private void button_click(object sender, EventArgs e)
{
if ((TextShow.Text == "0") || (isperform))
{
TextShow.Clear();
}
isperform = false;
Button button = (Button)sender;
if (button.Text == ".")
{
if (!TextShow.Text.Contains("."))
{
TextShow.Text = TextShow.Text + button.Text;
}
}
else
{
TextShow.Text = TextShow.Text + button.Text;
}
}
private void btnComClear_Click(object sender, EventArgs e)
{
TextShow.Clear();
}