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我想要创建一个documentlibrary和newfolder使用FileOpenPicker选择多个图像保存在createfolder选择createfolder多图像...创建一个文件夹并保存使用fileopenpicker在Windows 8
的错误是: 'System.Collections.Generic.IReadOnlyList'不包含'CopyAsync'的定义,并且没有找到接受'System.Collections.Generic.IReadOnlyList'类型的第一个参数的扩展方法'CopyAsync'(你是否缺少using指令?或程序集引用)
这是我的代码:
IReadOnlyList<StorageFile> file;
var destinationFolder = await KnownFolders.DocumentsLibrary.CreateFolderAsync("NewFolder", CreationCollisionOption.GenerateUniqueName);
var openpicker = new FileOpenPicker();
openpicker.CommitButtonText = "Upload";
openpicker.FileTypeFilter.Add(".jpg");
openpicker.FileTypeFilter.Add(".jpeg");
openpicker.FileTypeFilter.Add(".png");
openpicker.SuggestedStartLocation = PickerLocationId.DocumentsLibrary;
openpicker.ViewMode = PickerViewMode.List;
file = await openpicker.PickMultipleFilesAsync();
if (destinationFolder != null && file !=null)
{
await file.CopyAsync(destinationFolder);
}
谢谢你神经元它的工作。 –