测量线程增加每次启动都切换到SEM模式。

MeasureThread/Measure.cs

@@ -853,6 +853,15 @@ namespace MeasureThread
         {
             float x0 = 0, y0 = 0, x1 = 0, y1 = 0, x2 = 0, y2 = 0;
             int state = 0;
+            //切换到SEM模式
+            if (!iSEM.CmdFIBModeSEM())
+            {
+                arg.Message = "SEM模式切换失败";
+                arg.State = false;
+                SendMsg("1-1");
+                return false;
+            }
+
 
             //1.控制SEM放大600X
             arg.Picture_Information.Work_Status = "SEM";