Setting a button's text to have some bold characters in WPF

Use a TextBlock to hold the formatted text:

<Button>  <TextBlock>Hey <Bold>you</Bold>!!!</TextBlock></Button>

Per your comment, if you want to be explicit about the fact that this sets the Content property, you can use XAML property element syntax to do so:

<Button>  <Button.Content>    <TextBlock>Hey <Bold>you</Bold>!!!</TextBlock>  </Button.Content></Button>

However this is redundant because Button has a ContentPropertyAttribute which makes the first version exactly equivalent to the second anyway.

wpf themes styles c-sharp-3.0

This will work.

<Grid>   <Button Name="button1" Width="40" Height="40"            Content="something" FontWeight="Bold" /></Grid>

wpf themes styles c-sharp-3.0

Try <Button><TextBlock>a<Bold>b</Bold>c</TextBlock></Button>.

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