HM_HELPSUBITEM_NOT_FOUND
Appearance
The Help Manager sends this message to the application when the user requests help on a field and it cannot find a related entry in the help subtable.
Syntax
param1 USHORT usContext; /* Type of window on which help was requested. */ param2 SHORT sTopic; /* Topic identifier. */ SHORT sSubTopic; /* Subtopic identifier. */
Parameters
- usContext (USHORT) - input
- Type of window on which help was requested.
- HLPM_WINDOW: An application window.
- HLPM_FRAME: A frame window.
- HLPM_MENU: A menu window.
- sTopic (SHORT) - input
- Topic identifier.
- For a value of the usContext parameter of HLPM_WINDOW or HLPM_FRAME:
- window: Identity of the window containing the field on which help was
- requested.
- menu: Identity of the submenu containing the field on which help was requested.
- window: Identity of the window containing the field on which help was
- For a value of the usContext parameter of HLPM_WINDOW or HLPM_FRAME:
- sSubTopic (SHORT) - input
- Subtopic identifier.
- For a value of the usContext parameter of HLPM_WINDOW or HLPM_FRAME:
- control: Control identity of the cursored field and on which help was
- requested.
- control: Control identity of the cursored field and on which help was
- For a value of the usContext parameter of HLPM_MENU:
- -1: No menu item was selected.
- other: Menu item identity of the currently selected submenu item on which help
- was requested.
- For a value of the usContext parameter of HLPM_WINDOW or HLPM_FRAME:
Returns
- rc (BOOL) - return
- Action indicator.
Remarks
If FALSE is returned from this message, the Help Manager displays the extended help window.
The application has the following options:
- Ignore the notification and not display help for that field or window.
- Display its own window.
- Use the HM_DISPLAY_HELP message to tell the Help Manager to display a particular window.
Default Processing
None.