Uzduotis_Kalkuliatorius.xaml

<Window
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfApplication2"
        xmlns:System="clr-namespace:System;assembly=mscorlib" x:Class="WpfApplication2.MainWindow"
        mc:Ignorable="d"
        Title="MainWindow" Height="350" Width="525">
    <Grid Margin="0,0,2,-2">
        <TextBox x:Name="tb_a" HorizontalAlignment="Left" Height="23" Margin="46,81,0,0" TextWrapping="Wrap" Text="a" VerticalAlignment="Top" Width="69"/>
        <TextBox x:Name="tb_b" HorizontalAlignment="Left" Height="23" Margin="214,81,0,0" TextWrapping="Wrap" Text="b" VerticalAlignment="Top" Width="63" RenderTransformOrigin="-0.095,0.565"/>
        <ComboBox x:Name="comboBox" HorizontalAlignment="Left" Margin="146,82,0,0" VerticalAlignment="Top" Width="42" SelectionChanged="comboBox_SelectionChanged">

        </ComboBox>
        <Label x:Name="label_ats" Content="ats" HorizontalAlignment="Left" Margin="355,80,0,0" VerticalAlignment="Top" RenderTransformOrigin="0.474,0.462" Width="54"/>
        <Button x:Name="button" Content="=" HorizontalAlignment="Left" Height="28" Margin="302,78,0,0" VerticalAlignment="Top" Width="30"/>
        <TextBlock x:Name="textBlock" HorizontalAlignment="Left" Margin="129,160,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Height="132" Width="210"><Run Text="MainWindow konstruktoriaus gale:"/><LineBreak/><Span Foreground="Black"><Run Text="comboBox.Items.Add("/></Span><Span Foreground="#FFA31515"><Run Text="&quot;+&quot;"/></Span><Span Foreground="Black"><Run Text=");"/></Span><LineBreak/><Run Text="comboBox.Items.Add("/><Span Foreground="#FFA31515"><Run Text="&quot;-&quot;"/></Span><Span Foreground="Black"><Run Text=");"/></Span><LineBreak/><Run Text="comboBox.Items.Add("/><Span Foreground="#FFA31515"><Run Text="&quot;*&quot;"/></Span><Span Foreground="Black"><Run Text=");"/></Span><LineBreak/><Run Text="comboBox.Items.Add("/><Span Foreground="#FFA31515"><Run Text="&quot;/&quot;"/></Span><Span Foreground="Black"><Run Text=");"/></Span></TextBlock>

    </Grid>
</Window>