TDateRangeCheckEvent procedure type
Specifies an event handler signalled prior to validating a date for it lower and upper limits.
Declaration
TDateRangeCheckEvent = procedure(Sender: TObject; var ADate: TDateTime)
of objectArguments
Sender | Object (TDateEdit) for the event notification. |
ADate | The existing TDateTime value for the handler routine. |
Description
TDateRangeCheckEvent is the type used to implement the OnDateRangeCheck property in TDateEdit. TDateRangeCheckEvent allows the control to perform actions needed for the existing value in ADate prior to validating and/or limiting the value to a specific range.
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.