private static void unhook_mouse()
{
if (RCH_Mouse_Handler != 0)
{
int result = UnhookWindowsHookEx(RCH_Mouse_Handler);
RCH_Mouse_Handler = 0;
Mouse_Callback = null;
if (result == 0)
{
int errorCode = Marshal.GetLastWin32Error();
throw new Win32Exception(errorCode);
}
}
}
private static void set_keyboard_hook()
{
if (_Keyboard != null)
{
if (RCH_Keyboard_Handler == 0)
{
Keyboard_Callback = RCH_Keyboard_Hook_Proc;
RCH_Keyboard_Handler = SetWindowsHookEx(
WH_KEYBOARD_LL,
Keyboard_Callback,
IntPtr.Zero, 0
); //return descriptor or null
if (RCH_Keyboard_Handler == 0)
{
int errorCode = Marshal.GetLastWin32Error();
throw new Win32Exception(errorCode);
}
}
}
}
private static int RCH_Keyboard_Handler = 0; //keyboard descriptor
private static void set_mouse_hook()
{
if (_Mouse != null)
{
if (RCH_Mouse_Handler == 0)
{
Mouse_Callback = RCH_Mouse_Hook_Proc;
RCH_Mouse_Handler = SetWindowsHookEx(
WH_MOUSE_LL,
Mouse_Callback,
IntPtr.Zero, 0
); //return descriptor or null
if (RCH_Mouse_Handler == 0)
{
int errorCode = Marshal.GetLastWin32Error();
throw new Win32Exception(errorCode);
}
}
}
}
private static extern int SetWindowsHookEx(int idHook, RCH_Proc_Delegate lpfn, IntPtr hMod, int dwThreadId);
