Vcl.Grids.TCustomGrid.DoMouseWheelUp

Delphi

function DoMouseWheelUp(Shift: TShiftState; MousePos: TPoint): Boolean; override;

C++

DYNAMIC bool __fastcall DoMouseWheelUp(System::Classes::TShiftState Shift, const System::Types::TPoint &MousePos);

Type	Visibility	Source	Unit	Parent
function	protected	Vcl.Grids.pas Vcl.Grids.hpp	Vcl.Grids	TCustomGrid

Description

Performs tasks when the mouse wheel is rotated upward.

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.