/// <summary> /// GetFileTypeRegInfo 得到指定文件类型关联信息 /// </summary> public static FileTypeRegInfo GetFileTypeRegInfo(string extendName) { if (!FileTypeRegistered(extendName)) return null; try { FileTypeRegInfo regInfo = new FileTypeRegInfo(extendName); string relationName = extendName.Substring(1, extendName.Length - 1).ToUpper() + "_FileType"; RegistryKey relationKey = Microsoft.Win32.Registry.ClassesRoot.OpenSubKey(relationName); regInfo.Description = relationKey.GetValue("").ToString(); RegistryKey iconKey = relationKey.OpenSubKey("DefaultIcon"); regInfo.IcoPath = iconKey.GetValue("").ToString(); RegistryKey shellKey = relationKey.OpenSubKey("Shell"); RegistryKey openKey = shellKey.OpenSubKey("Open"); RegistryKey commandKey = openKey.OpenSubKey("Command"); string temp = commandKey.GetValue("").ToString(); regInfo.ExePath = temp.Substring(0, temp.Length - 3); return regInfo; } catch (Exception ex) { throw new Exception("得到后缀名关联错误。" + ex.Message); } }
/// <summary> /// UpdateFileTypeRegInfo 更新指定文件类型关联信息 /// </summary> public static bool UpdateFileTypeRegInfo(FileTypeRegInfo regInfo) { if (!FileTypeRegistered(regInfo.ExtendName)) return false; try { string extendName = regInfo.ExtendName; string relationName = extendName.Substring(1, extendName.Length - 1).ToUpper() + "_FileType"; RegistryKey relationKey = Microsoft.Win32.Registry.ClassesRoot.OpenSubKey(relationName, true); relationKey.SetValue("", regInfo.Description); RegistryKey iconKey = relationKey.OpenSubKey("DefaultIcon", true); iconKey.SetValue("", regInfo.IcoPath); RegistryKey shellKey = relationKey.OpenSubKey("Shell"); RegistryKey openKey = shellKey.OpenSubKey("Open"); RegistryKey commandKey = openKey.OpenSubKey("Command", true); commandKey.SetValue("", regInfo.ExePath + " %1"); relationKey.Close(); return true; } catch (Exception ex) { throw new Exception("更新后缀名关联错误。" + ex.Message); } }
/// <summary> /// RegisterFileType 使文件类型与对应的图标及应用程序关联起来。 /// </summary> public static void RegisterFileType(FileTypeRegInfo regInfo) { if (FileTypeRegistered(regInfo.ExtendName)) return; try { string relationName = regInfo.ExtendName.Substring(1, regInfo.ExtendName.Length - 1).ToUpper() + "_FileType"; RegistryKey fileTypeKey = Microsoft.Win32.Registry.ClassesRoot.CreateSubKey(regInfo.ExtendName); fileTypeKey.SetValue("", relationName); fileTypeKey.Close(); RegistryKey relationKey = Microsoft.Win32.Registry.ClassesRoot.CreateSubKey(relationName); relationKey.SetValue("", regInfo.Description); RegistryKey iconKey = relationKey.CreateSubKey("DefaultIcon"); iconKey.SetValue("", regInfo.IcoPath); RegistryKey shellKey = relationKey.CreateSubKey("Shell"); RegistryKey openKey = shellKey.CreateSubKey("Open"); RegistryKey commandKey = openKey.CreateSubKey("Command"); commandKey.SetValue("", regInfo.ExePath + " %1"); relationKey.Close(); } catch (Exception ex) { throw new Exception("设置后缀名关联错误。" + ex.Message); } }