Unit 'ExtCtrls' Package
[Overview][Types][Classes][Procedures and functions][Index] [#lcl]

TCanOffsetEvent

Specifies an event handler signalled to determine if the given offset is valid for a splitter control.

Declaration

Source position: extctrls.pp line 332

type TCanOffsetEvent = procedure(

  Sender: TObject;

  var NewOffset: Integer;

  var Accept: Boolean

) of object;

Arguments

Sender

  

Object for the event notification.

NewOffset

  

Offset value examined in the routine.

Accept

  

True if the offset value is valid.

Description

TCanOffsetEvent is the type used to implement the OnCanOffset property in TCustomSplitter. It is signalled from the CheckOffset method when the splitter is moved.

See also

TCustomSplitter.OnCanOffset

  

Event handler signalled to calculate the offset when the splitter is dragged, and to accept or reject the offset value.

TCustomSplitter.CheckOffset

  

Signals the OnCanOffset event handler to determine the offset used when aligning the control, and the success or failure of the calculation.

TCustomSplitter.MoveSplitter

  

MoveSplitter moves the splitter by an amount specified in Offset.



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