public static int Next(this Random random, Range r, int value, int plusminus)
{
int lower = Math.Max(value - plusminus, r.Lower);
int upper = Math.Min(value + plusminus, r.Upper);
return random.Next(lower, upper);
}
private bool CanEnableButton(TextBox t, Range r)
{
if (t.Text.Length == 0)
{
return false;
}
if (int.Parse(t.Text) < r.Lower)
{
RunSim_Button.Enabled = false;
return false;
}
return true;
}
private void ValidateTextboxInput(TextBox box, KeyPressEventArgs e, Range r)
{
ToolTip tt = new ToolTip();
string tooltipString = string.Format("Only numbers between {0} - {1} are accepted", r.Lower, r.Upper);
if (!char.IsControl(e.KeyChar) && !char.IsDigit(e.KeyChar))
{
tt.Show(tooltipString, box, 50, -20, 1000);
e.Handled = true;
return;
}
if (char.IsControl(e.KeyChar))
{
return;
}
int selectedLength = box.SelectionLength;
string boxEntry = box.Text;
if (selectedLength > 0)
{
boxEntry = boxEntry.Remove(boxEntry.Length - selectedLength);
}
if (r.Lower > 1 && boxEntry.Length == 0)
{
if (int.Parse(e.KeyChar + "0") < r.Lower)
{
tt.Show(tooltipString, box, 50, -20, 1000);
e.Handled = true;
}
return;
}
int attempedEntry = int.Parse(boxEntry + e.KeyChar);
if (attempedEntry > r.Upper || attempedEntry < r.Lower)
{
tt.Show(tooltipString, box, 50, -20, 1000);
e.Handled = true;
}
}
public static int Next(this Random random, Range r)
{
return random.Next(r.Lower, r.Upper);
}
