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Editorial Team
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Asked: 2026-05-27T08:26:33+00:00

I’ve looked over Stack overflow and seen some posts that almost solve this problem

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I’ve looked over Stack overflow and seen some posts that almost solve this problem but not really. To be specific I’m referring to an application that is deployed to users who might have 3 or 4 displays and the application would want to remember which one to go to on startup.

I have a WPF application and I want to save what screen it was on when the form does it’s OnClose. Then when it loads I want to put my application on that screen.

How can this be done (without hacky Win32 API calls)?

EDIT: In a previous StackO post someone mentioned doing something like:

var screen = System.Windows.Forms.Screen.FromRectangle(
  new System.Drawing.Rectangle(
    (int)myWindow.Left, (int)myWindow.Top, 
    (int)myWindow.Width, (int)myWindow.Height));

Once I have screen it seems that the only thing I can do is check whether the application is either on the primary screen or not. Which is fine…if my users only have two screens, but not good if they have 3+. Is there something better I can do with this resulting screen object than just check if it’s primary.

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1 Answer

  1. Editorial Team

    You can get more infomation on multiple monitors from Screen.AllScreens property

    http://msdn.microsoft.com/en-us/library/system.windows.forms.screen.allscreens.aspx

    Also from memory, I think if you just save your Window Left and Top position and restore them when you load your app, this works with multiple monitors.

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