ASPxFileManager.CustomThumbnail Event
Occurs each time before a thumbnail or a folder’s icon is created.
Namespace: DevExpress.Web
Assembly: DevExpress.Web.v19.1.dll
Declaration
Event Data
The CustomThumbnail event's data class is FileManagerThumbnailCreateEventArgs. The following properties provide information specific to this event:
Property | Description |
---|---|
File | Obsolete. Gets a file related to the event. |
IsParentFolder | Gets a value specifying whether the currently processed item is a parent folder. |
Item | Gets an item related to the event. |
ThumbnailImage | Gets the settings of a thumbnail image. |
Remarks
The CustomThumbnail event enables you to provide a custom thumbnail. Within the event’s handler, the currently processed item can be accessed by using the FileManagerThumbnailCreateEventArgs.Item property. If the parent folder is processed, the FileManagerThumbnailCreateEventArgs.IsParentFolder property returns true. To specify a custom thumbnail for the processed item, use the FileManagerThumbnailCreateEventArgs.ThumbnailImage property.
Concept
Example
<dx:ASPxFileManager ID="fileManager" runat="server" OnCustomThumbnail="fileManager_CustomThumbnail">
...
</dx:ASPxFileManager>
Online Demo
ASPxFileManager - Custom Thumbnail