TRVTableItemInfo.OnDrawBackground

Allows custom drawing of table backgrounds

type

TRVTableDrawBackEvent = procedure(Sender: TRVTableItemInfo;

    Canvas: TCanvas; Left, Top, Right, Bottom: TRVCoord;
    TableSelected, CellSelected, Printing: Boolean; Row, Col: Integer;
    var DoDefault: Boolean) of object;

property OnDrawBackground: TRVTableDrawBackEvent;

(introduced in version 17)

Input parameters

Sender – the table to draw background for (background can be drawn for the table itself or for the table cells).

Canvas – canvas where to draw.

Left, Top, Right, Bottom – rectangle for the background.

TableSelected – True if this table is selected completely.

CellSelected – True if this cell is selected.

Printing – True if this drawing is for printing; False if on screen.

Row, Col – row and column of the cell (or -1 if this is a table background).

Output parameters

DoDefault – set to False to cancel the default background drawing.