public void GetObjectTest()
{
using var f = new ShellFolder(testFld);
using var i = new ShellItem(testFile);
var qi = f.GetChildrenUIObjects <IQueryInfo>(null, i);
Assert.That(qi, Is.Not.Null.And.InstanceOf <IQueryInfo>());
System.Runtime.InteropServices.Marshal.ReleaseComObject(qi);
var sv = f.GetViewObject <IShellView>(null);
Assert.That(sv, Is.Not.Null.And.InstanceOf <IShellView>());
Assert.That(() => f.GetChildrenUIObjects <IShellLibrary>(null, i), Throws.TypeOf <NotImplementedException>());
Assert.That(() => f.GetViewObject <IShellLibrary>(null), Throws.TypeOf <NotImplementedException>());
}