/// <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 void RegisterProc(HookID hId, HookProc proc)
{
if (!this._currentHooks.ContainsKey(hId))
{
// Hooking the delegate to the system.
// Hooks might be removed by timeout. Ref: https://msdn.microsoft.com/en-us/library/windows/desktop/ms644986(v=vs.85).aspx
var hHook = SetWindowsHookEx((int)hId, proc, IntPtr.Zero, 0); // TODO: Module might be needed...
// Storing the callback.
this._currentHooks.Add(hId, new SysHook()
{
HookHandle = hHook,
Procedure = proc,
Callbacks = new Dictionary <uint, KeyValuePair <HookType, Action <SystemInputEvent> > >()
});
}
}
