如何在鼠标悬停期间更改ComboBox的背景属性 [英] How to change ComboBox's Background Property during Mouse Hover

问题描述

我有一个包含ComboBox的圆形边框，如下所示：

I have a Rounded Border containing a ComboBox as follow:

只要我的鼠标悬停在ComboBox上，我就得到了

As soon as my mouse hover on the ComboBox, I get this

我想摆脱按钮样的背景。我尝试在 MouseEnter ， MouseLeave ， MouseUp ，鼠标设置背景为白色或空白，但仍然无法摆脱ComboBox上的默认按钮背景。

I want to get rid of the button-like background. I tried setting background to white or null in MouseEnter, MouseLeave, MouseUp... everything with Mouse but still I can't get rid of the default button background on the ComboBox. Does anyone has a clue?

以下代码：

/* XAML */
<Border CornerRadius="11" BorderThickness="1" Height="24" Width="70" 
    Grid.Column="1" Margin="5,5,5,5" VerticalAlignment="Center" 
    HorizontalAlignment="Left" Background="White">
    <ComboBox x:Name="comboBox1" BorderBrush="{x:Null}" 
          Background="{x:Null}" Width="70" MouseMove="MouseHover"
          MouseEnter="MouseHover"
    </ComboBox>
    </Border>

/* C# code */
private void MouseHover(object sender, RoutedEventArgs e)
{
    comboBox1.Background = null;
}

推荐答案

a href =http://msdn.microsoft.com/en-us/library/ms752094%28v=VS.85%29.aspx =nofollow>默认控制模板。请检查下面的链接

You have to modify the default controlTemplate of the Combobox for this.Check the link below

http://social.msdn.microsoft.com/Forums/en/wpf/thread/a18891e9-8879-4819-9679-247341782f60

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