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FileManagerBuilder.OnContextMenuShowing(RazorBlock) Method

A function that is executed before a context menu is displayed. Mirrors the client-side onContextMenuShowing option.

Namespace: DevExtreme.AspNet.Mvc.Builders

Assembly: DevExtreme.AspNet.Core.dll

#Declaration

C#
public FileManagerBuilder OnContextMenuShowing(
    RazorBlock jsFunc
)

#Parameters

Name Type Description
jsFunc RazorBlock

The Razor @<text> block that contains JavaScript function code.

#Returns

Type Description
FileManagerBuilder

A reference to this instance after the method is called.

#Remarks

Use this method to specify a JavaScript handler for the client-side contextMenuShowing event. This handler can be an inline function or an external function’s reference. Function arguments are described in the client API reference.

Run Demo: File Manager - Toolbar and Context Menu

@(Html.DevExtreme().FileManager()
    .OnContextMenuShowing("myFileManager_onContextMenuShowing")
)

<script>
    function myFileManager_onContextMenuShowing(e) {
        // Handler code
    }
</script>

Refer to Handle Events and Define Callbacks for more information.

See Also