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

TCustomGrid.ValidateEntry

Validates the value for the specified cell.

Declaration

Source position: grids.pas line 1210

protected function TCustomGrid.ValidateEntry(

  const ACol: Integer;

  const ARow: Integer;

  const OldValue: string;

  var NewValue: string

):Boolean; virtual;

Arguments

ACol

  

Column number for the operation.

ARow

  

Row number for the operation.

OldValue

  

Value on entry to the method.

NewValue

  

Value on exit from the method.

Function result

True when validation completes successfully.

Description

ValidateEntry is a Boolean function used to a validate the value for the cell at the specified Col and Row position.

ValidateEntry signals the OnValidateEntry event handler (when assigned) to perform validation for the cell. The return value is True when OnValidateEntry completes successfully, or when the event handler has not been assigned.

See also

TCustomGrid.OnValidateEntry

  

Event handler signalled to perform validation for a cell value.

TCustomGrid.Col

  

Column index for the selected grid cell.

TCustomGrid.Row

  

Row number for the selected grid cell.

Version 3.2 Generated 2024-02-25 Home