How to prevent a new WPF form from stealing focus?

Question

I have written a simple MSN-style program that will send and retrieve messages using WCF. The main form contains a Textbox to type in the message to be sent. In the backgrou

Answer 1

The answer is simple: Since .NET 3.5 SP1 WPF forms have a ShowActivated property. Set this to false and any form thus marked won't steal no focus no more!

Answer 2

In my application I need to show a notification Window on top of all other windows while my MainWindow is minimized, but without stealing the focus.

So I just do this:

private void Window_Loaded(object sender, RoutedEventArgs e)
{
    this.Topmost = true;
    this.Topmost = false;
}

Answer 3

You could set the Focusable property of the window to false.