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Rotate Assembly Component on Axis Using IDragOperator::DragAsUI Example (C#)

This example shows how to rotate an assembly component about an assembly axis using IDragOperator::DragAsUI.

//----------------------------------------------------------------------------
// Preconditions:
// 1. Assembly document is open.
// 2. Component in the assembly document is selected.
//
// Postconditions: Transform matrix is set.
//----------------------------------------------------------------------------
using SolidWorks.Interop.sldworks;
using SolidWorks.Interop.swconst;
using System.Runtime.InteropServices;
using System;
using System.Diagnostics;
namespace DragOperatorAddComponent_CSharp.csproj
{
    
partial class SolidWorksMacro
    {

        
const double PI = 3.14159;
        
const double RadPerDeg = PI / 180.0;

        
//   DragOperator::TransformType
        //       Translation     0
        //       Transform is translation-only.
        //
        //       Axial rotation  1
        //       Transform is rotation-only.
        //
        //       General         2
        //       Transform can be translation, rotation, or both.
        //
        //   DragOperator::DragMode
        //       Minimum Move    0
        //       Move smallest number of geometries.
        //
        //       Maximum Move    1
        //       Move geometries rigidly if possible.
        //
        //       Relaxation      2
        //       Solve geometries using relaxation.


        public void Main()
        {
            
ModelDoc2 swModel = default(ModelDoc2);
            
AssemblyDoc swAssy = default(AssemblyDoc);
            
DragOperator swDragOp = default(DragOperator);
            
SelectionMgr swSelMgr = default(SelectionMgr);
            
Component2[] swComp = new Component2[2];
            
object vComp = null;
            
MathTransform swXform = default(MathTransform);
            
MathUtility swMathUtil = default(MathUtility);
            
MathPoint swOriginPt = default(MathPoint);
            
MathVector swX_Axis = default(MathVector);
            
double[] nPts = new double[3];
            
object vData = null;
            
int i = 0;
            
bool bRet = false;

            swModel = (
ModelDoc2)swApp.ActiveDoc;
            swAssy = (
AssemblyDoc)swModel;
            swDragOp = (
DragOperator)swAssy.GetDragOperator();
            swSelMgr = (
SelectionMgr)swModel.SelectionManager;
            swComp[0] = (
Component2)swSelMgr.GetSelectedObjectsComponent(1);
            swComp[1] = (
Component2)swSelMgr.GetSelectedObjectsComponent(2);
            swMathUtil = (
MathUtility)swApp.GetMathUtility();

            vComp = swComp;

            nPts[0] = 0.0;
            nPts[1] = 0.0;
            nPts[2] = 0.0;

            vData = nPts;

            swOriginPt = (
MathPoint)swMathUtil.CreatePoint(vData);

            nPts[0] = 1.0;
            nPts[1] = 0.0;
            nPts[2] = 0.0;
            vData = nPts;

            swX_Axis = (
MathVector)swMathUtil.CreateVector(vData);

            
// This is an incremental rotation,
            // so angle is always the same.
            swXform = (MathTransform)swMathUtil.CreateTransformRotateAxis(swOriginPt, swX_Axis, 1.0 * RadPerDeg);

            bRet = swDragOp.AddComponent(swComp[0],
false);
            
Debug.Assert(bRet);

            swDragOp.DynamicClearanceEnabled =
false;

            
// Axial rotation
            swDragOp.TransformType = 1;

            
// Solve by relaxation
            swDragOp.DragMode = 2;

            bRet = swDragOp.BeginDrag();
            
Debug.Assert(bRet);

            
for (i = 0; i <= 500; i++)
            {
                bRet = swDragOp.DragAsUI(swXform);
            }

            bRet = swDragOp.EndDrag();
            
Debug.Assert(bRet);

        }


        
public SldWorks swApp;

    }

}
 

 



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