public static string GetRandomFileName(string directory)
{
ChoGuard.ArgumentNotNullOrEmpty(directory, "Directory");
if (!Directory.Exists(directory))
{
throw new ChoApplicationException(String.Format("'{0}' directory not found.", directory));
}
string fileName = null;
do
{
fileName = Path.Combine(directory, ChoPath.GetRandomFileName());
if (File.Exists(fileName))
{
continue;
}
else
{
break;
}
}while (true);
return(fileName);
}
public static string ToShortName(string longName)
{
if (longName.IsNullOrWhiteSpace())
{
return(longName);
}
StringBuilder s = new StringBuilder(1000);
longName = ChoPath.GetFullPath(longName);
uint iSize = (uint)s.Capacity;
uint iRet = ChoKernel32.GetShortPathName(longName, s, iSize);
return(s.ToString());
}
public static string ToShortFileName(string filePath)
{
if (filePath.IsNullOrWhiteSpace())
{
return(filePath);
}
StringBuilder s = new StringBuilder(1000);
filePath = ChoPath.GetFullPath(filePath);
string directory = Path.GetDirectoryName(filePath);
string fileName = Path.GetFileName(filePath);
uint iSize = (uint)s.Capacity;
uint iRet = ChoKernel32.GetShortPathName(directory, s, iSize);
return(Path.Combine(s.ToString(), fileName));
}
public static bool IsDirectory(string path)
{
if (path.IsNullOrWhiteSpace())
{
return(false);
}
path = ChoPath.GetFullPath(path);
if (File.Exists(path))
{
return(false);
}
else if (Directory.Exists(path))
{
return(true);
}
else
{
return(Path.GetExtension(Path.GetFileName(path)).IsNullOrEmpty());
}
}
