xaml The type 'Button' does not support direct content

Question

XLS0502 error The type 'Button' does not support direct content

system.xaml and UIAutomationProvider have been added

the project was cleaned up and then rebuilt. But the problem has not disappeared.What should I do now?

Answer 1

Try to use Grid inside the Button.Content element.

<Button>
  <Button.Content>
    <Grid>
    </Grid>
  </Button.Content>
</Button>

Resources:

Content properties