焦点行事件调整

PEIS/View/Setting/HazardTypeForm.cs

@@ -150,8 +150,12 @@ namespace PEIS.View.Setting
         {
             int hazardTypeIndex = gVHazardType.FocusedRowHandle;
             var hazardTypeRow = gVHazardType.GetRow(hazardTypeIndex) as DictHazardType;
+            if (hazardTypeRow!=null)
+            {
                 GetHTypeFItem?.Invoke(this, new Args<HTypeFItemInfo>() { Eid = hazardTypeRow.ID });
             }
+            
+        }
         private void TsmiDelete_Click(object sender, EventArgs e)
         {
             int hazardTypeIndex = gVHFeelItem.FocusedRowHandle;