How to invisible formpart in Ax 2012

To invisible formpart in Ax 2012 you can try below code in Job.

 PartList partList;  
 Counter partCnt;  
 FormRun FormRun_part;  
 NumberOf NoOfParts;  
 super();  
 partList1 =new PartList(element);   
 NoOfParts =partList1.partCount();  
 for (partCnt =1; partCnt <= NoOfParts; partCnt++)  
 {  
 FormRun_part =partList1.getPartById(partCnt);  
 if (FormRun_part.name() ==formStr(YourFormName))  
 {  
 FormRun_part.design().controlName("YourControlName").visible(false);  
 }  
 }