private void SetProgressValue(ProgressBar prg, int nValue)
 {
     if (prg.InvokeRequired)
     {
         ChangleProgressValue method = new ChangleProgressValue(this.SetProgressValue);
         base.Invoke(method, new object[] { prg, nValue });
     }
     else
     {
         prg.Value = nValue;
         base.Update();
     }
 }
 private void SetProgressValue(ProgressBar prg, int nValue)
 {
     if (prg.InvokeRequired)
     {
         ChangleProgressValue method = new ChangleProgressValue(this.SetProgressValue);
         base.Invoke(method, new object[] { prg, nValue });
     }
     else
     {
         prg.Value = nValue;
         base.Update();
     }
 }