Col*_*inE 56
WPF Viewbox控件将其内容增大/缩小到可用空间:
http://www.wpftutorial.net/ViewBox.html
只需将TextBlock放在ViewBox中:
<Viewbox Stretch="Uniform" Width="50" Height="50">
<TextBlock Text="Test" />
</Viewbox>
Run Code Online (Sandbox Code Playgroud)
当然,您的Viewbox通常按其容器缩放,但希望您明白这一点!