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我需要通过 API 在 SolidWorks 中创建参考平面。该平面应与底平面相同，或与倒法线的顶平面相同。我知道如何做到3点：

swModel.Insert3DSketch2(true);
var swSketchPt1 = swModel.CreatePoint2(0.0, 0.0, 0.0) as SketchPoint;
var swSketchPt2 = swModel.CreatePoint2(0.0, 0.0, -0.01) as SketchPoint;
var swSketchPt3 = swModel.CreatePoint2(-0.01, 0.0, 0.0) as SketchPoint;
swModel.Insert3DSketch2(true);
swModel.ClearSelection2(true);

swSketchPt1.Select(true);
swSketchPt2.Select(true);
swSketchPt3.Select(true);

var pl1 = swModel.CreatePlaneThru3Points3(true) as RefPlane;

但我希望应该有更优雅的方式。

4

1 回答 1

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根据文档CreatePlaneThru3Points3方法（IModelDoc2）已过时。取而代之IFeatureManager::InsertRefPlane。

来源：https ://help.solidworks.com/2020/english/api/sldworksapi/SOLIDWORKS.Interop.sldworks~SOLIDWORKS.Interop.sldworks.IModelDoc2~CreatePlaneThru3Points3.html

这是他们为新方法提供的示例：

//-----------------------------------------------------------
// 1. Verify that the specified part exists.
// 2. Open the Immediate window.
//
// Postconditions:
// 1. Creates a constraint-based reference plane.
// 2. Examine the Immediate window.
//
// NOTE: Because the part is used elsewhere, do not
// save changes.
//-----------------------------------------------------------
using SolidWorks.Interop.sldworks;
using SolidWorks.Interop.swconst;
using System;
using System.Diagnostics;

namespace InsertRefPlaneFeatureManagerCSharp.csproj

{

    public partial class SolidWorksMacro

    {

        public void Main()

        {

            ModelDoc2 swModel = default(ModelDoc2);

            ModelDocExtension swModelDocExt = default(ModelDocExtension);

            FeatureManager swFeatureManager = default(FeatureManager);

            Feature swFeature = default(Feature);

            RefPlane swRefPlane = default(RefPlane);

            SelectionMgr swSelMgr = default(SelectionMgr);

            RefPlaneFeatureData swRefPlaneFeatureData = default(RefPlaneFeatureData);

            int fileerror = 0;

            int filewarning = 0;

            bool boolstatus = false;

            int planeType = 0;

 

            swApp.OpenDoc6("C:\\Users\\Public\\Documents\\SOLIDWORKS\\SOLIDWORKS 2018\\samples\\tutorial\\api\\plate.sldprt", (int)swDocumentTypes_e.swDocPART, (int)swOpenDocOptions_e.swOpenDocOptions_Silent, "", ref fileerror, ref filewarning);

            swModel = (ModelDoc2)swApp.ActiveDoc;

            swModelDocExt = (ModelDocExtension)swModel.Extension;

            swFeatureManager = (FeatureManager)swModel.FeatureManager;

            swSelMgr = (SelectionMgr)swModel.SelectionManager;

 

            // Create a constraint-based reference plane

            boolstatus = swModelDocExt.SelectByID2("", "FACE", 0.028424218552, 0.07057725774359, 0, true, 0, null, 0);

            boolstatus = swModelDocExt.SelectByID2("", "EDGE", 0.05976462601598, 0.0718389621656, 0.0001242036435087, true, 1, null, 0);

            swRefPlane = (RefPlane)swFeatureManager.InsertRefPlane(16, 0.7853981633975, 4, 0, 0, 0);

 

            // Get type of the just-created reference plane

            boolstatus = swModelDocExt.SelectByID2("Plane1", "PLANE", 0, 0, 0, false, 0, null, (int)swSelectOption_e.swSelectOptionDefault);

            swFeature = (Feature)swSelMgr.GetSelectedObject6(1, -1);

            swRefPlaneFeatureData = (RefPlaneFeatureData)swFeature.GetDefinition();

 

            planeType = swRefPlaneFeatureData.Type2;

            Debug.Print("Type of reference plane using IRefPlaneFeatureData::Type2: ");

            switch (planeType)

            {

                case 0:

                    Debug.Print(" Invalid");

                    break;

                case 1:

                    Debug.Print(" Undefined");

                    break;

                case 2:

                    Debug.Print(" Line Point");

                    break;

                case 3:

                    Debug.Print(" Three Points");

                    break;

                case 4:

                    Debug.Print(" Line Line");

                    break;

                case 5:

                    Debug.Print(" Distance");

                    break;

                case 6:

                    Debug.Print(" Parallel");

                    break;

                case 7:

                    Debug.Print(" Angle");

                    break;

                case 8:

                    Debug.Print(" Normal");

                    break;

                case 9:

                    Debug.Print(" On Surface");

                    break;

                case 10:

                    Debug.Print(" Standard");

                    break;

                case 11:

                    Debug.Print(" Constraint-based");

                    break;

            }

            Debug.Print("");

 

            planeType = swRefPlaneFeatureData.Type;

            Debug.Print("Type of reference plane using IRefPlaneFeatureData::Type: ");

            switch (planeType)

            {

                case 0:

                    Debug.Print(" Invalid");

                    break;

                case 1:

                    Debug.Print(" Undefined");

                    break;

                case 2:

                    Debug.Print(" Line Point");

                    break;

                case 3:

                    Debug.Print(" Three Points");

                    break;

                case 4:

                    Debug.Print(" Line Line");

                    break;

                case 5:

                    Debug.Print(" Distance");

                    break;

                case 6:

                    Debug.Print(" Parallel");

                    break;

                case 7:

                    Debug.Print(" Angle");

                    break;

                case 8:

                    Debug.Print(" Normal");

                    break;

                case 9:

                    Debug.Print(" On Surface");

                    break;

                case 10:

                    Debug.Print(" Standard");

                    break;

                case 11:

                    Debug.Print(" Constraint-based");

                    break;

            }

            Debug.Print("");

 

            swModel.ClearSelection2(true);

        }

 

        /// <summary>

        /// The SldWorks swApp variable is pre-assigned for you.

        /// </summary>

        public SldWorks swApp;

 

    }

}

来源：https ://help.solidworks.com/2020/english/api/sldworksapi/Insert_Reference_Plane_Example_CSharp.htm

于 2020-12-23T20:54:59.813 回答