DocumentViewerClientEventsTextCopied Property
            Gets or sets the client-side event raised when user copies the selected text in the document.
            Copying to clipboard with popup menu or keyboard shortcut (e.g. CTRL + C) will both be detected.
            The value should be a valid JavaScript function name which is accessible on the host page. 
            Function names should be specified without parentheses like "FunctionName" or "Namespace.FunctionName". 
            
Namespace: GleamTech.DocumentUltimate.AspNet.UIAssembly: GleamTech.DocumentUltimate (in GleamTech.DocumentUltimate.dll) Version: 7.8.0
public string TextCopied { get; set; }
Public Property TextCopied As String
	Get
	Set
Property Value
String Example function:
function documentViewerTextCopied(e) {
    var documentViewer = e.target;
    //Pretty print the event arguments
    var json = JSON.stringify(e.detail, null, 2);
    console.log(json);
}
//SAMPLE OUTPUT:
/*
{
  "eventName": "textCopied",
  "document": "p4450.pdf",
  "text": "We are grateful for the recent enactment of the substantial multi-year funding"
}
*/