/// <summary>
/// Removes a viewport from the list of viewports that this clipping plane clips.
/// </summary>
/// <param name="viewport">The viewport to remove.</param>
/// <param name="commit">Commit the change. When in doubt, set this parameter to true.</param>
/// <returns>true if the viewport was removed, false if the viewport was not in the list.</returns>
/// <since>6.1</since>
public bool RemoveClipViewport(Pixel.Rhino.Display.RhinoViewport viewport, bool commit)
{
if (null == viewport)
{
throw new System.ArgumentNullException(nameof(viewport));
}
bool rc = false;
Pixel.Rhino.Geometry.ClippingPlaneSurface geometry = ClippingPlaneGeometry;
if (null != geometry)
{
rc = geometry.RemoveClipViewportId(viewport.Id);
if (rc && commit)
{
CommitChanges();
}
}
return(rc);
}
/// <summary>
/// Get view dependent dimension scale
/// </summary>
/// <param name="doc"></param>
/// <param name="dimstyle"></param>
/// <param name="vport"></param>
/// <returns></returns>
/// <since>6.0</since>
public static double GetDimensionScale(RhinoDoc doc, DimensionStyle dimstyle, Pixel.Rhino.Display.RhinoViewport vport)
{
uint docsn = doc.RuntimeSerialNumber;
IntPtr pvport = vport.ConstPointer();
IntPtr pdimstyle = dimstyle.ConstPointer();
double scale = UnsafeNativeMethods.ON_V6_Annotation_GetDimScale(docsn, pdimstyle, pvport);
GC.KeepAlive(vport); // GC_KeepAlive: Nov. 1, 2018
GC.KeepAlive(dimstyle); // GC_KeepAlive: Nov. 1, 2018
return(scale);
}
