PostQuitMessage( 0 );
}
/////////////////////////////////
VOID InterruptSaver()
{
    BOOL bPasswordOkay = FALSE;
    if( g_SaverMode == sm_test ||
        g_SaverMode == sm_full&&!g_bCheckingSaverPassword )
    {
        if( g_bIs9x && g_SaverMode == sm_full )
        {
            // Win9x下如果g_VerifySaverPassword==NULL,则没有设屏保密码。
            if ( g_VerifySaverPassword != NULL )
            {
               
                      g_bCheckingSaverPassword = TRUE;//告诉消息响应函数正在验证密码
                bPasswordOkay = g_VerifySaverPassword( g_hWnd );
                                                     g_bCheckingSaverPassword = FALSE; //密码验证结束。

                if ( !bPasswordOkay )
                {
                   //屏保程序继续运行…
                    SetCursor( NULL );
                    g_dwSaverMouseMoveCount = 0;

                    return;
                }
            }
        }

        ShutdownSaver();
    }
}

屏保设置方式下的响应程序为自定义Doconfig( ),因篇幅的关系不再详细介绍，读者应当很容易自己加上,也可以定义为空函数：VOID Doconfig ( ) { return;}。

黑屏屏幕保护程序主入口函数如下：

#include <windows.h>
#include <windowsx.h>
#include <tchar.h>
#include <stdio.h>
#include <stdlib.h>
#include <regstr.h>
#include "Saver.h"
#include "resource.h"

HINSTANCE g_hinstance;
HWND g_hWndParent;
BOOL  g_bWaitForInputIdle;
HWND g_hWnd;

LRESULT CALLBACK SaverProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );

int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
                          // TODO: Place code here.
   
                           MSG msg;

                           g_bCheckingSaverPassword = FALSE;
                g_bIs9x = FALSE;
                g_dwSaverMouseMoveCount = 0;
                g_hWndParent = NULL;
                g_hPasswordDLL = NULL;
                g_hWnd = NULL;
                g_VerifySaverPassword = NULL;
                g_hinstance=hInstance;
   

                           WNDCLASS    cls;
                cls.hCursor = LoadCursor( NULL, IDC_ARROW );
                cls.hIcon = LoadIcon( hInstance, MAKEINTRESOURCE(IDI_MAIN_ICON) );
                cls.lpszMenuName = NULL;
                cls.lpszClassName = TEXT("SaverWndClass");
                cls.hbrBackground = (HBRUSH) GetStockObject(BLACK_BRUSH);
                cls.hInstance = hInstance;
                cls.style = CS_VREDRAW|CS_HREDRAW;
                cls.lpfnWndProc = SaverProc;
                cls.cbWndExtra = 0;
                cls.cbClsExtra = 0;

             if(!RegisterClass( &cls ))
                                    MessageBox(NULL,TEXT("Cant register window class"),TEXT("SaverWndClass"),MB_ICONERROR)；

   
                           SetThreadPriority( GetCurrentThread(), THREAD_PRIORITY_IDLE );
                TCHAR* pstrCmdLine = GetCommandLine();
                           g_SaverMode = ParseCommandLine(pstrCmdLine);

                           switch(g_SaverMode)
                           {
      
                           case sm_preview:
                           case sm_full:
                           case sm_test:

                               g_hWnd=CreateSaverWindow(g_SaverMode,g_hWndParent,hInstance);
                          
                               if ( g_hWnd == NULL )
                                       {
                                                     &n

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