.net - How to hide and show the forms located in tab pages of tab control on selection basis in c# -

i using tabcontrol 2 tabpage's in windows application. on tabpage2 selection, need show many forms(nearly 12-15 forms) on button click in zigzag manner(like form1, form2, form1, form3, form4, form1 1 after another). on tabpage selection, need hide forms displayed in tabpage2. again if opened tabpage2, need display same form.

how show , hide forms on basis of tab page selection? tried following code , working fine. there better way implement same functionality? in main form button click,

public static form1 form1obj;  private void button1_click(object sender, eventargs e) {                             form1 frm = new form1();     frm.show(this);                 createobj(frm);            }  public void createobj(form1 frm) {     form1obj = frm;           }  private void tabcontrol_selectedindexchanged(object sender, eventargs e) {               if (tabcontrol.selectedtab == tabcontrol1.tabpages["tabpage1"])     {                       if (form1obj != null && form1obj.visible)         {             form1obj.hide();             bstep1obj = true;         }     }     else     {          if(bstep1obj)          form1obj.show();     } }