private void timer3_Tick(object sender, EventArgs e)
{
counter3--;
if (counter3 == 0)
{
timer3.Stop();
Console.Beep(5000, 1000);
Btn4.PerformClick();
}
LblCounter.Text = counter3.ToString();
}
void ReleaseDesignerOutlets()
{
if (Img1 != null)
{
Img1.Dispose();
Img1 = null;
}
if (Btn1 != null)
{
Btn1.Dispose();
Btn1 = null;
}
if (Img3 != null)
{
Img3.Dispose();
Img3 = null;
}
if (Btn3 != null)
{
Btn3.Dispose();
Btn3 = null;
}
if (Img2 != null)
{
Img2.Dispose();
Img2 = null;
}
if (Btn2 != null)
{
Btn2.Dispose();
Btn2 = null;
}
if (Img4 != null)
{
Img4.Dispose();
Img4 = null;
}
if (Btn4 != null)
{
Btn4.Dispose();
Btn4 = null;
}
}
// Keyboard Keys Events.
private void Calculator_KeyDown(object sender, KeyEventArgs e)
{
// Using Switch To Perform Various Key Events.
switch (e.KeyCode)
{
case Keys.NumPad1: { Btn1.PerformClick(); break; }
case Keys.NumPad2: { Btn2.PerformClick(); break; }
case Keys.NumPad3: { Btn3.PerformClick(); break; }
case Keys.NumPad4: { Btn4.PerformClick(); break; }
case Keys.NumPad5: { Btn5.PerformClick(); break; }
case Keys.NumPad6: { Btn6.PerformClick(); break; }
case Keys.NumPad7: { Btn7.PerformClick(); break; }
case Keys.NumPad8: { Btn8.PerformClick(); break; }
case Keys.NumPad9: { Btn9.PerformClick(); break; }
case Keys.NumPad0: { Btn0.PerformClick(); break; }
case Keys.Back: { BackBtn.PerformClick(); break; }
case Keys.Add: { BtnPlus.PerformClick(); break; }
case Keys.Subtract: { BtnMinus.PerformClick(); break; }
case Keys.Divide: { BtnDivision.PerformClick(); break; }
case Keys.Multiply: { BtnMultiple.PerformClick(); break; }
case Keys.Decimal: { BtnPoint.PerformClick(); break; }
case Keys.Oemplus: { BtnEquals.PerformClick(); break; }
case Keys.H: { vh.Show(); break; }
default: break;
}
}
void ReleaseDesignerOutlets()
{
if (Btn1 != null)
{
Btn1.Dispose();
Btn1 = null;
}
if (Btn2 != null)
{
Btn2.Dispose();
Btn2 = null;
}
if (Btn3 != null)
{
Btn3.Dispose();
Btn3 = null;
}
if (Btn4 != null)
{
Btn4.Dispose();
Btn4 = null;
}
if (Btn5 != null)
{
Btn5.Dispose();
Btn5 = null;
}
if (Btn6 != null)
{
Btn6.Dispose();
Btn6 = null;
}
if (Btn7 != null)
{
Btn7.Dispose();
Btn7 = null;
}
if (Btn8 != null)
{
Btn8.Dispose();
Btn8 = null;
}
}
private void Btn4_Click(object sender, EventArgs e)
{
data.AddStringExpression(Btn4.GetNumber().ToString());
ChangeText();
}
