我有以下WPF按鈕樣式:如何以編程方式訪問樣式中的元素?
<Style x:Key="myButtonStyle" TargetType="{x:Type Button}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Button}">
<Grid Width="{Binding Width}" Height="{Binding Height}">
<Border Name="container" Background="{Binding Background}" CornerRadius="{Binding CornerRadius}">
<TextBlock Margin="10" FontFamily="Arial" FontWeight="Bold" TextAlignment="Left" HorizontalAlignment="Left" VerticalAlignment="Top" Width="Auto" FontSize="{Binding TextSize}" Foreground="White" Text="{Binding Text}" TextWrapping="Wrap"/>
</Border>
<Border Name="overlay" Background="Transparent" CornerRadius="{Binding CornerRadius}" />
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsPressed" Value="True">
<Setter TargetName="overlay" Property="Opacity" Value="0.6" />
<Setter TargetName="overlay" Property="Background" Value="Black" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
的問題是,雖然我的所有應用程序的按鈕具有相同的風格,他們中的一些需要周圍有邊框。因此,我想知道是否可以訪問我的風格的容器邊框來設置其厚度和顏色?如果是這樣,我該怎麼做?
編輯:
我混madd0和Josh的建議,並創建了一個DataTrigger我的風格,裏面搭配的結合,告訴我如果按鈕應該或不應該有邊框的屬性。
最終的代碼如下:
<Style x:Key="myButtonStyle" TargetType="{x:Type Button}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Button}">
<Grid Width="{Binding Width}" Height="{Binding Height}">
<Border Name="container" Background="{Binding Background}" CornerRadius="{Binding CornerRadius}">
<TextBlock Margin="10" FontFamily="Arial" FontWeight="Bold" TextAlignment="Left" HorizontalAlignment="Left" VerticalAlignment="Top" Width="Auto" FontSize="{Binding TextSize}" Foreground="White" Text="{Binding Text}" TextWrapping="Wrap"/>
</Border>
<Border Name="overlay" Background="Transparent" CornerRadius="{Binding CornerRadius}" />
</Grid>
<ControlTemplate.Triggers>
<DataTrigger Binding="{Binding Path=HasBorder}" Value="true">
<Setter TargetName="container" Property="BorderThickness" Value="{Binding BorderThickness}" />
<Setter TargetName="container" Property="BorderBrush" Value="{Binding BorderBrush}" />
</DataTrigger>
<Trigger Property="IsPressed" Value="True">
<Setter TargetName="overlay" Property="Opacity" Value="0.6" />
<Setter TargetName="overlay" Property="Background" Value="Black" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
謝謝大家的幫助, Komyg
它是什麼決定邊框是否應該出現?如果你使用觸發器做出這樣的改變,它會更乾淨 – madd0