TextBox는 무한대로 늘어나지 않는 한 해당 동작을 수행합니다.
<StackPanel>
<StackPanel Orientation="Horizontal"
Margin="5">
<TextBlock Text="No Horizontal Scrolling:" />
<TextBox HorizontalAlignment="Stretch"
MinWidth="100" />
</StackPanel>
<StackPanel Orientation="Horizontal"
Margin="5">
<TextBlock Text="Horizontal Scrolling:" />
<TextBox Width="100" />
</StackPanel>
<StackPanel Orientation="Horizontal"
Margin="5">
<TextBlock Text="Horizontal Scrolling:" />
<TextBox HorizontalAlignment="Stretch"
MinWidth="50"
MaxWidth="100" />
</StackPanel>
<DockPanel Margin="5">
<TextBlock DockPanel.Dock="Left"
Text="Horizontal Scrolling:" />
<TextBox />
</DockPanel>
</StackPanel>