C Net Complete Calculator Code

C Net Complete Calculator Code

C# .Net Complete Calculator Code

public Form1() {

 double total1 = 0;
 double total2 = 0;

 bool plusButtonClicked = false;
 bool minusButtonClicked = false;
 bool divideButtonClicked = false;
 bool multiplyButtonClicked = false;

 //=========================
 // NUMBER BUTTONS
 //=========================
 private void btnOne_Click(object sender, EventArgs e) {
 txtDisplay.Text = txtDisplay.Text + btnOne.Text;
 }

 private void btnTwo_Click(object sender, EventArgs e) {
 txtDisplay.Text = txtDisplay.Text + btnTwo.Text;
 }

 private void btnThree_Click(object sender, EventArgs e) {
 txtDisplay.Text = txtDisplay.Text + btnThree.Text;
 }

 //OTHER NUMBER BUTTONS HERE

 private void btnPoint_Click(object sender, EventArgs e) {
 txtDisplay.Text = txtDisplay.Text + btnPoint.Text;
 }

 //=========================================
 // MINUS, PLUS, DIVIDE, MULTIPLY BUTTONS
 //=========================================
 private void btnMinus_Click(object sender, EventArgs e) {

 total1 = total1 + double.Parse(txtDisplay.Text);
 txtDisplay.Clear();

 minusButtonClicked = true;
 plusButtonClicked = false;
 divideButtonClicked = false;
 multiplyButtonClicked = false;

 }

 private void btnPlus_Click(object sender, EventArgs e) {

 total1 = total1 + double.Parse(txtDisplay.Text);
 txtDisplay.Clear();

 plusButtonClicked = true;
 minusButtonClicked = false;
 divideButtonClicked = false;
 multiplyButtonClicked = false;
 }

 
 private void btnMultiply_Click(object sender, EventArgs e) {

 total1 = total1 + double.Parse(txtDisplay.Text);
 txtDisplay.Clear();

 minusButtonClicked = false;
 plusButtonClicked = false;
 divideButtonClicked = false;
 multiplyButtonClicked = true;
 }

 private void btnDivide_Click(object sender, EventArgs e) {

 total1 = total1 + double.Parse(txtDisplay.Text);
 txtDisplay.Clear();

 minusButtonClicked = false;
 plusButtonClicked = false;
 divideButtonClicked = true;
 multiplyButtonClicked = false;
 }

 //=========================
 // EQUALS BUTTON
 //=========================
 private void btnEquals_Click(object sender, EventArgs e) {

 if (plusButtonClicked == true) {
 total2 = total1 + double.Parse(txtDisplay.Text);
 }
 else if (minusButtonClicked == true) {
 total2 = total1 - double.Parse(txtDisplay.Text);
 }
 else if (multiplyButtonClicked == true) {
 total2 = total1 * double.Parse(txtDisplay.Text);
 }
 else if (divideButtonClicked == true) {
 total2 = total1 / double.Parse(txtDisplay.Text);
 }

 txtDisplay.Text = total2.ToString();
 total1 = 0;
 }

 private void btnClear_Click(object sender, EventArgs e) {

 plusButtonClicked = false;
 minusButtonClicked = false;
 divideButtonClicked = true;
 multiplyButtonClicked = false;

 txtDisplay.Clear();
 }

}

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