private static void ForceUnsunscribeFromGlobalKeyboardEvents()
{
if (HookManager.s_KeyboardHookHandle == 0)
{
return;
}
int num = HookManager.UnhookWindowsHookEx(HookManager.s_KeyboardHookHandle);
HookManager.s_KeyboardHookHandle = 0;
HookManager.s_KeyboardDelegate = (HookManager.HookProc)null;
if (num == 0)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
private static int KeyboardHookProc(int nCode, int wParam, IntPtr lParam)
{
bool flag1 = false;
if (nCode >= 0)
{
HookManager.KeyboardHookStruct structure = (HookManager.KeyboardHookStruct)Marshal.PtrToStructure(lParam, typeof(HookManager.KeyboardHookStruct));
if (HookManager.s_KeyDown != null && (wParam == 256 || wParam == 260))
{
KeyEventArgs e = new KeyEventArgs((Keys)structure.VirtualKeyCode);
HookManager.s_KeyDown((object)null, e);
flag1 = e.Handled;
}
if (HookManager.s_KeyPress != null && wParam == 256)
{
bool flag2 = ((int)HookManager.GetKeyState(16) & 128) == 128;
bool flag3 = HookManager.GetKeyState(20) != (short)0;
byte[] numArray = new byte[256];
HookManager.GetKeyboardState(numArray);
byte[] lpwTransKey = new byte[2];
if (HookManager.ToAscii(structure.VirtualKeyCode, structure.ScanCode, numArray, lpwTransKey, structure.Flags) == 1)
{
char upper = (char)lpwTransKey[0];
if (flag3 ^ flag2 && char.IsLetter(upper))
{
upper = char.ToUpper(upper);
}
KeyPressEventArgs e = new KeyPressEventArgs(upper);
HookManager.s_KeyPress((object)null, e);
flag1 = flag1 || e.Handled;
}
}
if (HookManager.s_KeyUp != null && (wParam == 257 || wParam == 261))
{
KeyEventArgs e = new KeyEventArgs((Keys)structure.VirtualKeyCode);
HookManager.s_KeyUp((object)null, e);
flag1 = flag1 || e.Handled;
}
}
if (flag1)
{
return(-1);
}
return(HookManager.CallNextHookEx(HookManager.s_KeyboardHookHandle, nCode, wParam, lParam));
}
private static void OnMouseUp(object sender, MouseEventArgs e)
{
if (e.Clicks < 1)
{
return;
}
if (e.Button.Equals((object)HookManager.s_PrevClickedButton))
{
if (HookManager.s_MouseDoubleClick != null)
{
HookManager.s_MouseDoubleClick((object)null, e);
}
HookManager.s_DoubleClickTimer.Enabled = false;
HookManager.s_PrevClickedButton = MouseButtons.None;
}
else
{
HookManager.s_DoubleClickTimer.Enabled = true;
HookManager.s_PrevClickedButton = e.Button;
}
}
private static int MouseHookProc(int nCode, int wParam, IntPtr lParam)
{
if (nCode >= 0)
{
HookManager.MouseLLHookStruct structure = (HookManager.MouseLLHookStruct)Marshal.PtrToStructure(lParam, typeof(HookManager.MouseLLHookStruct));
MouseButtons buttons = MouseButtons.None;
short num = 0;
int clicks = 0;
bool flag1 = false;
bool flag2 = false;
switch (wParam)
{
case 513:
flag1 = true;
buttons = MouseButtons.Left;
clicks = 1;
break;
case 514:
flag2 = true;
buttons = MouseButtons.Left;
clicks = 1;
break;
case 515:
buttons = MouseButtons.Left;
clicks = 2;
break;
case 516:
flag1 = true;
buttons = MouseButtons.Right;
clicks = 1;
break;
case 517:
flag2 = true;
buttons = MouseButtons.Right;
clicks = 1;
break;
case 518:
buttons = MouseButtons.Right;
clicks = 2;
break;
case 522:
try
{
num = (short)(structure.MouseData >> 16 & (int)ushort.MaxValue);
break;
}
catch (Exception ex)
{
break;
}
}
MouseEventExtArgs e = new MouseEventExtArgs(buttons, clicks, structure.Point.X, structure.Point.Y, (int)num);
if (HookManager.s_MouseUp != null && flag2)
{
HookManager.s_MouseUp((object)null, (MouseEventArgs)e);
}
if (HookManager.s_MouseDown != null && flag1)
{
HookManager.s_MouseDown((object)null, (MouseEventArgs)e);
}
if (HookManager.s_MouseClick != null && clicks > 0)
{
HookManager.s_MouseClick((object)null, (MouseEventArgs)e);
}
if (HookManager.s_MouseClickExt != null && clicks > 0)
{
HookManager.s_MouseClickExt((object)null, e);
}
if (HookManager.s_MouseDoubleClick != null && clicks == 2)
{
HookManager.s_MouseDoubleClick((object)null, (MouseEventArgs)e);
}
if (HookManager.s_MouseWheel != null && num != (short)0)
{
HookManager.s_MouseWheel((object)null, (MouseEventArgs)e);
}
if ((HookManager.s_MouseMove != null || HookManager.s_MouseMoveExt != null) && (HookManager.m_OldX != structure.Point.X || HookManager.m_OldY != structure.Point.Y))
{
HookManager.m_OldX = structure.Point.X;
HookManager.m_OldY = structure.Point.Y;
if (HookManager.s_MouseMove != null)
{
HookManager.s_MouseMove((object)null, (MouseEventArgs)e);
}
if (HookManager.s_MouseMoveExt != null)
{
HookManager.s_MouseMoveExt((object)null, e);
}
}
if (e.Handled)
{
return(-1);
}
}
return(HookManager.CallNextHookEx(HookManager.s_MouseHookHandle, nCode, wParam, lParam));
}
