internal bool InternalPostFilterMessage(HookInfo hInfo, int Msg, Control wnd, IntPtr HWnd, IntPtr WParam, IntPtr LParam)
{
bool result = false;
for (int n = hInfo.HookControllers.Count - 1; n >= 0; n--)
{
IHookController ctrl = hInfo.HookControllers[n] as IHookController;
result |= ctrl.InternalPostFilterMessage(Msg, wnd, HWnd, WParam, LParam);
if (Msg == 0x2)
{
if (ctrl.OwnerHandle == HWnd)
{
RemoveController(ctrl);
}
}
}
return(result);
}
protected int GetMessageHook(int ncode, IntPtr wParam, IntPtr lParam)
{
HookInfo hInfo = GetInfoByThread();
API_MSG hookStr = (API_MSG)Marshal.PtrToStructure(lParam, typeof(API_MSG));
if (!hInfo.inHook && lParam != IntPtr.Zero)
{
try
{
hInfo.inHook = true;
InternalGetMessage(ref hookStr);
}
finally
{
hInfo.inHook = false;
}
}
return(CallNextHookEx(hInfo.wndHookHandle, ncode, wParam, lParam));
}
internal void InstallHook(HookInfo hInfo)
{
if (hInfo.wndHookHandle != IntPtr.Zero) return;
hInfo.mouseHookProc = new Hook(MouseHook);
hInfo.wndHookProc = new Hook(WndHook);
hInfo.getMessageHookProc = new Hook(GetMessageHook);
hInfo.wndHookHandle = SetWindowsHookEx(4, hInfo.wndHookProc, 0, hInfo.ThreadId);
hInfo.mouseHookHandle = SetWindowsHookEx(7, hInfo.mouseHookProc, 0, hInfo.ThreadId);
hInfo.getMessageHookHandle = IntPtr.Zero;
}
protected virtual HookInfo GetInfoByThread()
{
int thId = CurrentThread;
HookInfo hInfo = HookHash[thId] as HookInfo;
if (hInfo == null)
{
hInfo = new HookInfo();//(this);
HookHash[thId] = hInfo;
}
return hInfo;
}
internal void RemoveHook(HookInfo hInfo, bool disposing)
{
if (hInfo.wndHookHandle != IntPtr.Zero)
{
UnhookWindowsHookEx(hInfo.wndHookHandle);
hInfo.wndHookHandle = IntPtr.Zero;
hInfo.wndHookProc = null;
hInfo.getMessageHookHandle = IntPtr.Zero;
hInfo.getMessageHookProc = null;
UnhookWindowsHookEx(hInfo.mouseHookHandle);
hInfo.mouseHookHandle = IntPtr.Zero;
hInfo.mouseHookProc = null;
HookHash.Remove(hInfo.ThreadId);
}
}
internal bool InternalPreFilterMessage(HookInfo hInfo, int Msg, Control wnd, IntPtr HWnd, IntPtr WParam, IntPtr LParam)
{
bool result = false;
for (int n = 0; n < hInfo.HookControllers.Count; n++)
{
IHookController ctrl = hInfo.HookControllers[n] as IHookController;
result |= ctrl.InternalPreFilterMessage(Msg, wnd, HWnd, WParam, LParam);
}
return result;
}
internal bool InternalPostFilterMessage(HookInfo hInfo, int Msg, Control wnd, IntPtr HWnd, IntPtr WParam, IntPtr LParam)
{
bool result = false;
for (int n = hInfo.HookControllers.Count - 1; n >= 0; n--)
{
IHookController ctrl = hInfo.HookControllers[n] as IHookController;
result |= ctrl.InternalPostFilterMessage(Msg, wnd, HWnd, WParam, LParam);
if (Msg == 0x2)
{
if (ctrl.OwnerHandle == HWnd)
{
RemoveController(ctrl);
}
}
}
return result;
}
