RibbonGallery选中的项目被卡住了 [英] RibbonGallery selected item stucked

问题描述

嗨！
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在RibbonSplitButton中我有一个 RibbonGallery ，它有一个可观察集合的ItemsSource。

当点击下拉列表列表中的任何项目时，它会触发一个窗口显示。

问题是，当我关闭窗口时，打开再次下拉，之前选择的项目一直被选中，使我无法通过点击它触发窗口外观。



如果我更新observablecollection，下拉列表会更新，并且删除选择，但效率非常低。

如何删除选择以不同的方式？



提前致谢！

解决方案

您好    oolin，



您可以尝试以下方法。



您可以添加IsSelected属性在您的模型中将绑定到RibbonGallery。

 private string _label; 
 public bool IsSelected 
 {
 get 
 {
 return _isSelected; 
} 
设置
 {
 if（_isSelected！= value）
 {
 _isSelected = value; 
 OnPropertyChanged（new PropertyChangedEventArgs（" IsSelected"））; 
} 
} 
} 
 

并在RibbonGallery.GalleryItemStyle中绑定IsSelected属性。

< ribbon：RibbonGallery.GalleryItemStyle> 
< Style TargetType =" ribbon：RibbonGalleryItem"> 
 //< Setter Property =" IsSelected"值=" {Binding IsSelected}" /> 
< Setter Property =" IsSelected" Value =" {Binding IsSelected，Converter =}" /> 
< / Style> 
< / ribbon：RibbonGallery.GalleryItemStyle> 
 

最后，使用转换器设置Property =" IsSelected"假（总是）。然后，之前选择的项目将不会被选中。



您可以参考样本： 如何添加图库到我的功能区
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此外，你可以使用 RibbonButton
下划线以触发显示的窗口。





最好的问候，



Yong Lu

Hi!

Inside a RibbonSplitButton I have a RibbonGallery, which has an ItemsSource of an observablecollection.
When any item on the dropdown list is clicked, it triggers a window to be displayed.
The problem is, when I close the window, and open the dropdown again, the previously selected item keeps being selected, making it unable for me to trigger the windows appearence by clicking on it.

If I update the observablecollection, the dropdown is updated, and the selection is removed, but its pretty inefficient.

Any ideas how to remove the selection in a different fashion?

Thanks in advance!

解决方案

Hi   oolin,

You may can try the following method.

You can add a IsSelected property in your model which will bind to the RibbonGallery.

   private string _label;
        public bool IsSelected
        {
            get
            {
                return _isSelected;
            }
            set
            {
                if (_isSelected != value)
                {
                    _isSelected = value;
                    OnPropertyChanged(new PropertyChangedEventArgs("IsSelected"));
                }
            }
        }

And binding the IsSelected property in your RibbonGallery.GalleryItemStyle.

                <ribbon:RibbonGallery.GalleryItemStyle>
                        <Style TargetType="ribbon:RibbonGalleryItem">
                           //<Setter Property="IsSelected" Value="{Binding IsSelected}" />
                           <Setter Property="IsSelected" Value="{Binding IsSelected,Converter=}" />
                        </Style>
                </ribbon:RibbonGallery.GalleryItemStyle>
                        

Finally, use a Converter set the Property="IsSelected" to false(always). Then, the previously selected item will not keep being selected.

You can refer the sample:How do I add Galleries to my Ribbon

Besides, You can use the RibbonButton to trigger a window to be displayed.


Best Regards,

Yong Lu

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