Unit 'Controls' Package
[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] [#lcl]

TControl.HelpType

Indicates whether context-sensitive Help is selected by numeric ID or keyword.

Declaration

Source position: controls.pp line 1780

published property TControl.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

TControl.HelpContext

  

The numeric context-sensitive Help identifier for the control.

TControl.HelpKeyword

  

The context-sensitive Help keyword for the control.

TApplication.HelpContext

  

Shows context-sensitive help for the application.

TApplication.HelpKeyword

  

Shows help for the specified keyword.

TApplicationProperties.HelpFile

  

Contains the name for the help file in an application.

TCustomForm.HelpFile

  

The name of the help file for the form.

THelpType



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