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In WinForms, Form had a ClientSize property (inherited from Control), which returns the size of its client area, i.e., the area inside the title bar and window borders.
I'm not seeing anything similar in WPF: there's no ClientSize, ClientWidth, ClientHeight, GetClientSize(), or anything else that I can think to guess the name of.
How do I go about getting the client size of a WPF Window?
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When a Window is created at run-time using the Window object, it is not visible by default. To make it visible, we can use Show or ShowDialog method. Show method of Window class is responsible for displaying a window.
To open a new window and have it centred on the screen, set the WindowStartupLocation property to CenterScreen. You can do this using the XAML or in code before the window is displayed. Run the program and click the button to see the result.
Windows. OfType<T>(). Any()) // Check is Not Open, Open it.
Window is the root control that must be used to hold/host other controls (e.g. Button) as container. Page is a control which can be hosted in other container controls like NavigationWindow or Frame. Page control has its own goal to serve like other controls (e.g. Button). Page is to create browser like applications.
One way you could do it is to take the top most child element, cast this.Content to its type, and call .RenderSize on it, which will give you its size.
<Window x:Class="XML_Reader.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Window1" Height="400" Width="600" WindowStyle="SingleBorderWindow">
<Grid VerticalAlignment="Stretch" HorizontalAlignment="Stretch">
</Grid>
</Window>
((Grid)this.Content).RenderSize.Height
((Grid)this.Content).RenderSize.Width
edit:
as Trent said, ActualWidth and ActualHeight are also viable solutions. Basically easier methods of getting what I put above.
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