How do you pass the owner window to Show() method overload?

Question

I\'m working on an Excel add in that opens a winform after the user clicks a button on a ribbon bar. This button needs to be non-modal so that the user can still interact w

Answer 1

You need to create a class that implements IWin32Window and returns Excel's Application.Hwnd property.

For example:

class ArbitraryWindow : IWin32Window {
    public ArbitraryWindow(IntPtr handle) { Handle = handle; }
    public IntPtr Handle { get; private set; }
}

newForm.Show(new ArbitraryWindow(new IntPtr(Something.Application.Hwnd)));