private void nbutton(string stN)
{
if (M == null)
{
M = new clsMath(); //create a new instance if one does not exist
DecUpdate(stN); //decimal handler
}
else if (txtDisplay.Text == "0")
{
DecUpdate(stN); //decimal handler
}
else
{
DecUpdate(stN); //decimal handler
M.A = txtDisplay.Text + stN; //appends text to existing tect in textbox
}
if (M.A == "Error")
{
M.A = null;
lblError.Text = "Must enter numbers only";
}
else if (M.A.Length == 10) // Needs more work
{
txtDisplay.Text = M.A; //updateds textbox on from based on the class propriety
lblError.Text = "Can only enter 10 numbers";
}
else
{
txtDisplay.Text = M.A; //updateds textbox on from based on the class propriety
lblError.Text = "";
}
}
private void btnClear_Click(object sender, EventArgs e) //clears all data
{
M = null;
lblN.Text = "";
txtDisplay.Text = "0";
nbutton("0");
}
private void OpButton_Click(object sender, EventArgs e) //method for getting which operator was pressed
{
lblError.Text = "";
if (M != null)
{
Button buttonOP = (Button)sender;
if (trackCelc)
{
trackCelc = false;
M = null;
nbutton(txtDisplay.Text); //method for updating text boxes and putting data into memory
}
M.B = M.A; //moves data to secondary holder
lblN.Text = M.A.ToString() + " " + buttonOP.Text; //updates label on top of from
M.A = null;
txtDisplay.Text = "0";
M.Operation = buttonOP.Text; //Stores the operator in the class propriety
}
}