private void Add3_TextChanged(object sender, EventArgs e)
{
if (Add3.Text.Length == 3)
{
Add4.Focus();
}
}
private void Add3_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.ShiftKey | (e.KeyCode == Keys.Back && Add3.Text == ""))
{
Add2.Focus();
}
else if (e.KeyCode == Keys.Decimal && Add3.Text.Length >= 1)
{
Add4.Focus();
}
}
private void Add3_KeyPress(object sender, KeyPressEventArgs e)
{
if ((char.IsNumber(e.KeyChar) & RangeValidation(e.KeyChar.ToString(), Add3.Text)) | (char.IsControl(e.KeyChar) & (!char.IsWhiteSpace(e.KeyChar))))
{
e.Handled = false;
if (Add3.Text.Length >= 2)
{
Add4.Focus();
}
}
else
{
e.Handled = true;
}
}
