单击按钮时如何更改按钮的前景色?

use*_*761 5 c# xaml windows-phone-8-sdk

我有这样的事情:

                        <Grid>
                            <StackPanel Margin="100,0,98,0">
                                <Button x:Name="BtProd"
                                   Content="{Binding Produto}"     
                                   FontSize="{StaticResource PhoneFontSizeLarge}"
                                   Foreground="{Binding Color}"
                                   Click="BtProd_Click">
                                </Button>
                            </StackPanel>
                        </Grid>
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如何更改 C# .cs 文件中按钮的文本颜色?

   private void BtProd_Click(object sender, RoutedEventArgs e)
    {
    ?
    }
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当用户单击按钮时,我想从白色更改为浅灰色。谢谢。

xma*_*lax 3

(sender as Button).Foreground = new SolidColorBrush(Colors.LightGray);
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