMessages.WM_MOUSEMOVE:
if (MouseMove != null)
{
MouseMove(this, args = new CancelMouseEventArgs(MouseButtons.None, 0, hookStruct.pt.x, hookStruct.pt.y, 0));
}
break;
}
if (args != null && args.Cancel)
{
e.Cancel = true;
}
}
private void keyboardHook_HookFired(object sender, HookFiredEventArgs e)
{
if (e.NCode >= 0 && e.WParam == (IntPtr)WM_KEYDOWN)
{
int vkCode = Marshal.ReadInt32(e.LParam);
if (KeyDown != null)
{
var keys = AddModifiers((Keys)vkCode);
var args = new CancelKeyEventArgs(keys);
KeyDown(this, args);
if (args.Cancel)
{
e.Cancel = true;
}
}
if (KeyPress != null)
{
bool isDownShift = ((GetKeyState(VK_SHIFT) & 0x80) == 0x80 ? true : false);
bool isDownCapslock = (GetKeyState(VK_CAPITAL) != 0 ? true : false);
KeyboardHookStruct khs = (KeyboardHookStruct)Marshal.PtrToStructure(e.LParam, typeof(KeyboardHookStruct));
byte[] keyState = new byte[256];
GetKeyboardState(keyState);
byte[] inBuffer = new byte[2];
if (ToAscii(khs.VirtualKeyCode,
khs.ScanCode,
keyState,
inBuffer,
khs.Flags) == 1)
{
char key = (char)inBuffer[0];
if ((isDownCapslock ^ isDownShift) && Char.IsLetter(key))
{
key = Char.ToUpper(key);
}
CancelKeyPressEventArgs args = new CancelKeyPressEventArgs(key);
KeyPress(this, args);
if (args.Cancel)
{
e.Cancel = true;
}
}
}
}
}
private IntPtr HookCallback(
int nCode, IntPtr wParam, IntPtr lParam)
{
if (nCode >= 0)
{
var args = new HookFiredEventArgs()
{
NCode = nCode, LParam = lParam, WParam = wParam
};
if (HookFired != null)
{
HookFired(this, args);
}
if (args.Cancel)
{
return(new IntPtr(1));
}
}
return(CallNextHookEx(_hookID, nCode, wParam, lParam));
}
