use wasabi window style.
MODIFY
WalletWasabi.Gui/ManagedDialogs/ManagedFileDialog.xaml
WalletWasabi.Gui/ManagedDialogs/ManagedFileDialog.xaml
-<Window xmlns="https://github.com/avaloniaui"
+<cont:MetroWindow xmlns="https://github.com/avaloniaui"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:dialogs="clr-namespace:WalletWasabi.Gui.ManagedDialogs"
xmlns:internal="clr-namespace:WalletWasabi.Gui.ManagedDialogs"
- Title="{Binding Title}" MinWidth="700" MinHeight="500">
- <internal:ManagedFileChooser Margin="4"/>
-</Window>
+ xmlns:cont="clr-namespace:AvalonStudio.Shell.Controls;assembly=AvalonStudio.Shell"
+ Icon="resm:WalletWasabi.Gui.Assets.WasabiLogo256.png?assembly=WalletWasabi.Gui"
+ Title="{Binding Title}" MinWidth="700" MinHeight="500"
+ FontFamily="{DynamicResource UiFont}" FontSize="14"
+ Foreground="{DynamicResource ThemeForegroundBrush}">
+ <internal:ManagedFileChooser Margin="12 6"/>
+</cont:MetroWindow>

MODIFY
WalletWasabi.Gui/ManagedDialogs/ManagedFileDialog.xaml.cs
WalletWasabi.Gui/ManagedDialogs/ManagedFileDialog.xaml.cs
@@ -2,10 +2,11 @@ using System;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Markup.Xaml;
+using AvalonStudio.Shell.Controls;
namespace WalletWasabi.Gui.ManagedDialogs
{
- class ManagedFileDialog : Window
+ class ManagedFileDialog : MetroWindow
{
private ManagedFileChooserViewModel _model;
public ManagedFileDialog()

use wasabi window style.