TCustomDBGrid.GetImageForCheckBox procedure

Member of TCustomDBGridprotectedIn unit DBGrids

Gets the bitmap displayed for a check box at the specified location.

Declaration

pascal

procedure GetImageForCheckBox(const aCol: Integer; const aRow: Integer; 
 CheckBoxView: TCheckBoxState; 
 var ImageList: TCustomImageList; 
 var ImageIndex: TImageIndex; 
 var Bitmap: TBitmap); override

Arguments

`aCol`	Column number for the cell.
`aRow`	Row number for the cell.
`CheckBoxView`	Check box state for the column.
`ImageList`	Images for the check box states.
`ImageIndex`	Ordinal position for the image.
`Bitmap`	Bitmap for the check box.

Description

GetImageForCheckBox is an overridden TBitmap function used to get the bitmap displayed for a check box at the specified location in the grid control. GetImageForCheckBox calls the inherited GetImageForCheckBox method using the passed arguments to get the return value. GetImageForCheckBox signals the OnUserCheckboxBitmap event handler when it has been assigned in the control to allow overriding the TBitmap used for the desired TCheckboxState.

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