private IntPtr HookCallback(int nCode, IntPtr wParam, IntPtr lParam)
{
if (nCode >= 0 && (wParam == (IntPtr)WM_KEYDOWN || wParam == (IntPtr)WM_SYSKEYDOWN))
{
// Cast lParam into our structure
KBHookStruct keypress = (KBHookStruct)Marshal.PtrToStructure(lParam, typeof(KBHookStruct));
// Console.WriteLine("ScanCode: {0}, Extended: {1}, KeyCode: {2}, Name: {3}",
// keypress.Scancode, keypress.Extended, keypress.VirtualKeyCode, AppController.GetKeyName(keypress.Scancode, keypress.Extended));
if (keypress.Scancode == 541)
{
// Right Alt, at least on my Dell SK-8115 keyboard
// Console.WriteLine("Fixing Dell's Right Alt keyboard bug");
keypress.Scancode = 56;
keypress.KeyFlags = 1;
}
if (keypress.VirtualKeyCode == 19)
{
// Pause. This doesn't capture well - it's extended value is 225
// rather than 224, so
keypress.Scancode = 29;
keypress.KeyFlags = 2;
}
// Some keyboards report Num Lock as having the extended bit set
// on keypress, but that doesn't work in a mapping.
if (keypress.Scancode == 69 && keypress.Extended == 224)
{
// The Keyboard lies.
keypress.Extended = 0;
}
// Raise the event:
if (KeyPressed != null)
{
KeyMapperKeyPressedEventArgs e = new KeyMapperKeyPressedEventArgs(keypress);
KeyPressed(new object(), e);
}
if (_suppress)
{
// Return 1 to suppress the keypress.
return((IntPtr)1);
}
}
return(NativeMethods.CallNextHookEx(_hookID, nCode, wParam, lParam));
}
// Constructor
public KeyMapperKeyPressedEventArgs(KBHookStruct key)
{
_key = key;
}
// Constructor
public KeyMapperKeyPressedEventArgs(KBHookStruct key)
{
_key = key;
}
