PROMS/Volian.Controls.Library/StepTabRibbon.cs

@@ -793,6 +793,7 @@ namespace Volian.Controls.Library
 					if (MyItemInfo.Steps != null)
 					{
 						ItemInfo ichld = MyItemInfo.Steps[0];
+						btn.Click -= new System.EventHandler(btnInsStep_Click);
 						btn.Click += new System.EventHandler(btnInsStep_Click);
 						btn.Tag = string.Format("{0} {1}", fromtype, ichld.MyContent.Type - 20000);
 						return;