INIT.C

/******************************************************************************\ 
*       This is a part of the Microsoft Source Code Samples.  
*       Copyright 1993 - 1998 Microsoft Corporation. 
*       All rights reserved.  
*       This source code is only intended as a supplement to  
*       Microsoft Development Tools and/or WinHelp documentation. 
*       See these sources for detailed information regarding the  
*       Microsoft samples programs. 
\******************************************************************************/ 
 
/*---------------------------------------------------------------------------*\ 
| INITIALIZATION MODULE 
|   This module contains startup-routines for the creation of windows for this 
|   application. 
| 
|   RegisterAppClass 
|   UnregisterAppClass 
|   CreateAppWindow 
|   CreateMDIClientWindow 
| 
\*---------------------------------------------------------------------------*/ 
 
#include <windows.h> 
#include "gdidemo.h" 
#include "poly.h" 
#include "xform.h" 
#include "maze.h" 
#include "draw.h" 
#include "bounce.h" 
 
/*---------------------------------------------------------------------------*\ 
| REGISTER APPLICATION CLASS 
|   This routine registers all classes necessary for the application. 
\*---------------------------------------------------------------------------*/ 
BOOL FAR RegisterAppClass(HANDLE hInstance) 
{ 
    WNDCLASS wndClass; 
 
 
    /* 
    ** Set the common wndClass information.  This is common to all windows 
    ** of this application. 
    */ 
    wndClass.style         = CS_HREDRAW | CS_VREDRAW; 
    wndClass.cbClsExtra    = 0; 
    wndClass.cbWndExtra    = sizeof(LONG); 
    wndClass.hCursor       = LoadCursor(NULL,IDC_ARROW); 
    wndClass.hInstance     = hInstance; 
 
 
    /* 
    ** Register the main top-level window (frame). 
    */ 
    wndClass.lpfnWndProc   = WndProc; 
    wndClass.hIcon         = LoadIcon(hInstance,MAKEINTRESOURCE(APPICON)); 
    wndClass.hbrBackground = GetStockObject(WHITE_BRUSH); 
    wndClass.lpszMenuName  = MAKEINTRESOURCE(APPMENU); 
    wndClass.lpszClassName = APPCLASS; 
 
    if(!RegisterClass(&wndClass)) 
        return(FALSE); 
 
 
    /* 
    ** Register the polybezier demo window. 
    */ 
    wndClass.lpfnWndProc   = PolyProc; 
    wndClass.hIcon         = LoadIcon(NULL,IDI_APPLICATION); 
    wndClass.hbrBackground = GetStockObject(BLACK_BRUSH); 
    wndClass.lpszMenuName  = NULL; 
    wndClass.lpszClassName = POLYCLASS; 
 
    if(!RegisterClass(&wndClass)) 
    { 
        UnregisterClass(APPCLASS,hInstance); 
        return(FALSE); 
    } 
 
 
    /* 
    ** Register the xform demo window. 
    */ 
    wndClass.lpfnWndProc   = XFormProc; 
    wndClass.hIcon         = LoadIcon(NULL,IDI_APPLICATION); 
    wndClass.hbrBackground = GetStockObject(BLACK_BRUSH); 
    wndClass.lpszMenuName  = NULL; 
    wndClass.lpszClassName = XFORMCLASS; 
 
    if(!RegisterClass(&wndClass)) 
    { 
        UnregisterClass(APPCLASS ,hInstance); 
        UnregisterClass(POLYCLASS,hInstance); 
        return(FALSE); 
    } 
 
 
    /* 
    ** Register the maze demo window. 
    */ 
    wndClass.lpfnWndProc   = MazeProc; 
    wndClass.hIcon         = LoadIcon(NULL,IDI_APPLICATION); 
    wndClass.hbrBackground = GetStockObject(BLACK_BRUSH); 
    wndClass.lpszMenuName  = NULL; 
    wndClass.lpszClassName = MAZECLASS; 
 
    if(!RegisterClass(&wndClass)) 
    { 
        UnregisterClass(APPCLASS  ,hInstance); 
        UnregisterClass(POLYCLASS ,hInstance); 
        UnregisterClass(XFORMCLASS,hInstance); 
        return(FALSE); 
    } 
 
