Materiał.icons dla WPF
<Button xmlns:mi="clr-namespace:MaterialIcons;assembly=MaterialIcons"
x:Name="button" Grid.Column="5" HorizontalAlignment="Left" Margin="10,10,10,10"
VerticalAlignment="Top" Width="75"
Click="OnSettingsMenuItemClick">
<mi:MaterialIcon Icon="ic_search"/>
</Button>
Wandering Whale