www.gusucode.com > 一个VC++ GUI测试程序-源码程序 > 一个VC++ GUI测试程序-源码程序/code/DynLine.cpp
//Download by http://www.NewXing.com // DynLine.cpp : implementation file // #include "stdafx.h" #include "resource.h" #include "DynLine.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif LONG g_lDisplay = 0; HANDLE g_hEnd; UINT DispThread(LPVOID lpParam) { CDynLine* pWnd = (CDynLine*)lpParam; CClientDC dcClient(pWnd); CDC dcMem; dcMem.CreateCompatibleDC(&dcClient); BITMAP bits; pWnd->m_bmp.GetBitmap(&bits); CBitmap *pBmp = (CBitmap*)dcMem.SelectObject( pWnd->m_bmp ); CSize size(0,0); while(g_lDisplay) { if( size.cx<bits.bmWidth ) size.cx +=2; else size.cx = 0; dcClient.BitBlt( 0,0,size.cx,bits.bmHeight,&dcMem,(bits.bmWidth-size.cx),0,SRCCOPY); dcClient.BitBlt( size.cx,0,(bits.bmWidth-size.cx),bits.bmHeight,&dcMem,0,0,SRCCOPY); Sleep( 20 ); } // SetEvent( g_hEnd ); return 1; } ///////////////////////////////////////////////////////////////////////////// // CDynLine CDynLine::CDynLine() { m_bmp.LoadBitmap( IDB_DYNLINE ); } CDynLine::~CDynLine() { if( g_lDisplay ) Stop(); } BEGIN_MESSAGE_MAP(CDynLine, CStatic) //{{AFX_MSG_MAP(CDynLine) ON_WM_CREATE() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CDynLine message handlers int CDynLine::OnCreate(LPCREATESTRUCT lpCreateStruct) { if (CStatic::OnCreate(lpCreateStruct) == -1) return -1; // TODO: Add your specialized creation code here Start(); return 0; } void CDynLine::Start() { InterlockedIncrement(&g_lDisplay); AfxBeginThread(DispThread,this); // g_hEnd = CreateEvent( NULL,TRUE,FALSE,NULL); } void CDynLine::Stop() { InterlockedDecrement(&g_lDisplay); // WaitForSingleObject( g_hEnd,INFINITE); }