C# 如何在windows文件资源管理器中选择多个文件

我想打开Windows资源管理器，选择多个图像，然后复制并粘贴到另一个文件夹。

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然而，我使用的这段代码对我没有帮助<代码>在此处输入代码

尝试使用多文件方法

// Set up the file picker.
            Windows.Storage.Pickers.FileOpenPicker openPicker =
           new Windows.Storage.Pickers.FileOpenPicker();
            openPicker.SuggestedStartLocation =
               Windows.Storage.Pickers.PickerLocationId.PicturesLibrary;
            openPicker.ViewMode =
                Windows.Storage.Pickers.PickerViewMode.Thumbnail;


            //Filter to include a sample subset of file types.
            openPicker.FileTypeFilter.Clear();
            openPicker.FileTypeFilter.Add(".png");
            openPicker.FileTypeFilter.Add(".jpeg");
            openPicker.FileTypeFilter.Add(".jpg");

            //Open the file picker.
            Windows.Storage.StorageFile file =
            await openPicker.PickSingleFileAsync();

阅读本文：

openPicker.PickMultipleFilesAsync()