fixed getting main window handle in UI
fixed getting main window handle in UI

saav/HubTurbo,saav/HubTurbo,Sumei1009/HubTurbo,gaieepo/HubTurbo,Honoo/HubTurbo,gaieepo/HubTurbo,HyungJon/HubTurbo,Honoo/HubTurbo,HyungJon/HubTurbo,Sumei1009/HubTurbo,ianngiaw/HubTurbo,ianngiaw/HubTurbo