extension.c

一些brew的简单代码

/*===========================================================================

FILE: Extension.c
  
SERVICES: Sample class exported through IModule methods
    
DESCRIPTION
   This is to demonstrate class functionality. This will be invoked by 
   the ExtUse applet.
      
PUBLIC CLASSES:  
   IExtension - AEECLSID_EXTENSION_CLS 0x01009021
        
INITIALIZATION AND SEQUENCING REQUIREMENTS:
   The following explanation applies to this sample containing one applet which serves
   as a base for app developers to create their own classes using IModule Services:
   

   In the applet source file (like this one), include AEEAppGen.h.

   Mandatory Sections in Applet Source (this file):
   -----------------------------------------------
   Following Mandatory Sections are required for each applet source file. 
   (Search for "Mandatory" to identify these sections)

   Includes:     
      Copy this section as-is from the sample applet. It contains:
      AEEAppGen.h: For AEEApplet declaration

   Type Declarations:
		A data structure must be defined to hold the app specific data (class members
		and VTables. In this structure, the first elements must be your VTable.

   Functions: (For more details, see corresponding function description in this applet)

      AEEClsCreateInstance(): creates an instance of the class and initializes it. 
                              It is called by AEEModGen when class is being created.

   
   Important Notes:
   ---------------
   1. DO NOT use any "static data" in the applet. Always use the functions exported by
	   AEEStdlib or by IHeap services to dynamically allocate data and make it a member of 
		the applet structure. 
   2. DO NOT include and link "standard C library". Use AEE Memory Services (in AEEHeap.h) and Standard Library macros(in AEEStdLib.h).
      For example, use MALLOC() to allocate memory, WSTRCPY() to make a copy of Unicode (wide) string.
   3. BREW is Unicode(wide string) compliant ONLY (no ISOLATIN1/ANSI) except for file names which are ISOLATIN1/ANSI.
      ALWAYS USE AECHAR instead of "char". Use string services provided in AEEStdLib.h for string manipulation.
   4. It is always a good idea to DEFINE RESOURCES using BREW ResourceEditor. Make Strings, Bitmaps, Dialogs, etc. 
      as resources. ResourceEditor saves resources as .bri file, generates resource header file 
      and compiles .bri into a .bar binary file, which can be used by the applet.

   Miscellanoeus Notes:
   -------------------
   1. Make sure that the class ID used for the app is the same as that defined corresponding in .MIF file
   2. Always make sure that compiled resource (.bar) file and corresponding
      resource header (a) reside in app directory and (b) are included in the applet code.
      Define a constant APP_RES_FILE containing the name of the compiled resource file (with .bar extension).

   More than one applet:
   --------------------
   If more than one applet needs to be defined, then do the following
   (1) Follow the above description for each applet




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