FMX.Grid.TGridModel.OnDrawColumnBackground
Delphi
property OnDrawColumnBackground: TDrawColumnCellEvent read FOnDrawColumnBackground write FOnDrawColumnBackground;
C++
__property TDrawColumnCellEvent OnDrawColumnBackground = {read=FOnDrawColumnBackground, write=FOnDrawColumnBackground};
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| event | public | FMX.Grid.pas FMX.Grid.hpp |
FMX.Grid | TGridModel |
Description
Occurs when the presentation needs to draw the background of a cell, and allows you to draw the cell background yourself to customize it.
The handler of OnDrawColumnBackground receives the following parameters:
Senderis the presentation object that owns this model.Canvasis the canvas where you can draw the cell background.Columnis the column that contains the cell.Boundsindicates the cell boundaries.Rowis the row number of the cell.Valueis the cell value.Stateis the drawing state of the cell.
OnDrawColumnBackground occurs before OnDrawColumnCell.