c# - VB.net error in designer. -

i getting error message "the class pnlone can designed, not first class in file. visual studio requires designers use first class in file. move class code first class in file , try loading designer again. " code below. copied c# code found.

namespace metropanelslide.panel  partial public class pnlone     inherits pnlslider     implements imetrocontrol      private sub pnlone_load(sender object, e eventargs)      end sub      public sub new(owner form)         mybase.new(owner)          me.stylemanager.update()     end sub   end class end namespace 

c# code is:

namespace metropanelslide.panel { public partial class pnlone : pnlslider, imetrocontrol {     public pnlone(form owner) : base(owner)     {         initializecomponent();          this.stylemanager.update();     }      private void pnlone_load(object sender, eventargs e)     {      } } } 

found out issue. thank all. found other class referencing.