/// <summary>
/// If <paramref name="shellItem" /> is known folder, create a new instance of the <see cref="IKnownFolder" /> derived
/// class.
/// </summary>
/// <param name="shellItem"><see cref="ShellItem" />.</param>
/// <returns>Created a new instance of <see cref="IKnownFolder" /> derived class.</returns>
private static IKnownFolder GetKnownFolderNative(ShellItem shellItem)
{
Contract.Requires(shellItem != null);
var pidl = PIDL.FromShellItem(shellItem.ShellItemInterface);
if (pidl.IsNull)
{
return(null);
}
return(ShellKnownFolderFactory.FromPIDL(pidl));
}
/// <summary>
/// Initialize a new instance of the <see cref="ShellItem" /> class
/// to the specified <see cref="IShellItem2" />.
/// </summary>
/// <param name="shellItem2"><see cref="IShellItem2" />.</param>
internal ShellItem(IShellItem2 shellItem2)
{
Contract.Requires <ArgumentNullException>(shellItem2 != null);
this.ShellItemInterface = shellItem2;
this.PIDL = PIDL.FromShellItem(this.ShellItemInterface);
try
{
var attributes = GetAttributes(SFGAO.SFGAO_LINK | SFGAO.SFGAO_FILESYSTEM | SFGAO.SFGAO_FOLDER);
this.IsLink = (attributes & SFGAO.SFGAO_LINK) != 0;
this.IsFileSystem = (attributes & SFGAO.SFGAO_FILESYSTEM) != 0;
this.IsFolder = (attributes & SFGAO.SFGAO_FOLDER) != 0;
}
catch
{
this.IsLink = false;
this.IsFileSystem = false;
this.IsFolder = false;
}
}