快讯

	首页 > 软件 > 开发特区 > 开发语言 > VC/MFC > 正文	世界杯

如何实现提取并保存图标资源

2004-02-14 09:34 出处：PConline 作者：Future Studio.徐景周 责任编辑：zwg

在本页浏览全文

下面让我们来看看如何来具体用它们来实现： 1、提取并显示出图标到左侧列表框中。 代码实现如下： //读取各种资源内部图标并显示在左侧列表框中 void CIconSnapDlg::OnOK() { CFileDialog fileDialog( TRUE,"*.ICO",NULL,NULL,"资源文件(*.ICO,*.BMP,*.EXE,*.DLL,*.ICL)|*.ICO;*.BMP;*.EXE;*.DLL;*.ICL||"); if (fileDialog.DoModal() == IDOK) { szOpenFileName=fileDialog.GetPathName(); szOpenFileExtName= fileDialog.GetFileExt (); szOpenFileExtName.MakeLower (); m_List.ResetContent (); //选清空左侧图标列表框 //读取并显示ICON文件 if(szOpenFileExtName =="ico") { lpIR=pIcons->ReadIconFromICOFile (szOpenFileName); HICON hIcon; hIcon=ExtractIcon(AfxGetInstanceHandle(),szOpenFileName,0); if(hIcon!=NULL) m_List.AddString (szOpenFileName); CStatic* pStatic = (CStatic*) GetDlgItem(IDC_ICONS); pStatic->SetIcon (hIcon); } else if(szOpenFileExtName == "bmp") //读取并显示BMP文件 { pIcons->IconImageFromBMPFile (szOpenFileName,&lpIR->IconImages[0],TRUE); HICON hIcon; hIcon=pIcons->MakeIconFromResource (&lpIR->IconImages [0]); if(hIcon!=NULL) m_List.AddString (szOpenFileName); CStatic* pStatic = (CStatic*) GetDlgItem(IDC_ICONS); pStatic->SetIcon (hIcon); } else //读取并显示EXE、DLL等资源文件 { HINSTANCE hLibrary; // Load the DLL/EXE - NOTE: must be a 32bit EXE/DLL for this to work if( (hLibrary = LoadLibraryEx( szOpenFileName, NULL, LOAD_LIBRARY_AS_DATAFILE )) == NULL ) { // Failed to load - abort MessageBox( szOpenFileName+ "文件载入错误，必须是WIN32的文件!", "错误", MB_OK ); return; } // Store the info EDII.szFileName =szOpenFileName; EDII.hInstance = hLibrary; // Fill in the listbox with the icons available if( ! EnumResourceNames( EDII.hInstance, RT_GROUP_ICON, (ENUMRESNAMEPROC )MyEnumProcedure, (LPARAM)GetSafeHwnd()) ) { MessageBox( "列举图标资源名时出错!", "错误", MB_OK ); return; } } m_List.SetCurSel (0); if( m_List.GetCount() == 0 ) { MessageBox( "此文件中没有图标资源!", "错误", MB_OK ); //无图标资源，置保存和复制按钮为无效状态 m_Copy.EnableWindow (false); m_SaveAs.EnableWindow (false); return; } //有图标资源，置保存和复制按钮为有效状态 m_Copy.EnableWindow (true); m_SaveAs.EnableWindow (true); //刷新调用OnPaint来显示图标 InvalidateRect(NULL,TRUE); } } 在OnPaint()涵数中加入下面代码用来具体显示提取出的图标或位图资源。 //根据左侧图标列表，利用OnPaint()来更新右侧相应图标 LPTSTR lpIconID; HICON hIcon; if((lpIconID=(LPTSTR)m_List.GetItemData(m_List.GetCurSel()))!=(LPTSTR)LB_ERR ) { if(szOpenFileExtName=="exe"||szOpenFileExtName=="dll"||szOpenFileExtName=="icl") { hIcon=pIcons->GetIconFromInstance(EDII.hInstance,lpIconID); CStatic* pStatic = (CStatic*) GetDlgItem(IDC_ICONS); pStatic->SetIcon (hIcon); } }