//加載GIF文件void COutputGIFDlg::OnBrowse(){ CFileDialog flDlg(TRUE, "", "", OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,   "GIF|*.gif;||");//定義文件打開對話框 if (flDlg.DoModal() == IDOK) { CString szText; szText = flDlg.GetPathName(); m_FileName.SetWindowText(szText); m_pBmp = Bitmap::FromFile(szText.AllocSysString()); //加載GIF圖像 szText.ReleaseBuffer(); m_nCount = m_pBmp->GetFrameDimensionsCount(); //獲取幀維數 GUID *pGuids = new GUID[m_nCount]; //定義一個GUID數組 m_pBmp->GetFrameDimensionsList(pGuids,m_nCount); //獲取圖像幀的GUID m_FrameCount = m_pBmp->GetFrameCount(pGuids); //獲取GIF幀數 UINT nSize; //定義一個整型變量 m_nCount = 0; //初始化成員變量 m_pBmp->GetPropertySize(&nSize, &m_nDelay); //獲取屬性大小 PropertyItem *pItem = NULL; //定義屬性指針 pItem = (PropertyItem*)malloc(nSize); //為屬性指針分配合適的空間 m_pBmp->GetAllPropertyItems(nSize, m_nDelay, pItem);//獲取屬性信息 m_nDelay = ((long*)pItem->value)[0]; //獲取第一幀的延時 free(pItem); //釋放屬性對象 delete [] pGuids; //釋放GUID m_nIndex = 0; //初始化成員變量 KillTimer(1); SetTimer(1, 300, NULL); }}void COutputGIFDlg::OnTimer(UINT nIDEvent){ GUID Guid = FrameDimensionTime; //定義一個GUID CDC* pDC = GetDC(); //獲取窗口的設備上下文 //定義一個內存畫布 CMemDC dc(pDC, CRect(20, 50, m_pBmp->GetWidth()+20, m_pBmp->GetHeight()+50)); Graphics gh(dc.m_hDC); //定義一個圖像對象 //向設備上下文中繪制圖像 gh.DrawImage(m_pBmp, 0, 0, m_pBmp->GetWidth(), m_pBmp->GetHeight()); m_pBmp->SelectActiveFrame(&Guid, m_nIndex++);//設置下一幀 if(m_nIndex == m_FrameCount) //判斷當前幀是否為尾幀  m_nIndex = 0; //將當前幀設置為第一幀 CDialog::OnTimer(nIDEvent);}void COutputGIFDlg::OnCancel(){ if (m_pBmp != NULL) { delete m_pBmp; m_pBmp = NULL; } CDialog::OnCancel();}