RAD Studio VCL Reference
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TCustomGrid.DoMouseWheelUp Method
TCustomGrid Class | TCustomGrid Members | Grids Namespace | Description | See Also
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Performs tasks when the mouse wheel is rotated upward.

Pascal
function DoMouseWheelUp(Shift: TShiftState; MousePos: TPoint): Boolean; override;
C++
virtual __fastcall Boolean DoMouseWheelUp(TShiftState Shift, TPoint MousePos);
Description

Override DoMouseWheelUp to perform tasks when the mouse wheel is rotated downward. 

DoMouseWheelUp should return false if the control's parent should handle the message. 

In TCustomGrid, DoMouseWheelUp decrements the current row and returns true. 

 

See Also
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