Decrease line spacing in a TextBlock / FlowDocument
To exemplify @Joel's answer (which is still very useful 5 years later :P)
<StackPanel VerticalAlignment="Center"> <Button Width="137" Height="47.96"> <TextBlock Text="This is a very long text that gets cut because it is so long" TextWrapping="Wrap"/> </Button> <Button Width="137" Height="47.96"> <TextBlock Text="This is a very long text that doesn't cut thanks to @Joel" TextWrapping="Wrap" LineStackingStrategy="BlockLineHeight" LineHeight="13"/> </Button> </StackPanel>