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

# TControlBorderSpacing.OnChange

Event handler signalled when border spacing value(s) have been changed.

## Declaration

Source position: controls.pp line 873

`published property TControlBorderSpacing.OnChange : TNotifyEvent read FOnChange write FOnChange;`

## Description

OnChange is a TNotifyEvent property with the event handler signalled when one of the properties in the class instance has been changed. OnChange is signalled (when assigned) from the Change method. It occurs after the border spacing values have been applied to the associated Control, and its size has been adjusted.

## See also

TControlBorderSpacing.Change |  | Invalidates the control and signals the OnChange event handler.
TControlBorderSpacing.Control |  | The control where the border spacing values are applied.
TControl.DoBorderSpacingChange |  | Performs actions needed when border spacing for the control is changed.
TNotifyEvent