[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] | Reference for unit 'Grids' (#lcl)

# TCustomGrid.OnUserCheckboxImage

Event handler signalled to get the user-defined image used for a check box cell.

## Declaration

Source position: grids.pas line 1318

`protected property TCustomGrid.OnUserCheckboxImage : TUserCheckBoxImageEvent read FOnUserCheckboxImage write FOnUserCheckboxImage;`

## Description

OnUserCheckboxImage is a TUserCheckBoxImageEvent property with the event handler signalled to get a user-specified image list and index position for a check box cell with a give state. It is signalled from the GetImageForCheckBox method (when assigned) with the control, column, row, and check box state for the cell. Use the ImageList and ImageIndex arguments to return the image and position provided in the event handler routine.

Use the OnUserCheckboxBitmap event handler to get the check box image as a TBitmap type.

## See also

TCustomGrid.GetImageForCheckBox |  | Gets the bitmap used to draw check box columns in the grid.
TCustomGrid.OnUserCheckBoxBitmap |  | Event handler signalled to get the user-defined bitmap used for a check box cell.
TCustomGrid.DrawGridCheckboxBitmaps |  | Draws a check box bitmap which represents the given state in a cell.
TUserCheckboxImageEvent |  | Specifies the event handler used to get the image drawn for a check box column.