Select Assembly Components by Size Example (C#)

//----------------------------------------------------------------------------
// Preconditions: Open an assembly.
//
// Postconditions: Components that are 30% of the size of the
// assembly or smaller are selected.
// ---------------------------------------------------------------------------
using SolidWorks.Interop.sldworks;
using SolidWorks.Interop.swconst;
using System.Runtime.InteropServices;
using System;
namespace SelectComponentsBySize_CSharp.csproj
{
    partial class SolidWorksMacro
    {

        ModelDoc2 Part;
        AssemblyDoc assem;
        bool result;


        public void Main()
        {
            Part = (ModelDoc2)swApp.ActiveDoc;
            assem = (AssemblyDoc)Part;
            result = assem.SelectComponentsBySize(30.0);

        }

        public SldWorks swApp;

    }
}