How do I set my vb6 application or form as owner to my WPF window?

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C#

I am working with rewriting one of the vb6 application form to wpf window, when i launch the application and open the newly created wpf window then if i open any other application my wpf window is getting minimized. if i click on the vb6 application on taskbar which was opened earlier my wpf window is not showing on top of application.

can one help me how to set my vb6 application or form as owner to my wpf window.

What I have tried:

I tried with the below code.

public InventoryMasterSearchViewLauncher(Window owner)
        {
            //_owner = owner;
            var window = new InventoryMasterSearchForm();
            WindowInteropHelper helper = new WindowInteropHelper(window);
            helper.Owner = this.Handle;
           
        }