private static int KeyboardHookProc(int nCode, int wParam, IntPtr lParam)
{
var handled = false;
if (nCode >= 0)
{
var struct2 = (KeyboardHookStruct)Marshal.PtrToStructure(lParam, typeof(KeyboardHookStruct));
if (Instance.SKeyDown != null && (wParam == 0x100 || wParam == 260))
{
var e = new KeyEventArgs((Keys)struct2.VirtualKeyCode);
Instance.SKeyDown(null, e);
handled = e.Handled;
}
if (Instance.SKeyPress != null && wParam == 0x100)
{
var flag2 = (Win32Interop.GetKeyState(0x10) & 0x80) == 0x80;
var flag3 = Win32Interop.GetKeyState(20) != 0;
var pbKeyState = new byte[0x100];
Win32Interop.GetKeyboardState(pbKeyState);
var lpwTransKey = new byte[2];
if (Win32Interop.ToAscii(struct2.VirtualKeyCode, struct2.ScanCode, pbKeyState, lpwTransKey,
struct2.Flags) == 1)
{
var c = (char)lpwTransKey[0];
if (flag3 ^ flag2 && char.IsLetter(c))
{
c = char.ToUpper(c);
}
var args2 = new KeyPressEventArgs(c);
Instance.SKeyPress(null, args2);
handled = handled || args2.Handled;
}
}
if (Instance.SKeyUp != null && (wParam == 0x101 || wParam == 0x105))
{
var args3 = new KeyEventArgs((Keys)struct2.VirtualKeyCode);
Instance.SKeyUp(null, args3);
handled = handled || args3.Handled;
}
}
if (handled)
{
return(-1);
}
return(Win32Interop.CallNextHookEx(Instance._sKeyboardHookHandle, nCode, wParam, lParam));
}