TCustomGrid.DoPrepareCanvas procedure

Member of TCustomGridprotectedIn unit Grids

Performs actions needed to prepare the canvas for a drawing operation.

Declaration

pascal

procedure DoPrepareCanvas(aCol: Integer; aRow: Integer; 
 aState: TGridDrawState); virtual

Arguments

`aCol`	Column number for the current cell.
`aRow`	Row number for the current cell.
`aState`	Drawing state (like selected, focused, fixed) for the current cell.

Description

DoPrepareCanvas signals the OnPrepareCanvas event handler (when assigned) to prepare the Canvas to draw the specified cell using the specified state. It is called from the PrepareCanvas method, and allows the default actions performed in the caller to be overridden.

An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.