public void CancelOrders()
{
foreach (var order in mSellOrders)
{
diginoteSystem.DeleteSellOrder(order);
}
mSellOrders.Clear();
foreach (var order in mPurchaseOrders)
{
diginoteSystem.DeletePurchaseOrder(order);
}
mPurchaseOrders.Clear();
clientForm.UpdatePurchaseOrders(mPurchaseOrders);
clientForm.UpdateSellOrders(mSellOrders);
clientForm.UpdateDiginotes(mWallet.Count.ToString());
}