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RAD Studio VCL Reference
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TCustomOutline.OnExpand Event
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RAD Studio VCL Reference
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Occurs immediately after a node in the outline is expanded.
property OnExpand: EOutlineChange;
__property EOutlineChange OnExpand;
Write an OnExpand event handler to perform special processing when a node in the outline is expanded. The event handler identifies the node that was just expanded.
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Description