ThemedWindow.UseNativeWindow Property

Gets or sets whether the operating system’s native window is used to round a ThemedWindow instance’s corners.

Assembly : DevExpress.Xpf.Core.v25.2.dll

Declaration

C#
VB.NET

csharp

public static bool UseNativeWindow { get; set; }

Public Shared Property UseNativeWindow As Boolean

Property Value

Type	Description
Boolean

true to use the operating system’s native window; otherwise, false.

Remarks

The following code sample sets the UseNativeWindow property to true to round ThemedWindow corners:

App.xaml.cs
App.xaml.vb

csharp

using DevExpress.Xpf.Core;
//...

public partial class App {
    protected override void OnStartup(StartupEventArgs e) {
        base.OnStartup(e);
        ThemedWindow.UseNativeWindow = true;  
    }
}

Imports DevExpress.Xpf.Core

Public Partial Class App
    Protected Overrides Sub OnStartup(ByVal e As StartupEventArgs)
        MyBase.OnStartup(e)
        ThemedWindow.UseNativeWindow = True
    End Sub
End Class

DevExpress WPF Controls include the UseNativeWindow and ThemedWindow.RoundCorners properties that allow you to round window corners and replicate the Windows 11 application appearance.

The following table describes whether your application’s corners are rounded depending on your Windows version, applied DevExpress Theme, and the UseNativeWindow and RoundCorners property values:

Windows Version

Applied DevExpress Theme

UseNativeWindow

RoundCorners

| | --- | --- | --- | --- | |

true

false

true

false

| | --- | --- | --- | --- | |

Windows 11

Win11Light/Win11Dark

| |

non-Win11Light/Win11Dark

| |

Windows 10 and earlier

Win11Light/Win11Dark

[1]

| |

non-Win11Light/Win11Dark

Limitations

If the UseNativeWindow and ThemedWindow.EnableAcrylic property values are true, your application’s appearance will be broken.
If the UseNativeWindow property’s value is true, the ThemedWindow.UseGlowColors property has no effect.

Footnotes

Your application’s appearance will be broken.