# Line

VTKExamples/CSharp/GeometricObjects/Line

### Description

A tutorial on how to setup a Windows Forms Application utilizing ActiViz.NET can be found here: Setup a Windows Forms Application to use ActiViz.NET

### Code

Line.cs

    using System;
    using System.Collections.Generic;
    using System.ComponentModel;
    using System.Windows.Forms;
    using System.Diagnostics;

    using Kitware.VTK;

    namespace ActiViz.Examples {
       public partial class Form1 : Form {
          public Form1() {
             InitializeComponent();
          }

          private void renderWindowControl1_Load(object sender, EventArgs e) {
             try {
                Line();
             }
             catch(Exception ex) {
                MessageBox.Show(ex.Message, "Exception", MessageBoxButtons.OK);
             }
          }

          private void Line() {
             // Create a line.
             vtkLineSource lineSource = vtkLineSource.New();
             // Create two points, P0 and P1
             double[] p0 = new double[] { 1.0, 0.0, 0.0 };
             double[] p1 = new double[] { 0.0, 1.0, 0.0 };

             lineSource.SetPoint1(p0[0], p0[1], p0[2]);
             lineSource.SetPoint2(p1[0], p1[1], p1[2]);

             // Visualize
             vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
             mapper.SetInputConnection(lineSource.GetOutputPort());
             vtkActor actor = vtkActor.New();
             actor.SetMapper(mapper);
             actor.GetProperty().SetLineWidth(4);
             vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
             vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
             renderer.SetBackground(0.2, 0.3, 0.4);
             renderer.AddActor(actor);
             renderer.ResetCamera();
          }
       }
    }