thumbnailExpr
The data field can contain one of the following:
- The icon's URL
- The icon's name if the icon is from the DevExtreme icon library
- The icon's CSS class if the icon is from an external icon library (see External Icon Libraries)
- The icon in the Base64 format
url
Type:
The objects should have fields with the following names:
{
name: "MyFile.jpg",
size: 1024,
dateModified: "2019/05/08",
thumbnail: "/thumbnails/images/jpeg.ico",
isDirectory: true,
items: [
// ...
// Nested data objects with the same structure
// ...
]
}These are conventional names that you can change via [fieldName]Expr options: nameExpr, sizeExpr, dateModifiedExpr, and so on.
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