/// <summary>
/// Removes the content control and keep contents.
/// </summary>
/// <param name="contentControl">The content control.</param>
/// <param name="customXmlPartDocElement">The custom XML part doc element.</param>
/// <returns>Returns the custom xml part document element list</returns>
private IEnumerable<OpenXmlCompositeElement> RemoveContentControlAndKeepContents(SdtElement contentControl, XmlElement customXmlPartDocElement)
{
IList<OpenXmlCompositeElement> elementsList = new List<OpenXmlCompositeElement>();
this.AssignContentFromCustomXmlPartForDataboundControl(contentControl, customXmlPartDocElement);
foreach (var elem in GetSdtContentOfContentControl(contentControl).Elements())
{
var newElement = contentControl.Parent.InsertBefore(elem.CloneNode(true), contentControl);
AddToListIfCompositeElement(elementsList, newElement);
}
contentControl.Remove();
return elementsList;
}