RAD Studio VCL Reference
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TTrackBar.OnChange Event
TTrackBar Class | TTrackBar Members | ComCtrls Namespace | Description | See Also
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Occurs immediately after the value of Position changes.

Pascal
property OnChange: TNotifyEvent;
C++
__property TNotifyEvent OnChange;
Description

Write an OnChange event handler to take specific action whenever the position of the slider may have changed. For example, if the track bar is being used to control another object, update the other object from an OnChange event handler. 

 

See Also
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