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TScrollBar.OnChange property

Member of TScrollBarpublishedIn unit StdCtrls

Event handler signalled when the value in Position, Min, Max, or PageSize is changed.

Declaration

pascal
property OnChange:;

Description

OnChange is a TNotifyEvent property which contains an event handler signalled when scroll information is updated in the control. OnChange is signalled (when assigned) from the Change method, and occurs when the value in Position, Min, Max, or PageSize is changed using SetParams.

Use the OnScroll event handler to respond to events signalled for control messages dispatched to the Scroll method.

This description is the one of StdCtrls.TCustomScrollBar.OnChange.

See also

An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.