Custom reshape polyline edit task
Application\EditingForm.vb
' Copyright 2012 ESRI
' 
' All rights reserved under the copyright laws of the United States
' and applicable international laws, treaties, and conventions.
' 
' You may freely redistribute and use this sample code, with or
' without modification, provided you include the original copyright
' notice and use restrictions.
' 
' See the use restrictions.
' 

Imports System
Imports System.Collections.Generic
Imports System.ComponentModel
Imports System.Data
Imports System.Drawing
Imports System.Text
Imports System.Windows.Forms
Imports System.IO

Imports ESRI.ArcGIS.Controls
Imports ESRI.ArcGIS.Carto
Imports ESRI.ArcGIS.Display
Imports ESRI.ArcGIS.esriSystem
Imports ESRI.ArcGIS.SystemUI
Imports ESRI.ArcGIS.Geodatabase
Imports ESRI.ArcGIS.DataSourcesFile



Public Class EditingForm


    Private m_toolbarMenu As IToolbarMenu



    Private Sub EditingForm_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

        'set buddy controls
        AxTOCControl1.SetBuddyControl(AxMapControl1)
        AxEditorToolbar.SetBuddyControl(AxMapControl1)
        AxToolbarControl1.SetBuddyControl(AxMapControl1)

        'Add items to the ToolbarControl
        AxToolbarControl1.AddItem("esriControls.ControlsOpenDocCommand", 0, -1, False, 0, esriCommandStyles.esriCommandStyleIconOnly)
        AxToolbarControl1.AddItem("esriControls.ControlsSaveAsDocCommand", 0, -1, False, 0, esriCommandStyles.esriCommandStyleIconOnly)
        AxToolbarControl1.AddItem("esriControls.ControlsAddDataCommand", 0, -1, False, 0, esriCommandStyles.esriCommandStyleIconOnly)
        AxToolbarControl1.AddItem("esriControls.ControlsMapZoomInTool", 0, -1, True, 0, esriCommandStyles.esriCommandStyleIconOnly)
        AxToolbarControl1.AddItem("esriControls.ControlsMapZoomOutTool", 0, -1, False, 0, esriCommandStyles.esriCommandStyleIconOnly)
        AxToolbarControl1.AddItem("esriControls.ControlsMapPanTool", 0, -1, False, 0, esriCommandStyles.esriCommandStyleIconOnly)
        AxToolbarControl1.AddItem("esriControls.ControlsMapFullExtentCommand", 0, -1, False, 0, esriCommandStyles.esriCommandStyleIconOnly)
        AxToolbarControl1.AddItem("esriControls.ControlsMapZoomToLastExtentBackCommand", 0, -1, False, 0, esriCommandStyles.esriCommandStyleIconOnly)
        AxToolbarControl1.AddItem("esriControls.ControlsMapZoomToLastExtentForwardCommand", 0, -1, False, 0, esriCommandStyles.esriCommandStyleIconOnly)

        'Add items to the custom editor toolbar          
        AxEditorToolbar.AddItem("esriControls.ControlsEditingEditorMenu", 0, -1, False, 0, esriCommandStyles.esriCommandStyleIconOnly)
        AxEditorToolbar.AddItem("esriControls.ControlsEditingEditTool", 0, -1, False, 0, esriCommandStyles.esriCommandStyleIconOnly)
        AxEditorToolbar.AddItem("esriControls.ControlsEditingSketchTool", 0, -1, False, 0, esriCommandStyles.esriCommandStyleIconOnly)
        AxEditorToolbar.AddItem("esriControls.ControlsUndoCommand", 0, -1, True, 0, esriCommandStyles.esriCommandStyleIconOnly)
        AxEditorToolbar.AddItem("esriControls.ControlsRedoCommand", 0, -1, False, 0, esriCommandStyles.esriCommandStyleIconOnly)
        AxEditorToolbar.AddItem("esriControls.ControlsEditingTaskToolControl", 0, -1, True, 0, esriCommandStyles.esriCommandStyleIconOnly)
        AxEditorToolbar.AddItem("esriControls.ControlsEditingTargetToolControl", 0, -1, True, 0, esriCommandStyles.esriCommandStyleIconOnly)

        'Create a popup menu
        m_toolbarMenu = New ToolbarMenuClass()
        m_toolbarMenu.AddItem("esriControls.ControlsEditingSketchContextMenu", 0, 0, False, esriCommandStyles.esriCommandStyleTextOnly)

        'share the command pool
        AxToolbarControl1.CommandPool = AxEditorToolbar.CommandPool
        m_toolbarMenu.CommandPool = AxEditorToolbar.CommandPool

        'Create an operation stack for the undo and redo commands to use
        Dim operationStack As IOperationStack = New ControlsOperationStackClass()
        AxEditorToolbar.OperationStack = operationStack

        'add some sample line data to the map
        Dim workspaceFactory As IWorkspaceFactory = New ShapefileWorkspaceFactoryClass()
        'relative file path to the sample data from EXE location
        Dim filePath As String = "..\..\..\..\data\USAMajorHighways"
        Dim workspace As IFeatureWorkspace = CType(workspaceFactory.OpenFromFile(filePath, AxMapControl1.hWnd), IFeatureWorkspace)
        Dim featureLayer As IFeatureLayer = New FeatureLayerClass()

        featureLayer.Name = "Highways"
        featureLayer.Visible = True
        featureLayer.FeatureClass = workspace.OpenFeatureClass("usa_major_highways")

        AxMapControl1.Map.AddLayer(CType(featureLayer, ILayer))

    End Sub

    Private Sub AxMapControl1_OnMouseDown(ByVal sender As System.Object, ByVal e As ESRI.ArcGIS.Controls.IMapControlEvents2_OnMouseDownEvent) Handles AxMapControl1.OnMouseDown
        'popup the menu
        If e.button = 2 Then m_toolbarMenu.PopupMenu(e.x, e.y, AxMapControl1.hWnd)
    End Sub
End Class