About the Network Analyst Engine application Sample
[C#]
cmdNALayerProperties.cs
using System.Windows.Forms; using System.Runtime.InteropServices; using ESRI.ArcGIS.ADF.BaseClasses; using ESRI.ArcGIS.Carto; using ESRI.ArcGIS.NetworkAnalyst; using ESRI.ArcGIS.Controls; // This command brings up the property pages for the NALayer. namespace NAEngine { [Guid("04B67C95-96DD-4afe-AF62-942255ACBA71")] [ClassInterface(ClassInterfaceType.None)] [ProgId("NAEngine.NALayerProperties")] public sealed class cmdNALayerProperties : BaseCommand { private IMapControl3 m_mapControl; public cmdNALayerProperties() { base.m_caption = "Properties..."; } public override void OnClick() { // Show the Property Page form for the NALayer // Get the NALayer that was right-clicked on in the table of contents // m_MapControl.CustomProperty was set in frmMain.axTOCControl1_OnMouseDown INALayer naLayer = (INALayer)m_mapControl.CustomProperty; frmNALayerProperties props = new frmNALayerProperties(); if (props.ShowModal(naLayer)) { // Notify the ActiveView that the contents have changed so the TOC and NAWindow know to refresh themselves. m_mapControl.ActiveView.ContentsChanged(); } } public override void OnCreate(object hook) { m_mapControl = (IMapControl3)hook; } } }
[Visual Basic .NET]
cmdNALayerProperties.vb
Imports Microsoft.VisualBasic Imports System.Windows.Forms Imports System.Runtime.InteropServices Imports ESRI.ArcGIS.ADF.BaseClasses Imports ESRI.ArcGIS.Carto Imports ESRI.ArcGIS.NetworkAnalyst Imports ESRI.ArcGIS.Controls ' This command brings up the property pages for the NALayer. Namespace NAEngine <Guid("FC17F05F-D614-40d4-B5B7-071FB7062D99"), ClassInterface(ClassInterfaceType.None), ProgId("NAEngine.NALayerProperties")> _ Public NotInheritable Class NALayerProperties : Inherits BaseCommand Private m_mapControl As IMapControl3 Public Sub New() MyBase.m_caption = "Properties..." End Sub Public Overloads Overrides Sub OnClick() ' Show the Property Page form for the NALayer ' Get the NALayer that was right-clicked on in the table of contents ' m_MapControl.CustomProperty was set in frmMain.axTOCControl1_OnMouseDown Dim naLayer As INALayer = CType(m_mapControl.CustomProperty, INALayer) Dim props As frmNALayerProperties = New frmNALayerProperties() If props.ShowModal(naLayer) Then ' Notify the ActiveView that the contents have changed so the TOC and NAWindow know to refresh themselves. m_mapControl.ActiveView.ContentsChanged() End If End Sub Public Overloads Overrides Sub OnCreate(ByVal hook As Object) m_mapControl = CType(hook, IMapControl3) End Sub End Class End Namespace