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I have an application with window properties set to 

WindowState="Maximized" WindowStyle="None"

When I minimize it and maximize again, it not fill whole screen, so Windows start bar is visible and there is a strange margin on bottom and right of app window.

Problem exists only on Windows 10 LTSB 2016. On normal Windows 10 everything seems to be ok.

I tried to force set height and width related to screen resolution and force set Left and Top of window. Didn't help.

kolorowezworki
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  • Possible duplicate of [Make my wpf application Full Screen (Cover taskbar and title bar of window)](https://stackoverflow.com/questions/25499393/make-my-wpf-application-full-screen-cover-taskbar-and-title-bar-of-window) – Leo Dec 14 '18 at 09:34

1 Answers1

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Make sure ResizeMode=ResizeMode.NoResize is set on your window, before you change to maximized window.

JohnnyQ
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  • You're right. There is no margin anymore, but still Windows start bar is visible. – kolorowezworki Dec 14 '18 at 11:50
  • I have tested it with a minimal example and setting `WindowState=Maximized` , `WindowStyle=None` and `ResizeMode=NoResize` . In this case the window was real fullscreen and covering the windows taskbar. – JohnnyQ Dec 14 '18 at 13:23
  • As I said, on normal Windows 10 1809 everything is ok even without ResizeMode, but problem exists on Windows 10 LTSB 2016. It is based on some older build of 10. – kolorowezworki Dec 15 '18 at 08:05