/// <summary>
/// RegisterFileType 使文件类型与对应的图标及应用程序关联起来。
/// </summary>
/// <param name="regInfo"></param>
public static void RegisterFileType(FileTypeRegInfo regInfo)
{
if (FileTypeRegistered(regInfo.ExtendName))
{
UpdateFileTypeRegInfo(regInfo);
return;
}
string relationName = regInfo.ExtendName.Substring(1, regInfo.ExtendName.Length - 1).ToUpper() + "_FileType";
RegistryKey fileTypeKey = Registry.ClassesRoot.CreateSubKey(regInfo.ExtendName);
fileTypeKey.SetValue("", relationName);
fileTypeKey.Close();
RegistryKey relationKey = 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();
}
/// <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);
}
FileTypeRegInfo regInfo = new FileTypeRegInfo(extendName);
string relationName = extendName.Substring(1, extendName.Length - 1).ToUpper() + "_FileType";
RegistryKey relationKey = 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);
}
/// <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);
}
string extendName = regInfo.ExtendName;
string relationName = extendName.Substring(1, extendName.Length - 1).ToUpper() + "_FileType";
RegistryKey relationKey = 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);
}