RAD Studio VCL Reference
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THeader.OnSizing Event
THeader Class | THeader Members | ExtCtrls Namespace | Description | See Also
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Occurs before the header is resized.

Pascal
property OnSizing: TSectionEvent;
C++
__property TSectionEvent OnSizing;
Description

Write an OnSizing event handler to perform special processing immediately before the header is resized. In this event, AWidth is the width that the section will have after it is resized. Use the SectionWidth property to determine the current size of the section. 

 

See Also
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