TControl.HelpType property
Indicates whether context-sensitive Help is selected by numeric ID or keyword.
Declaration
property HelpType: THelpType read FHelpType write FHelpType default htContext;Description
HelpType is a
THelpType property which indicates the
mechanism used to locate and display a help topic for the control.
- htKeyword
- Uses the value in HelpKeyword to locate help content for the control.
- htContext
- Uses the numeric identifier in the HelpContext property to locate help content for the control.
The default value for the property is htContext.
The value in HelpType is updated when an explicit value is assigned to the HelpKeyword or HelpContext properties.
HelpType is used in the ShowHelp method to select the TApplication method called to display the help content. When set to htContext, the HelpContext method in Application is called. When set to htKeyword, the HelpKeyword method in Application is called. If the help request cannot be handled using the values assigned to the control, the ShowHelp method in Parent is called (when assigned).
See also
An experiment, built from Lazarus main 2dfa93c66e of 10-22-2026. Not the official Lazarus documentation.