CHOURGLS.CPP

/* 
 * CHOURGLS.CPP 
 * Sample Code Class Libraries 
 * 
 * Implementation of the CHourglass class. 
 * 
 * Copyright (c)1993-1996 Microsoft Corporation, All Rights Reserved 
 * 
 * Kraig Brockschmidt, Software Design Engineer 
 * Microsoft Systems Developer Relations 
 * 
 * Internet  :  kraigb@microsoft.com 
 * Compuserve:  >INTERNET:kraigb@microsoft.com 
 */ 
 
 
#include <windows.h> 
#include "classlib.h" 
 
 
/* 
 * CHourglass::CHourglass 
 * CHourglass::~CHourglass 
 * 
 * Constructor Parameters (optional): 
 *  hWnd            HWND of a window that wants capture.  Can 
 *                  be NULL in which case it is ignored. 
 */ 
 
CHourglass::CHourglass(void) 
    { 
    m_hCur=SetCursor(LoadCursor(NULL, IDC_WAIT)); 
    m_hWndCapture=NULL; 
    return; 
    } 
 
CHourglass::CHourglass(HWND hWnd) 
    { 
    m_hCur=SetCursor(LoadCursor(NULL, IDC_WAIT)); 
 
    if (NULL!=hWnd) 
        { 
        m_hWndCapture=hWnd; 
        SetCapture(hWnd); 
        } 
 
    return; 
    } 
 
 
CHourglass::~CHourglass(void) 
    { 
    if (NULL!=m_hWndCapture) 
        ReleaseCapture(); 
 
    SetCursor(m_hCur); 
    return; 
    }