private void TimerTransaction_Tick(object sender, EventArgs e)
 {
     if (_transactionCollapse)
     {
         PanelTransaction.Height += 10;
         if (PanelTransaction.Size == PanelTransaction.MaximumSize)
         {
             TimerTransaction.Stop();
             _transactionCollapse = false;
         }
     }
     else
     {
         PanelTransaction.Height -= 10;
         if (PanelTransaction.Size == PanelTransaction.MinimumSize)
         {
             TimerTransaction.Stop();
             _transactionCollapse = true;
         }
     }
 }
 private void BtnTransactionMain_Click(object sender, EventArgs e)
 {
     TimerTransaction.Start();
 }