/// <summary>
/// Attach the given handler to intercept the given message types
/// </summary>
/// <param name="messageType"></param>
/// <param name="handler"></param>
/// <returns></returns>
public static IntPtr SetHook(HookID messageType, HookProcess handler)
{
using (Process currentProcess = Process.GetCurrentProcess())
{
using (ProcessModule currentModule = currentProcess.MainModule)
{
var hook = SetWindowsHookEx(Convert.ToInt32(messageType), handler, GetModuleHandle(currentModule.ModuleName), 0);
lock (CurrentHooksLock)
{
CurrentlySetHooks.Add(hook, handler);
}
return(hook);
}
}
}
private static extern IntPtr SetWindowsHookEx([In] HOOK_TYPE hookType, [In] HookProcess hookProcess, [In] IntPtr handle, [In] UInt32 threadId);
public static IntPtr Hook(HookProcess process)
{
UInt32 threadId = GetCurrentThreadId();
return((threadId == 0) ? IntPtr.Zero : SetWindowsHookEx(HOOK_TYPE.WH_CALLWNDPROCRET, process, IntPtr.Zero, threadId));
}
public static extern IntPtr SetWindowsHookEx(int idHook, HookProcess lpfn, IntPtr hMod, uint dwThreadId);
public static extern int SetWindowsHookEx(int idHook, HookProcess lpfn, IntPtr hInstance, int threadId);
