public override void WriteGroupCodes()
{
WriteGroupCodeValue(2, ViewName.Trim());
WriteGroupCodeValue(40, ViewHeight.ToString().Trim());
WriteGroupCodeValue(41, ViewWidth.ToString().Trim());
WriteGroupCodeValue(10, ViewCenterX.ToString().Trim());
WriteGroupCodeValue(20, ViewCenterY.ToString().Trim());
WriteGroupCodeValue(11, ViewDirectionX.ToString().Trim());
WriteGroupCodeValue(21, ViewDirectionY.ToString().Trim());
WriteGroupCodeValue(31, ViewDirectionZ.ToString().Trim());
WriteGroupCodeValue(12, ViewTargetX.ToString().Trim());
WriteGroupCodeValue(22, ViewTargetY.ToString().Trim());
WriteGroupCodeValue(32, ViewTargetZ.ToString().Trim());
WriteGroupCodeValue(42, LensLength.ToString().Trim());
WriteGroupCodeValue(43, FrontClippingPlaneOffset.ToString().Trim());
WriteGroupCodeValue(44, BackClippingPlaneOffset.ToString().Trim());
WriteGroupCodeValue(50, TwistAngle.ToString().Trim());
WriteGroupCodeValue(70, GetStandardFlags().ToString().Trim());
}
private void txtWinWidth_TextChanged(object sender, EventArgs e)
{
float t;
float.TryParse(txtWinWidth.Text, out t);
WinWidth = t;
ViewWidth = (int)Math.Round(WinWidth * Resolution);
txtViewWidth.Text = ViewWidth.ToString(CultureInfo.InvariantCulture);
}