void OnOpenScript(object sender, string scriptName)
{
foreach (var doc in documentViews)
{
if (doc is ScriptView && doc.DocumentName == scriptName)
{
doc.Activate();
return;
}
}
var view = new ScriptView(scriptName);
view.Show(dockPanel, DockState.Document);
view.FormClosing += new FormClosingEventHandler(OnDocumentWindowClosing);
documentViews.Add(view);
}