//Validate Width Values using Constraint
private void textBox2_Validating(object sender, CancelEventArgs e)
{
if (int.TryParse(WidthField.Text, out int WidthInput) == true)
{
if (WidthInput < Desk.MINWIDTH || WidthInput > Desk.MAXWIDTH)
{
MessageBox.Show("Please enter a width from " + Desk.MINWIDTH + " to " + Desk.MAXWIDTH + " inches");
WidthField.Text = String.Empty;
WidthField.BackColor = Color.Red;
WidthField.Focus();
}
else
{
WidthField.BackColor = System.Drawing.SystemColors.Window;
}
}
else if (int.TryParse(WidthField.Text, out WidthInput) == false && WidthField.Text.Length != 0)
{
MessageBox.Show("Please enter a number");
WidthField.Text = String.Empty;
WidthField.BackColor = Color.Red;
WidthField.Focus();
}
else
{
WidthField.BackColor = System.Drawing.SystemColors.Window;
}
}
void ReleaseDesignerOutlets()
{
if (XField != null)
{
XField.Dispose();
XField = null;
}
if (YField != null)
{
YField.Dispose();
YField = null;
}
if (WidthField != null)
{
WidthField.Dispose();
WidthField = null;
}
if (HeightField != null)
{
HeightField.Dispose();
HeightField = null;
}
}
