public bool HookKeyboard()
{
if (HookRegistered)
{
return(true);
}
bool result = false;
_del = (int code, long wParam, ref KBDLLHOOKSTRUCT lParam) =>
{
if (code < 0)
{
return(CallNextHookEx(IntPtr.Zero, code, wParam, ref lParam));
}
OnKeyboardInputChanged(this, new KeyboardInputArgs(wParam, lParam.vkCode, lParam.flags));
return(CallNextHookEx(IntPtr.Zero, code, wParam, ref lParam));
};
HHook = SetWindowsHookEx(HookType.WH_KEYBOARD_LL, _del, IntPtr.Zero, 0);
if (HHook == IntPtr.Zero)
{
// Write to file?
var myerror = Marshal.GetLastWin32Error();
}
else
{
result = true;
HookRegistered = true;
}
return(result);
}
public bool HookKeyboard()
{
if (HookRegistered)
{
return(true);
}
bool result = false;
_del = (int code, long wParam, ref KBDLLHOOKSTRUCT lParam) =>
{
// If the code is less than 0, Windows want it to be processed without touching..
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms644985(v=vs.85).aspx
if (code < 0)
{
return(CallNextHookEx(IntPtr.Zero, code, wParam, ref lParam));
}
foreach (var blacklistedKey in _blacklistedKeys)
{
if (blacklistedKey.Key == (Keys)lParam.vkCode &&
blacklistedKey.Value.Invoke())
{
return((IntPtr)1);
}
}
OnKeyboardInputChanged(this, new KeyboardInputArgs(wParam, lParam.vkCode, lParam.flags));
return(CallNextHookEx(IntPtr.Zero, code, wParam, ref lParam));
};
HHook = SetWindowsHookEx(HookType.WH_KEYBOARD_LL, _del, IntPtr.Zero, 0);
if (HHook == IntPtr.Zero)
{
// Write to file?
var myerror = Marshal.GetLastWin32Error();
}
else
{
result = true;
HookRegistered = true;
}
return(result);
}
static extern IntPtr SetWindowsHookEx(
HookType hookType
, KeyboardLLHookHandler lpfn
, IntPtr hMod
, uint dwThreadId
);
