拖放UWP

Question

我的View UserControl Binding ObservableCollection来自ViewModel来自allowDrop，我有一些照片。我制作了true DragOver并撰写了<Grid Margin="0,0,0,0" AllowDrop="True" Drop="<!--Dont know what to do-->"> <Image Source="{x:Bind Image}" 方法，但我如何才能收到图片/图片并将其添加到我的收藏中？

这里有一些代码：

Image

DataTemplate在Binding和ObservableCollection使用List<string> previousWeaponList = new StreamWriter("PreviousList.txt");

Answer 1

我在XAML控件上写了这个行为

 <interactivity:Interaction.Behaviors>
        <behaviors:ItemDropBihevior ItemDropCommand="{Binding ImageManipulatorViewModel.DropImageCommand, Source={StaticResource ViewModelLocator}}"/>
        <core:EventTriggerBehavior EventName="Drop">
            <core:InvokeCommandAction  CommandParameter="{Binding}">
            </core:InvokeCommandAction>
        </core:EventTriggerBehavior>
    </interactivity:Interaction.Behaviors>

然后赶上ViewModel并加入我的选举