var instance = new Vintasoft.Imaging.Annotation.UI.Panels.WebUiAnnotationListPanelJS(settings, stateButton);

var returnValue; // Type: any

// Parameters
var value; // Type: function

returnValue = instance.set_CreateCollectionHeaderContentCallback(value);

function set_CreateCollectionHeaderContentCallback(
   value
A function, which returns UI elements for the header of annotation collection in annotation list panel, OR "null".
 Here is function prototype "function __createAnnotationCollectionHeaderContent(annotationCollection, index)", where "annotationCollection" parameter is an instance of WebAnnotationViewCollectionJS type, index - zero-based index of annotation collection. Important: "__createAnnotationCollectionHeaderContent" function must return not empty array of WebUiElementJS objects.
 : Function
) : any;

Parameters

value

A function, which returns UI elements for the header of annotation collection in annotation list panel, OR "null".
Here is function prototype "function __createAnnotationCollectionHeaderContent(annotationCollection, index)", where "annotationCollection" parameter is an instance of WebAnnotationViewCollectionJS type, index - zero-based index of annotation collection. Important: "__createAnnotationCollectionHeaderContent" function must return not empty array of WebUiElementJS objects.

If property value is "null", the annotation collection header contains label "Page {index}", where index - index of annotation collection.

Reference

WebUiAnnotationListPanelJS Class
WebUiAnnotationListPanelJS Members