RAD Studio VCL Reference
TControl.HelpContext Property

Numeric ID for control's context-sensitive help topic

property HelpContext: THelpContext;
__property THelpContext HelpContext;

HelpContext supports help systems that use numeric topic IDs. For help systems that use topic keywords, see HelpKeyword.  

To enable context-sensitive help for a control, set HelpType to htContext and set HelpContext to a numeric topic ID. A topic ID of 0 (default) means that no help topic is provided for the control. 


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