刪除菜單項白色空間內的ComboBox

我有一個組合框偎依在一個菜單項，我已經無法擺脫可怕的白色空間到左邊和右邊的。刪除菜單項白色空間內的ComboBox

的代碼是：

<Grid> 
<ComboBox Name="SettingsCmbx" Text="Options" Foreground="White" VerticalContentAlignment="Center" HorizontalContentAlignment="Stretch" Width="80" Style="{StaticResource blackGradientComboBox}" Margin="3"> 
    <ComboBox.ItemsSource> 
     <CompositeCollection> 
      <!--<ComboBoxItem Name="Options" IsEnabled="False" Style="{StaticResource blackComboBoxItem}">Options</ComboBoxItem>--> 
      <ComboBoxItem Style="{StaticResource blackComboBoxItem}">Guidelines</ComboBoxItem> 
      <ComboBoxItem Style="{StaticResource blackComboBoxItem}">Copy Investigation</ComboBoxItem> 
      <MenuItem Name="CurrencySelectMenuItem" Header="Currency" Background="Black" Foreground="White" BorderThickness="0" Margin="0" BorderBrush="Black" VerticalAlignment="Stretch" HorizontalAlignment="Stretch"> 
       <MenuItem Name="DollarSelectMenuItem" Tag="36" Header="$ - Dollar" Background="Black" Foreground="White"></MenuItem> 
       <MenuItem Name="PoundSelectMenuItem" Tag="163" Header="£ - Pound" Background="Black" Foreground="White"></MenuItem> 
      </MenuItem> 
      <ComboBoxItem Style="{StaticResource blackComboBoxItem}">About</ComboBoxItem> 
     </CompositeCollection> 
    </ComboBox.ItemsSource> 
</ComboBox> 
<TextBlock Name="OptionsTxtBlk" Text="Options" IsHitTestVisible="False" Foreground="White" VerticalAlignment="Center" HorizontalAlignment="Center"/> 
</Grid>

它看起來像這樣：

enter image description here

來源

2013-11-22 user

我從兩邊將切緣陰性解決了這個。保證金=「-5,0，-5,0」

來源

2013-11-22 20:17:42 user

刪除菜單項白色空間內的ComboBox

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