FileSystemProviderBase.GetThumbnail(FileManagerFile) Method

Override this method to provide file manager files with custom thumbnails.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v24.1.dll

NuGet Package: DevExpress.Web

Declaration

C#

public virtual Stream GetThumbnail(
    FileManagerFile file
)

VB.NET

Public Overridable Function GetThumbnail(
    file As FileManagerFile
) As Stream

Parameters

Name	Type	Description
file	FileManagerFile	A FileManagerFile object that is the copied file.

Returns

Type	Description
Stream	A Stream object that is the current file’s thumbnail.

Remarks

If you create a custom file system provider inherited from the FileSystemProviderBase class, you can override the GetThumbnail method to provide file manager files with custom thumbnails at the provider level.

You can specify the provided file thumbnails using the ASPxFileManager.CustomThumbnail event as well. To learn more, see the Thumbnails topic.