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Text File | 1993-07-13 | 30.5 KB | 1,050 lines

/****************************************************************************** * * Module Name: WPSTUTOR * * Description: OS/2 Work Place Shell Sample Program * * This class subclasses the WPDataFile class. Most WPS * instance and class methods are overridden to invoke * 'DisplayMethodInfo'. This function uses a named pipe * to communicate with the 'Show Method Description' * (SHOWDESC.EXE) program, which displays the name and a * description of the method that invoked * 'DisplayMethodInfo'. * * Copyright (C) 1993 IBM Corporation * * DISCLAIMER OF WARRANTIES. The following [enclosed] code is * sample code created by IBM Corporation. This sample code is not * part of any standard or IBM product and is provided to you solely * for the purpose of assisting you in the development of your * applications. The code is provided "AS IS", without * warranty of any kind. IBM shall not be liable for any damages * arising out of your use of the sample code, even if they have been * advised of the possibility of such damages. * * ******************************************************************************/ ### Note: The header preceding this comment will be emitted in all files. ### ### Any comments to go public should be preceded with '--' ### Any comments to remain private should be preceded with '#' #****************************************************************************** # Include the class definition file for the parent class #****************************************************************************** include <wpdataf.sc> #****************************************************************************** # Define the new class #****************************************************************************** class: WPSTutorial, # Class name file stem = wpstutor, # Name for SOM-generated files function prefix = wpstut_, # Method function name prefix classprefix = wpstutM_, # Class method name prefix major version = 1, minor version = 1, local; # Use "" for include files -- -- CLASS: WPSTutorial -- -- CLASS HIERARCHY: -- -- SOMObject -- └── WPObject -- └── WPFileSystem -- └── WPDataFile -- └── WPSTutorial -- -- DESCRIPTION: -- -- This is the sample WPS tutorial object class. This class subclasses -- the WPDataFile class. Most WPS instance and class methods are -- overridden to invoke 'DisplayMethodInfo'. This function uses a named -- pipe to communicate with the 'Show Method Description' (SHOWDESC.EXE) -- program, which displays the name and a description of the method that -- invoked 'DisplayMethodInfo'. -- -- An instance of this class can be created as a Workplace object. -- #****************************************************************************** # Specify the parent class #****************************************************************************** parent: WPDataFile; #****************************************************************************** # Specify the release order of new methods. This ensures binary # compatability if we change the order of our methods in .c and .csc files. #****************************************************************************** release order: DisplayTitleInfo, clsQueryModuleHandle; #****************************************************************************** # Passthru PRIVATE definitions to the .ph file #****************************************************************************** passthru: C.ph; /* ** The following structure is used to store window specific data ** and a pointer to the object that created the window. ** ** This structure is allocated when the Client window is created. ** This allows us to pass the *somSelf pointer and use it in our window ** and dialog procedures (the system only passes this pointer to ** methods). */ typedef struct _WINDOWDATA { USHORT cb; /* size of this structure */ WPSTutorial *somSelf; /* pointer to this instance */ USEITEM UseItem; /* global class usage information */ VIEWITEM ViewItem; /* global class view information */ } WINDOWDATA; typedef WINDOWDATA *PWINDOWDATA; /* ** Private debug helpers go here. They can be enabled or disabled by ** defining DEBUG as a compiler directive. */ #if defined(DEBUG) #define DebugBox(title, text) \ \ WinMessageBox( \ HWND_DESKTOP, \ HWND_DESKTOP, \ (PSZ) text, \ (PSZ) title, \ 20, \ MB_OK | MB_INFORMATION | MB_MOVEABLE) #else #define DebugBox(title, text) /* do nothing if not debugging */ #endif endpassthru; #****************************************************************************** # Passthru IMPLEMENTATION definitions to the .ih file #****************************************************************************** passthru: C.ih; #define INCL_WIN #define INCL_DOS #define INCL_WPCLASS #include <os2.h> #include <stdlib.h> #include <string.h> /* ** The following user-defined Popup menu items (ID_xxx) should be higher ** than WPMENUID_USER. ** ** The ID_OPENMENU will become a submenu of the system's popup open menu ** id, WPMENUID_OPEN. */ #define ID_OPENMENU (WPMENUID_USER+1) /* "Open" item in context menu */ #define IDM_OPENTUT (WPMENUID_USER+2) /* "Open tutorial" item added */ /* to "Open" menu */ #define ID_ICON 101 /* Icon for the WPSTutorial class*/ /* ** Window IDs */ #define ID_FRAME 3000 /* Client window ID for the */ /* "open" view */ /* ** Unique view IDs */ #define OPEN_TUTORIAL ID_OPENMENU /* "Open tutorial" view ID */ endpassthru; #****************************************************************************** # Passthru PUBLIC definitions to the .h file #****************************************************************************** passthru: C.h; endpassthru; #****************************************************************************** # Define instance data #****************************************************************************** # data: #****************************************************************************** # Define new methods #****************************************************************************** methods: HWND DisplayTitleInfo(); -- -- METHOD: DisplayTitleInfo ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method handles the processing of the "Open tutorial" menu item -- in the "Open" menu of the object's context menu. The method creates a -- PM window in order to display the (backwards) title of the object in -- the window's title bar. -- -- RETURN: -- -- HWND - Handle to the window created -- #****************************************************************************** # Specify methods being overridden #****************************************************************************** override wpAddFileMenuPage; -- -- METHOD: wpAddFileMenuPage ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpAddFileTypePage; -- -- METHOD: wpAddFileTypePage ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpAddFile1Page; -- -- METHOD: wpAddFile1Page ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpAddFile2Page; -- -- METHOD: wpAddFile2Page ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpAddFile3Page; -- -- METHOD: wpAddFile3Page ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpAddObjectGeneralPage; -- -- METHOD: wpAddObjectGeneralPage ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpAddSettingsPages; -- -- METHOD: wpAddSettingsPages ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpAddToObjUseList; -- -- METHOD: wpAddToObjUseList ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpAllocMem; -- -- METHOD: wpAllocMem ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpClose; -- -- METHOD: wpClose ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpCopiedFromTemplate; -- -- METHOD: wpCopiedFromTemplate ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpCopyObject; -- -- METHOD: wpCopyObject ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpCreateFromTemplate; -- -- METHOD: wpCreateFromTemplate ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpCreateShadowObject; -- -- METHOD: wpCreateShadowObject ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpDelete; -- -- METHOD: wpDelete ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpDeleteFromObjUseList; -- -- METHOD: wpDeleteFromObjUseList ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpDoesObjectMatch; -- -- METHOD: wpDoesObjectMatch ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpDraggedOverObject; -- -- METHOD: wpDraggedOverObject ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpDragOver; -- -- METHOD: wpDragOver ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpDrop; -- -- METHOD: wpDrop ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpDroppedOnObject; -- -- METHOD: wpDroppedOnObject ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpEndConversation; -- -- METHOD: wpEndConversation ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpFilterPopupMenu; -- -- METHOD: wpFilterPopupMenu ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpFindUseItem; -- -- METHOD: wpFindUseItem ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpFormatDragItem; -- -- METHOD: wpFormatDragItem ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpFree; -- -- METHOD: wpFree ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to disconnect and close the named pipe -- created to communicate with the 'Show Method Description' -- (SHOWDESC.EXE) program. This method also kills that program. -- override wpFreeMem; -- -- METHOD: wpFreeMem ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpHide; -- -- METHOD: wpHide ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpInitData; -- -- METHOD: wpInitData ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpInsertPopupMenuItems; -- -- METHOD: wpInsertPopupMenuItems ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpInsertSettingsPage; -- -- METHOD: wpInsertSettingsPage ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpMenuItemSelected; -- -- METHOD: wpMenuItemSelected ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- In addition, this method processes the input from the -- "Open tutorial" menu item added by this class. -- override wpModifyPopupMenu; -- -- METHOD: wpModifyPopupMenu ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- In addition, this method adds the "Open tutorial" item to the -- "Open" menu of the object's context menu, -- override wpOpen; -- -- METHOD: wpOpen ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- In addition, this method displays the current open view for the -- object. If no view is open, a new open view is created. -- override wpQueryConfirmations; -- -- METHOD: wpQueryConfirmations ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpQueryDefaultView; -- -- METHOD: wpQueryDefaultView ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpQueryDetailsData; -- -- METHOD: wpQueryDetailsData ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpQueryHandle; -- -- METHOD: wpQueryHandle ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpQueryIcon; -- -- METHOD: wpQueryIcon ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpQueryIconData; -- -- METHOD: wpQueryIconData ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpQueryRealName; -- -- METHOD: wpQueryRealName ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpQueryStyle; -- -- METHOD: wpQueryStyle ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpQueryTitle; -- -- METHOD: wpQueryTitle ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpQueryType; -- -- METHOD: wpQueryType ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpRegisterView; -- -- METHOD: wpRegisterView ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpRender; -- -- METHOD: wpRender ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpRenderComplete; -- -- METHOD: wpRenderComplete ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpRestore; -- -- METHOD: wpRestore ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpRestoreData; -- -- METHOD: wpRestoreData ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpRestoreLong; -- -- METHOD: wpRestoreLong ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpRestoreState; -- -- METHOD: wpRestoreState ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- In addition, this method queries the title to "force" all views of -- the object's title to be backwards upon IPL. -- override wpRestoreString; -- -- METHOD: wpRestoreString ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpSaveData; -- -- METHOD: wpSaveData ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpSaveDeferred; -- -- METHOD: wpSaveDeferred ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpSaveImmediate; -- -- METHOD: wpSaveImmediate ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpSaveLong; -- -- METHOD: wpSaveLong ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpSaveState; -- -- METHOD: wpSaveState ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpSaveString; -- -- METHOD: wpSaveString ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpSetDefaultView; -- -- METHOD: wpSetDefaultView ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpSetIcon; -- -- METHOD: wpSetIcon ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpSetIconData; -- -- METHOD: wpSetIconData ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpSetRealName; -- -- METHOD: wpSetRealName ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpSetStyle; -- -- METHOD: wpSetStyle ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpSetTitle; -- -- METHOD: wpSetTitle ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- In addition, this method reverses the title supplied by -- the user. -- override wpSetType; -- -- METHOD: wpSetType ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpSetup; -- -- METHOD: wpSetup ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpSwitchTo; -- -- METHOD: wpSwitchTo ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpUnlockObject; -- -- METHOD: wpUnlockObject ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpUnInitData; -- -- METHOD: wpUnInitData ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- #****************************************************************************** # Define new class methods #****************************************************************************** HMODULE clsQueryModuleHandle(), class; -- -- METHOD: clsQueryModuleHandle -- -- DESCRIPTION: -- -- This method obtains and returns the module handle for the object class. -- -- RETURN: -- -- 0 - Unsuccessful execution -- Non-zero - Module handle -- #****************************************************************************** # Specify class methods being overridden #****************************************************************************** override wpclsCreateDefaultTemplates, class; -- -- METHOD: wpclsCreateDefaultTemplates -- -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpclsFindObjectEnd, class; -- -- METHOD: wpclsFindObjectEnd -- -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpclsFindObjectFirst, class; -- -- METHOD: wpclsFindObjectFirst -- -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpclsFindObjectNext, class; -- -- METHOD: wpclsFindObjectNext -- -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpclsInitData, class; -- -- METHOD: wpclsInitData -- -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- In addition, this method initializes the DLL module handle. -- override wpclsMakeAwake, class; -- -- METHOD: wpclsMakeAwake -- -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpclsNew, class; -- -- METHOD: wpclsNew -- -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpclsQueryDefaultView, class; -- -- METHOD: wpclsQueryDefaultView -- -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- In addition, this method is overridden to make the default open -- view of the instances of this class to the "Open tutorial" view. -- override wpclsQueryDetails, class; -- -- METHOD: wpclsQueryDetails -- -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpclsQueryDetailsInfo, class; -- -- METHOD: wpclsQueryDetailsInfo -- -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpclsQueryFolder, class; -- -- METHOD: wpclsQueryFolder -- -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpclsQueryIcon, class; -- -- METHOD: wpclsQueryIcon -- -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpclsQueryIconData, class; -- -- METHOD: wpclsQueryIconData ( ) PRIVATE -- (X) PUBLIC -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- In addition, the method is overridden to define the icon -- for the class. -- override wpclsQueryInstanceFilter, class; -- -- METHOD: wpclsQueryInstanceFilter -- -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpclsQueryInstanceType, class; -- -- METHOD: wpclsQueryInstanceType -- -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpclsQueryObject, class; -- -- METHOD: wpclsQueryObject -- -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpclsQuerySettingsPageSize, class; -- -- METHOD: wpclsQuerySettingsPageSize -- -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpclsQueryStyle, class; -- -- METHOD: wpclsQueryStyle -- -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpclsQueryTitle, class; -- -- METHOD: wpclsQueryTitle -- -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. -- override wpclsUnInitData, class; -- -- METHOD: wpclsUnInitData -- -- DESCRIPTION: -- -- This method is overridden to invoke 'DisplayMethodInfo'. --