Vcl.Grids.TCustomGrid.DoMouseWheelDown
Delphi
function DoMouseWheelDown(Shift: TShiftState; MousePos: TPoint): Boolean; override;
C++
DYNAMIC bool __fastcall DoMouseWheelDown(System::Classes::TShiftState Shift, const System::Types::TPoint &MousePos);
Properties
| 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 downward.
Override DoMouseWheelDown to perform tasks when the mouse wheel is rotated downward.
DoMouseWheelDown returns false if the control's parent should handle the message.
In TCustomGrid, DoMouseWheelDown increments the current row and returns true.