PhysicalFileSystemProvider.GetItems(FileSystemLoadItemOptions) Method

Gets file system items.

Namespace: DevExtreme.AspNet.Mvc.FileManagement

Assembly: DevExtreme.AspNet.Core.dll

Declaration

public virtual IEnumerable<FileSystemItem> GetItems(
    FileSystemLoadItemOptions options
)

Parameters

Name	Type	Description
options	FileSystemLoadItemOptions	Options related to the operation.

Returns

Type	Description
IEnumerable<FileSystemItem>	A collection of file system items.

Remarks

The following example illustrates how to overwrite the GetItems method.

Refer to the Binding to Entity Framework ORM online demo to get the whole example code.

C#

public IEnumerable<FileSystemItem> GetItems(FileSystemLoadItemOptions options) {
    int parentId = ParseKey(options.Directory.Key);
    var fileItems = GetDirectoryContents(parentId);
    var hasSubDirectoriesInfo = GetHasSubDirectoriesInfo(fileItems);

    var clientItemList = new List<FileSystemItem>();
    foreach(var item in fileItems) {
        var clientItem = new FileSystemItem {
            Key = item.Id.ToString(),
            Name = item.Name,
            IsDirectory = item.IsDirectory,
            DateModified = item.Modified
        };
        if(item.IsDirectory) {
            clientItem.HasSubDirectories = hasSubDirectoriesInfo.ContainsKey(item.Id) && hasSubDirectoriesInfo[item.Id];
        }
        //...
    }
    return clientItemList;
}

Implements

GetItems(FileSystemLoadItemOptions)