Version

affectedPane Property

Gets reference to SplitterPane which size was affected by the pane which was collapsed/expanded.Reference to splitter pane
Syntax
ASP.NET Ajax Javascript (Specification) 
function get_affectedPane() : SplitterPane
ASP.NET Ajax Javascript (Usage) 
var resultVar = instanceOfSplitterCollapsedStateEventArgs.get_affectedPane();
See Also