public int CompareTo(object obj)
{
if (obj == null)
{
return(1); // non-existant is always low
}
ShellItem Other = (ShellItem)obj;
// UPDATE: Error Handling for ShellItem.CompareTo
if (Other == null)
{
#if DEBUG
throw new ArgumentException("Invalid argument for ShellItem.CompareTo");
#endif
return(0); // Ignore this in release builds
}
if (!m_HasDispType)
{
SetDispType();
}
int cmp = Other.SortFlag - m_SortFlag; // Note the reversal
if (cmp != 0)
{
return(cmp);
}
else
{
if (IsDisk) // implies that both are
{
return(string.Compare(this.FileSystemPath, Other.FileSystemPath));
}
else
{
// return String.Compare(m_DisplayName, Other.DisplayName)
return(StringLogicalComparer.CompareStrings(this.DisplayName, Other.DisplayName));
}
}
}
private static StringLogicalComparer _default; // = new StringLogicalComparer();
private StringLogicalComparer()
{
_default = new StringLogicalComparer();
} //New
