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:
Sender
is the presentation object that owns this model.Canvas
is the canvas where you can draw the cell background.Column
is the column that contains the cell.Bounds
indicates the cell boundaries.Row
is the row number of the cell.Value
is the cell value.State
is the drawing state of the cell.
OnDrawColumnBackground occurs before OnDrawColumnCell.