Message Response Functions

TGadgetWindow catches the following events and implements the corresponding event-handling functions:

Response table entry	Member function
WM_CTLCOLOR	TGadgetWindow::EvCtlColor
EV_WM_LBUTTONDOWN	TGadgetWindow::EvLButtonDown
EV_WM_LBUTTONUP	TGadgetWindow::EvLButtonUp
EV_WM_MOUSEMOVE	TGadgetWindow::EvMouseMove
EV_WM_SIZE	TGadgetWindow::EvSize
EV_WM_SYSCOLORCHANGE	TGadgetWindow::EvSysColorChange