/// <summary>
/// 使文件类型与对应的图标及应用程序关联起来。
/// </summary>
/// <param name="regInfo">regInfo</param>
public static void RegisterFileType(this FileTypeRegInfo regInfo)
{
if (regInfo.FileTypeRegistered())
{
return;
}
string relationName = regInfo.ExtendName.Right(regInfo.ExtendName.Length - 1).ToUpper() + "_FileType";
RegistryKey fileTypeKey = Registry.ClassesRoot.CreateSubKey(regInfo.ExtendName);
if (fileTypeKey != null)
{
fileTypeKey.SetValue("", relationName);
fileTypeKey.Close();
}
RegistryKey relationKey = Registry.ClassesRoot.CreateSubKey(relationName);
if (relationKey == null)
{
return;
}
relationKey.SetValue("", regInfo.Description);
RegistryKey iconKey = relationKey.CreateSubKey("DefaultIcon");
if (iconKey != null)
{
iconKey.SetValue("", regInfo.IcoPath);
iconKey.Close();
}
RegistryKey shellKey = relationKey.CreateSubKey("Shell");
if (shellKey != null)
{
RegistryKey openKey = shellKey.CreateSubKey("Open");
if (openKey != null)
{
RegistryKey commandKey = openKey.CreateSubKey("Command");
if (commandKey != null)
{
commandKey.SetValue("", regInfo.ExePath + " %1");
commandKey.Close();
}
openKey.Close();
}
shellKey.Close();
}
relationKey.Close();
}
/// <summary>
/// 得到指定文件类型关联信息
/// </summary>
/// <param name="regInfo">regInfo</param>
/// <returns>结果</returns>
public static FileTypeRegInfo GetFileTypeRegInfo(this FileTypeRegInfo regInfo)
{
string relationName = regInfo.ExtendName.Right(regInfo.ExtendName.Length - 1).ToUpper() + "_FileType";
RegistryKey relationKey = Registry.ClassesRoot.OpenSubKey(relationName);
if (relationKey == null)
{
return(regInfo);
}
regInfo.Description = relationKey.GetValue("").ToString();
RegistryKey iconKey = relationKey.OpenSubKey("DefaultIcon");
if (iconKey != null)
{
regInfo.IcoPath = iconKey.GetValue("").ToString();
RegistryKey shellKey = relationKey.OpenSubKey("Shell");
if (shellKey != null)
{
RegistryKey openKey = shellKey.OpenSubKey("Open");
if (openKey != null)
{
RegistryKey commandKey = openKey.OpenSubKey("Command");
if (commandKey != null)
{
string temp = commandKey.GetValue("").ToString();
regInfo.ExePath = temp.Left(temp.Length - 3);
commandKey.Close();
}
openKey.Close();
}
shellKey.Close();
}
iconKey.Close();
}
relationKey.Close();
return(regInfo);
}
/// <summary>
/// FileTypeRegistered 指定文件类型是否已经注册
/// </summary>
/// <param name="regInfo">regInfo</param>
/// <returns>结果</returns>
public static bool FileTypeRegistered(this FileTypeRegInfo regInfo)
{
FileTypeRegInfo info = new FileTypeRegInfo(regInfo.ExtendName).GetFileTypeRegInfo();
return(info != null && info.ExePath == regInfo.ExePath);
}