TrackMouseWheel

void CATControl::TrackMouseWheel ( const CATPOINT &  point, CATFloat32  wheelMove, CATMODKEY  modKey   ) [virtual] TrackMouseWheel() is called if the mouse wheel is used while a button is down. The mouse wheel movement is set to where each 'notch' should be about 1.0 coming in from the OS. Positive values are 'up' or away from the user, negative values are down or towards the user. Parameters: point  - location of the mouse pointer when the wheel is moved wheelMove  - distance moved modKey  - Key state modifiers for ctrl/shift/alt/etc. Definition at line 781 of file CATControl.cpp. Referenced by CATWindow::OnMouseWheel().

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