OSBeginMouseTrack

void CATWindow::OSBeginMouseTrack (  )  [protected, virtual] OSBeginMouseTrack() requests the operating system to begin sending all mouse movement commands to the interface. When we start mouse tracking, typically we'll send all mouse events only to the control that began it. This is called when the mouse is pressed on a focuseable control. Definition at line 688 of file CATWindow_Win32.cpp. Referenced by OnMouseDown().

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