Interact with 3D Objects
<Window x:Class="WpfApplication1.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="" Height="300" Width="300"> <Viewport3D> <Viewport3D.Camera> <PerspectiveCamera LookDirection="0,0,-1" Position="0,0,5" /> </Viewport3D.Camera> <ModelVisual3D> <ModelVisual3D.Content> <AmbientLight Color="White" /> </ModelVisual3D.Content> </ModelVisual3D> <ModelUIElement3D MouseDown="polygon1_MouseDown"> <GeometryModel3D> <GeometryModel3D.Geometry> <MeshGeometry3D Positions="-1,-1,1 1,-1,1 1,1,1" TriangleIndices="0 1 2" /> </GeometryModel3D.Geometry> <GeometryModel3D.Material> <DiffuseMaterial Brush="Firebrick" /> </GeometryModel3D.Material> </GeometryModel3D> </ModelUIElement3D> <ModelUIElement3D MouseDown="polygon2_MouseDown"> <GeometryModel3D> <GeometryModel3D.Geometry> <MeshGeometry3D Positions="1,-1,0 1,1,0 -1,1,0" TriangleIndices="0 1 2" /> </GeometryModel3D.Geometry> <GeometryModel3D.Material> <DiffuseMaterial Brush="CornflowerBlue" /> </GeometryModel3D.Material> </GeometryModel3D> </ModelUIElement3D> <ModelUIElement3D MouseDown="polygon3_MouseDown"> <GeometryModel3D> <GeometryModel3D.Geometry> <MeshGeometry3D Positions="1,0,0 1,1,0 0,1,0" TriangleIndices="0 1 2" /> </GeometryModel3D.Geometry> <GeometryModel3D.Material> <DiffuseMaterial Brush="OrangeRed"/> </GeometryModel3D.Material> </GeometryModel3D> </ModelUIElement3D> </Viewport3D> </Window> //File:Window.xaml.cs using System.Windows; using System.Windows.Input; namespace WpfApplication1 { public partial class Window1 : Window { public Window1() { InitializeComponent(); } private void polygon1_MouseDown(object sender, MouseButtonEventArgs e) { MessageBox.Show("polygon1_MouseDown", "WpfApplication1"); } private void polygon2_MouseDown(object sender, MouseButtonEventArgs e) { MessageBox.Show("polygon2_MouseDown", "WpfApplication1"); } private void polygon3_MouseDown(object sender, MouseButtonEventArgs e) { MessageBox.Show("polygon3_MouseDown", "WpfApplication1"); } } }