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Hide and Show All Edges in Drawing View (C#)

This example shows how to hide and then show all of the edges in the root component in a drawing view.

//---------------------------------------------------------------------------
// Preconditions:
// 1. Verify that the specified drawing document to open exists.
// 2. Open the Immediate window.
//
// Postconditions:
// 1. Opens the specified drawing document.
// 2. Hides and then shows all edges in the root component in
//    Drawing View
1.
// 3. Examine the drawing and Immediate window.
//----------------------------------------------------------------------------

using Microsoft.VisualBasic;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Diagnostics;
using SolidWorks.Interop.sldworks;
using SolidWorks.Interop.swconst;
using System.Runtime.InteropServices;
namespace HideShowEdges_CSharp.csproj
{
    
partial class SolidWorksMacro
    {

        
ModelDoc2 swModel;
        
DrawingDoc swDraw;
        
DocumentSpecification swDocSpecification;
        
Sheet swSheet;
        
View swView;
        
DrawingComponent swDrawingComponent;
        
Component2 swComponent;
        
Entity swEntity;
        
object[] vEdges;
        
bool bRet;
        
int i;

        
public void Main()
        {
            
// Specify the drawing to open
            swDocSpecification = (DocumentSpecification)swApp.GetOpenDocSpec("C:\\Program Files\\SOLIDWORKS Corp\\SOLIDWORKS\\samples\\tutorial\\advdrawings\\foodprocessor.SLDDRW");
            swModel = (
ModelDoc2)swApp.ActiveDoc;

            
if (swModel == null)
            {
                swModel = swApp.OpenDoc7(swDocSpecification);
            }

            swModel = (
ModelDoc2)swApp.ActiveDoc;
            swDraw = (
DrawingDoc)swModel;

            
// Get the current sheet
            swSheet = (Sheet)swDraw.GetCurrentSheet();
            
Debug.Print(swSheet.GetName());

            
// Select Drawing View1
            bRet = swModel.Extension.SelectByID2("Drawing View1", "DRAWINGVIEW", 0.0, 0.0, 0.0, true, 0, null, (int)swSelectOption_e.swSelectOptionDefault);
            swView = (
View)((SelectionMgr)swModel.SelectionManager).GetSelectedObject6(1, -1);

            
// Print the drawing view name and get the component in the drawing view
            Debug.Print(swView.GetName2());
            swDrawingComponent = swView.RootDrawingComponent;
            swComponent = swDrawingComponent.Component;

            
// Get the component's visible entities in the drawing view
            int eCount = 0;
            eCount = swView.GetVisibleEntityCount2(swComponent, (
int)swViewEntityType_e.swViewEntityType_Edge);
            vEdges = (
object[])swView.GetVisibleEntities2(swComponent, (int)swViewEntityType_e.swViewEntityType_Edge);
            
Debug.Print("Number of edges found: " + eCount);

            
// Hide all of the visible edges in the drawing view
            for (i = 0; i <= eCount - 1; i++)
            {
                swEntity = (
Entity)vEdges[i];
                swEntity.Select4(
true, null);
                swDraw.HideEdge();
            }

            
// Clear all selections
            swModel.ClearSelection2(true);

            
// Show all hidden edges
            swView.HiddenEdges = vEdges;

        }

        
public SldWorks swApp;

    }
}

 



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