public static object GetProperty(FileInfoEx file, PropertyKey propKey)
{
if (file.Exists)
{
using (ShellFolder2 sf2 = file.Parent.ShellFolder)
{
ShellDll.PropertyKey pkey = propKey;
return(GetProperty(sf2, file, ref pkey));
}
}
return(null);
}
public int MapColumnToSCID(uint iColumn, out PropertyKey pscid)
{
checkDisposed();
return _iShellFolder2.MapColumnToSCID(iColumn, out pscid);
}
public int GetDetailsEx(IntPtr pidl, ref PropertyKey pscid, out object pv)
{
checkDisposed();
return _iShellFolder2.GetDetailsEx(pidl, ref pscid, out pv);
}
public static object GetProperty(FileInfoEx file, PropertyKey propKey)
{
if (file.Exists)
using (ShellFolder2 sf2 = file.Parent.ShellFolder)
{
ShellDll.PropertyKey pkey = propKey;
return GetProperty(sf2, file, ref pkey);
}
return null;
}
public static object GetProperty(ShellFolder2 sf2, FileInfoEx file, ref PropertyKey propKey)
{
PIDL pidlLookup = file.PIDLRel;
if (pidlLookup != null)
{
try
{
object retVal;
int hr = sf2.GetDetailsEx(pidlLookup.Ptr, ref propKey, out retVal);
if (hr != ShellAPI.S_OK)
Marshal.ThrowExceptionForHR(hr);
return retVal;
}
finally
{
pidlLookup.Free();
}
}
return null;
}
public static object GetProperty(string filename, PropertyKey propKey)
{
if (File.Exists(filename))
return GetProperty(new FileInfoEx(filename), propKey);
return null;
}
