/// <summary>
/// Handle the DragEnter event for the presentation editor
/// </summary>
/// <param name="sender">sender</param>
/// <param name="e">event args</param>
protected override void DragEnter(object sender, DragEventArgs e)
{
if (!htmlMarshallingTarget.IsEditable) //disable drop operations when not in edit mode.
{
e.Effect = DragDropEffects.None;
return;
}
DataObjectMeister dataMeister = new DataObjectMeister(e.Data);
if (HtmlHandler.IsPasteFromSharedCanvas(dataMeister) && htmlMarshallingTarget.SelectionIsInvalid)
{
e.Effect = DragDropEffects.None;
return;
}
base.DragEnter(sender, e);
}
