Source code of Windows XP (NT5)
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/*++
Copyright (c) 1994-1998, Microsoft Corporation All rights reserved.
Module Name:
applet.h
Abstract:
This module contains the main header information for this project.
Revision History:
--*/
#ifndef _APPLETS_H
#define _APPLETS_H
//
// The prototype for an applet function is:
// int Applet(HINSTANCE instance, HWND parent, LPCTSTR cmdline);
//
// instance - The instance handle of the control panel containing the applet.
//
// parent - Contains the handle of a parent window for the applet (if any).
//
// cmdline - Points to the command line for the applet (if available).
// If the applet was launched without a command line,
// 'cmdline' contains NULL.
//
typedef int (*PFNAPPLET)(HINSTANCE, HWND, LPCTSTR);
//
// The return value specifies any further action that must be taken:
// APPLET_RESTART -- Windows must be restarted
// APPLET_REBOOT -- the machine must be rebooted
// all other values are ignored
//
#define APPLET_RESTART 0x8
#define APPLET_REBOOT (APPLET_RESTART | 0x4)
//
// The prototype for an applet query functions is:
// LRESULT AppletQuery(UINT Message);
//
typedef LRESULT (*PFNAPPLETQUERY)(HWND, UINT);
#define APPLET_QUERY_EXISTS 0 // BOOL result
#define APPLET_QUERY_GETICON 1 // HICON result
#endif