[翻译]-WinCE 程序设计 (3rd 版)--2.2 输出文本[3]

TextDemo.cpp
//================================================================
// TextDemo - Text output demo
//
// Written for the book Programming Windows CE
// Copyright (C) 2003 Douglas Boling
//======================================================================
#include <windows.h>                 // For all that Windows stuff
#include "TextDemo.h"                // Program-specific stuff
  
//----------------------------------------------------------------------
// Global data
//
const TCHAR szAppName[] = TEXT ("TextDemo");
HINSTANCE hInst;                     // Program instance handle
  
// Message dispatch table for MainWindowProc
const struct decodeUINT MainMessages[] = {
    WM_PAINT, DoPaintMain,
    WM_DESTROY, DoDestroyMain,
};
//======================================================================
// Program Entry Point
//
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
                    LPWSTR lpCmdLine, int nCmdShow) {
    MSG msg;
    int rc = 0;
    HWND hwndMain;
  
    // Initialize this instance.
    hwndMain = InitInstance (hInstance, lpCmdLine, nCmdShow);
    if (hwndMain == 0)
        return 0x10;
  
     // Application message loop
    while (GetMessage (&msg, NULL, 0, 0)) {
        TranslateMessage (&msg);
        DispatchMessage (&msg);
    }
    // Instance cleanup
    return TermInstance (hInstance, msg.wParam);
}
//----------------------------------------------------------------------
// InitInstance - Instance initialization
//
HWND InitInstance (HINSTANCE hInstance, LPWSTR lpCmdLine, int nCmdShow){
    WNDCLASS wc;
    HWND hWnd;
  
    hInst = hInstance;   // Save handle in global variable.
  
#if defined(WIN32_PLATFORM_PSPC)
    // If Pocket PC, allow only one instance of the application.
    hWnd = FindWindow (szAppName, NULL);
    if (hWnd) {
        SetForegroundWindow ((HWND)(((DWORD)hWnd) | 0x01));   
        return 0;
    }
#endif   
    // Register application main window class.
    wc.style = 0;                             // Window style
    wc.lpfnWndProc = MainWndProc;             // Callback function
    wc.cbClsExtra = 0;                        // Extra class data
    wc.cbWndExtra = 0;                        // Extra window data
    wc.hInstance = hInstance;                 // Owner handle
    wc.hIcon = NULL,                          // Application icon
    wc.hCursor = LoadCursor (NULL, IDC_ARROW);// Default cursor
    wc.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH);
    wc.lpszMenuName =  NULL;                  // Menu name
    wc.lpszClassName = szAppName;             // Window class name
  
    if (RegisterClass (&wc) == 0) return 0;
  
    // Create main window.
  &nbs