Using numPad in my calculator
  • I am developing a Calculator Application. It is working properly but one thing error is that I want to use keyboard numpad, i wrote code for this like :

    private void Form1_KeyDown(object sender, KeyEventArgs e)
            {
                if (e.KeyCode.Equals(Keys.NumPad5))
                {              
                    button7.PerformClick();
                }
                if (e.KeyCode.Equals(Keys.NumPad6))
                {
                    button6.PerformClick();
                }
                if (e.KeyCode.Equals(Keys.Add))
                {
                    button5.PerformClick();
                }
            }
    whenever I press a num key once it display twice, means I press 5 it display 55. Please help this.
  • 1 Comment sorted by
  • Kindly share your complete code so i can check and tell you alternate solution.

    or you can also download source code from below link

    http://codingresolved.com/discussion/1636/calculator-in-c-source-code/p1

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