 
    /* 
    ** Register the random draw demo window. 
    */ 
    wndClass.lpfnWndProc   = DrawProc; 
    wndClass.hIcon         = LoadIcon(NULL,IDI_APPLICATION); 
    wndClass.hbrBackground = GetStockObject(WHITE_BRUSH); 
    wndClass.lpszMenuName  = NULL; 
    wndClass.lpszClassName = DRAWCLASS; 
 
    if(!RegisterClass(&wndClass)) 
    { 
        UnregisterClass(APPCLASS  ,hInstance); 
        UnregisterClass(POLYCLASS ,hInstance); 
        UnregisterClass(XFORMCLASS,hInstance); 
        UnregisterClass(MAZECLASS ,hInstance); 
        return(FALSE); 
    } 
 
 
    /* 
    ** Register the bouncing ball demo window. 
    */ 
    wndClass.lpfnWndProc   = BounceProc; 
    wndClass.hIcon         = LoadIcon(NULL,IDI_APPLICATION); 
    wndClass.hbrBackground = GetStockObject(WHITE_BRUSH); 
    wndClass.lpszMenuName  = NULL; 
    wndClass.lpszClassName = BOUNCECLASS; 
 
    if(!RegisterClass(&wndClass)) 
    { 
        UnregisterClass(APPCLASS  ,hInstance); 
        UnregisterClass(POLYCLASS ,hInstance); 
        UnregisterClass(XFORMCLASS,hInstance); 
        UnregisterClass(MAZECLASS ,hInstance); 
        UnregisterClass(DRAWCLASS ,hInstance); 
        return(FALSE); 
    } 
 
    return(TRUE); 
} 
 
 
/*---------------------------------------------------------------------------*\ 
| UNREGISTER APPLICATION CLASS 
|   This routine unregisters all classes registered for the application. 
|   It is typically called upon termination of the application. 
\*---------------------------------------------------------------------------*/ 
VOID FAR UnregisterAppClass(HANDLE hInstance) 
{ 
    UnregisterClass(APPCLASS   ,hInstance); 
    UnregisterClass(POLYCLASS  ,hInstance); 
    UnregisterClass(XFORMCLASS ,hInstance); 
    UnregisterClass(MAZECLASS  ,hInstance); 
    UnregisterClass(DRAWCLASS  ,hInstance); 
    UnregisterClass(BOUNCECLASS,hInstance); 
 
    return; 
} 
 
 
/*---------------------------------------------------------------------------*\ 
| CREATE APPLICATION WINDOW 
|   This routine creates the main top-level window. 
\*---------------------------------------------------------------------------*/ 
HWND FAR CreateAppWindow(HANDLE hInstance) 
{ 
    /* 
    ** Upon creation of the window, initialize the extra object information. 
    */ 
    return(CreateWindow(APPCLASS,APPTITLE,WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN, 
            CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT, 
            NULL,NULL,hInstance,NULL)); 
} 
 
 
/*---------------------------------------------------------------------------*\ 
| CREATE MDI CLIENT WINDOW 
|   This routine creates the client window which handles the MDI windows. 
|   The window will eventually be size to fit into the frame-window's client 
|   area. 
\*---------------------------------------------------------------------------*/ 
HWND FAR CreateMDIClientWindow(HWND hWndFrame) 
{ 
    HWND               hWndClient; 
    HANDLE             hInstance; 
    CLIENTCREATESTRUCT ccs; 
 
 
    /* 
    ** Initialize the client struct to point to define the menu and child 
    ** identifiers.  The menu item specifies the parent menu in which the 
    ** the list of MDI childs will be appended to this menu. 
    */ 
    ccs.hWindowMenu  = NULL; 
    ccs.idFirstChild = 0; 
 
 
    hInstance = GETINSTANCE(hWndFrame); 
 
    hWndClient = CreateWindow("MDICLIENT",NULL,WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE, 
            0,0,1,1,hWndFrame,NULL,hInstance,(LPVOID)&ccs); 
 
    return(hWndClient); 
}