internal virtual void butEqal_Click(object sender, EventArgs e)
{
if (!checkedResult)
{
Result(firstNum);
}
checkedResult = true;
oper = null;
FocusTextBox();
}
protected virtual void butAdd_Click(object sender, EventArgs e)
{
if (!chClickZnack)
{
if (oper != null)
{
Result(firstNum);
}
Reading(sender, e);
oper += Add;
chClickZnack = true;
}
FocusTextBox();
}
protected virtual void butDivision_Click(object sender, EventArgs e)
{
if (!chClickZnack)
{
if (oper != null)
{
Result(firstNum);
}
if (!chClickZnack)
{
Reading(sender, e);
}
oper += Divide;
chClickZnack = true;
}
FocusTextBox();
}
