private void button10_Click(object sender, EventArgs e)
{
txtscreen.Clear();
eded1 = eded2 = 0;
operatorr = null;
lastset = LastSet.None;
labelhistory.Text = "";
txtscreen.Text = "0";
}
private void Form1_Click(object sender, EventArgs e)
{
if (sender is Button btnopr)
{
operatorr = btnopr.Text;
labelhistory.Text += $"{eded2} {operatorr}";
if (waitinganswer && lastset != LastSet.answer)
{
txtscreen.Text = hesabla().ToString();
}
eded2 = eded1;
operatorr = btnopr?.Text;
lastset = LastSet.operatorr;
waitinganswer = true;
}
}
private void Numbers_Click(object sender, EventArgs e)
{
try
{
if (sender is Button btnnum)
{
if (lastset == LastSet.None)
{
lastset = LastSet.eded1;
}
else if (lastset == LastSet.operatorr)
{
txtscreen.Clear();
lastset = LastSet.eded2;
}
if (txtscreen.Text == "0")
{
txtscreen.Clear();
}
if (txtscreen.Text.Length == 10)
{
return;
}
txtscreen.Text += btnnum.Text;
if (lastset == LastSet.eded1)
{
eded1 = eded2 = double.Parse(txtscreen.Text);
}
else if (lastset == LastSet.eded2)
{
eded2 = double.Parse(txtscreen.Text);
}
}
}
catch (Exception ex)
{
Catchexception(ex);
}
}