ComboBoxItem背景rainbowRGB顏色

民間：我想成立一個ComboBoxItem的背景顏色爲RainbowRGB：ComboBoxItem背景rainbowRGB顏色

RainbowRGB

，這是我目前的XAML代碼。我更喜歡用xaml代碼：

  <ComboBoxItem> 
       <Label Content="" 
         Background="RainbowRGB" 
         Width="180" 
         Margin="3" /> 
      </ComboBoxItem>

任何人都可以提供一些指針？謝謝。

來源

2014-12-02 Ono

使用Expression Blend中使用漸變筆刷，並設置顏色 – 2014-12-03 06:58:46

喜歡的東西：

<ComboBoxItem> 
    <Label Content="blah"> 
     <Label.Background> 
      <LinearGradientBrush StartPoint="0,0.5" EndPoint="1,0.5"> 
       <GradientStop Color="Red" Offset="0.0"/> 
       <GradientStop Color="Orange" Offset="0.17"/> 
       <GradientStop Color="Yellow" Offset="0.33"/> 
       <GradientStop Color="Green" Offset="0.5"/> 
       <GradientStop Color="Blue" Offset="0.67"/> 
       <GradientStop Color="Indigo" Offset="0.83"/> 
       <GradientStop Color="Violet" Offset="1.0"/> 
      </LinearGradientBrush> 
     </Label.Background> 
    </Label.Background> 
</ComboBoxItem>

來源

2014-12-03 00:53:53 Andrew

完美！謝謝！ – Ono 2014-12-03 14:08:42

你必須使用Expression Blend中的this.using吸管就可以實現這個this.watch video

<ComboBoxItem> 
    <Label Height="75" Width="405" Margin="3" > 
     <Label.Background> 
      <LinearGradientBrush EndPoint="0.989,0.419" StartPoint="-0.001,0.446"> 
       <GradientStop Color="White"/> 
       <GradientStop Color="#FF000D22" Offset="0.002"/> 
       <GradientStop Color="#FF051933" Offset="0.03"/> 
       <GradientStop Color="#FF270437" Offset="0.035"/> 
       <GradientStop Color="#FF110051" Offset="0.059"/> 
       <GradientStop Color="#FF37005B" Offset="0.067"/> 
       <GradientStop Color="#FF100074" Offset="0.084"/> 
       <GradientStop Color="#FF4E0097" Offset="0.096"/> 
       <GradientStop Color="#FF8200FF" Offset="0.133"/> 
       <GradientStop Color="#FF7600FF" Offset="0.197"/> 
       <GradientStop Color="#FF4500FF" Offset="0.242"/> 
       <GradientStop Color="#FF1307FF" Offset="0.254"/> 
       <GradientStop Color="#FF0232FF" Offset="0.259"/> 
       <GradientStop Color="#FF007AFF" Offset="0.279"/> 
       <GradientStop Color="#FF00F6F3" Offset="0.338"/> 
       <GradientStop Color="#FF00FF7B" Offset="0.481"/> 
       <GradientStop Color="#FF00FF47" Offset="0.507"/> 
       <GradientStop Color="#FF00FF0C" Offset="0.514"/> 
       <GradientStop Color="#FF40FF00" Offset="0.521"/> 
       <GradientStop Color="#FFA1FF00" Offset="0.546"/> 
       <GradientStop Color="#FFF3FE00" Offset="0.576"/> 
       <GradientStop Color="#FFFF2500" Offset="0.697"/> 
       <GradientStop Color="#FFFF0104" Offset="0.704"/> 
       <GradientStop Color="#FFFF0036" Offset="0.729"/> 
       <GradientStop Color="#FFFF004D" Offset="0.805"/> 
       <GradientStop Color="#FF8F0031" Offset="0.879"/> 
       <GradientStop Color="#FF790019" Offset="0.891"/> 
       <GradientStop Color="#FF770026" Offset="0.901"/> 
       <GradientStop Color="#FF5D0005" Offset="0.914"/> 
       <GradientStop Color="#FF640021" Offset="0.921"/> 
       <GradientStop Color="#FF54001A" Offset="0.933"/> 
       <GradientStop Color="#FF400000" Offset="0.941"/> 
       <GradientStop Color="#FF400000" Offset="0.956"/> 
       <GradientStop Color="#FF3B001C" Offset="0.965"/> 
      </LinearGradientBrush> 
     </Label.Background> 
    </Label> 
</ComboBoxItem>

結果

enter image description here

使用視框，你可以使用不同的高度和寬度

<Viewbox Width="180" Height="40"> 
     <Label Height="75" Width="405" Margin="3" > 
      <Label.Background> 
       ------------------- 
      </Label.Background> 
     </Label> 
    </Viewbox>

來源

2014-12-03 09:07:24

謝謝！ ............. – Ono 2014-12-03 14:09:15

ComboBoxItem背景rainbowRGB顏色

回答

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