I created a simple project of UXWindowChrome. In my simple project, the UXWindowChrome is shown when user clicks a UXButton (using DelegateCommand). The command will set a Boolean property to True. This property is bound to IsClientVisible property of UXWindowChrome.

I also add a line which set the focus on UXWindowChrome element. Please have the attached project evaluated on your end and let us know whether this helps or not.

Thanks for that.  What you have supplied works for some controls and not others.  I have re-attached the project and added some code.  Th set focus works for buttons and text box but I want to set focus to a UXSearchBox - and this does not work for this control -can you please advise?

Thank you for the prompt feedback.

private void ExecuteLaunchAbout(object parameter)
{
    if (parameter.ToString()=="close")
    this.IsVisible =  false;
    else
    {
        this.IsVisible = true;
        ISFocusManager.SetFocus("AuthorSearch");
        object obj = ISFocusManager.GetFocusedElement();
    }
}

I modified the above code by adding an object variable in order to check the focused element after invoking SetFocus() method. Debugging on the obj variable proves that the focus has been set to the AuthorSearch UXSearchBox element.

However, visually, user might not realize this since there is no cursor displayed in the textbox of AuthorSearch UXSearchBox element (compared to the focus behavior on txt1 UXTextBox element). In order to have the similar behavior please try to set the IsTabStop property of AuthorSearch UXSearchBox to False.

<Intersoft:UXSearchBox IsTabStop="False" Margin="5" FontSize="15" Height="30"
                        WatermarkText="Author's name.."
                        WatermarkTextVisibility="Visible" HorizontalAlignment="Left"
                        Width="250" x:Name="AuthorSearch" />

I have tested this solution and it works like a charm. Hope this helps.

Many thanks, that now works.

Glad to hear that set the IsTabStop property helps.

Should you need further assistance or run into any technical problems regarding our controls, feel free to post it into our community site. We would be happy to assist you again.