private void Equal()
{
this.operand *= (double)this.sign;
this.sign = 1;
this.operand_ = this.operand;
this.was_operation_ = this.was_operation;
switch (this.was_operation)
{
case Form1.Action.Addition:
this.operand = this.old_operand + this.operand;
break;
case Form1.Action.Subtraction:
this.operand = this.old_operand - this.operand;
break;
case Form1.Action.Multiplication:
this.operand = this.old_operand * this.operand;
break;
case Form1.Action.Division:
this.operand = this.old_operand / this.operand;
break;
}
this.old_operand = this.operand;
this.Opetand_to_indicator();
this.fractional = false;
}
private void ClearAll()
{
this.was_equal = false;
this.operand = 0.0;
this.was_operation = Form1.Action.Empty;
this.old_operand = 0.0;
this.fractional = false;
this.sign = 1;
}
private void button14_Click(object sender, EventArgs e)
{
if (this.was_equal)
{
this.old_operand = this.operand;
this.operand = this.operand_;
this.was_operation = this.was_operation_;
}
this.was_equal = true;
this.Equal();
this.was_operation = Form1.Action.Empty;
}
private void operation(Form1.Action oper)
{
if (this.block_double_operation)
{
return;
}
this.block_double_operation = true;
this.Equal();
this.was_equal = false;
this.was_operation = oper;
this.old_operand = this.operand;
this.fractional = false;
this.operand = 0.0;
}