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MSGBOXCALLBACK callback function (winuser.h)

  • Article

A callback function, which you define in your application, that processes help events for the message box. The MSGBOXCALLBACK type defines a pointer to this callback function. The MsgBoxCallback name is a placeholder for the name of the function that you define in your application.

Syntax

MSGBOXCALLBACK Msgboxcallback;

void Msgboxcallback(
  LPHELPINFO lpHelpInfo
)
{...}

Parameters

lpHelpInfo

Type: LPHELPINFO

Information about the item for which context-sensitive help has been requested.

Return value

None

Requirements

Requirement Value
Minimum supported client Windows 2000 Professional [desktop apps only]
Minimum supported server Windows 2000 Server [desktop apps only]
Header winuser.h (include windows.h)