I have been working on this myself. I think my initial question, which I think I figured out, was a hook into the GeometryEditMethod. The EditFeatureAttributesViewModel requires a feature to be passed to it so you can't add this eventhandler within the OnOwnerInitialized Sub as there is no selected feature at this time. The CollectFeaturesTask seems very straight forward with the collectionstarted and collectionfinished which you can add no problem within the OnOwnerInitialized Sub.
What I ended up doing was add an eventhandler to the manageeditstask.viewcollectedfeaturespage.EditFeatureClick event within the OnOwnerInitialized sub. Within the editfeatureclick eventhandler I added the eventhandler for creatinggeometryeditoperations. I can loop through and gett the current editoperations but when I loop through or try to add geometry collection methods none exist at this point and it won't add any either. Any input would be appreciated.
Here is a code sample:
Protected Overrides Sub OnOwnerInitialized()
If Not MobileApplication.Current.Dispatcher.CheckAccess() Then
MobileApplication.Current.Dispatcher.BeginInvoke(DirectCast(Sub() OnOwnerInitialized(), System.Threading.ThreadStart))
Return
End If
' Find the Collect Features task
_collectFeaturesTask = TryCast(MobileApplication.Current.Project.Tasks.GetFirstExtensionOfType(GetType(CollectFeaturesTask)), CollectFeaturesTask)
If _collectFeaturesTask Is Nothing Then
Return
End If
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If _collectFeaturesTask IsNot Nothing Then
AddHandler _collectFeaturesTask.CollectionStarted, AddressOf _collectFeaturesTask_CollectionStarted
AddHandler _collectFeaturesTask.CollectionCompleted, AddressOf _collectFeaturesTask_CollectionCompleted
End If
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_manageEditsTask = TryCast(MobileApplication.Current.Project.Tasks.GetFirstExtensionOfType(GetType(ManageEditsTask)), ManageEditsTask)
_ViewCollectedFeaturesPage = _manageEditsTask.ViewCollectedFeaturesPage
If _manageEditsTask IsNot Nothing Then
MessageBox.Show("Not nothing")
AddHandler _manageEditsTask.ViewCollectedFeaturesPage.EditFeatureClick, AddressOf _manageEditsTask_ViewCollectedFeaturesPage_EditFeatureClick
End If
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Dim viewMapTask As ViewMapTask = TryCast(MobileApplication.Current.FindTask(GetType(ViewMapTask)), ViewMapTask)
If viewMapTask IsNot Nothing Then
_homePage = viewMapTask.ViewMapPage
End If
End Sub
Private Sub _manageEditsTask_ViewCollectedFeaturesPage_EditFeatureClick(sender As Object, e As FeatureEventArgs)
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_editFeatureAttributesViewModel = New EditFeatureAttributesViewModel(e.Feature)
_feature.BeginEdit()
AddHandler _editFeatureAttributesViewModel.CreatingGeometryEditOperations, AddressOf _editFeatureAttributesViewModel_CreatingGeometryEditOperations
_editFeatureAttributesPage = New EditFeatureAttributesPage(_editFeatureAttributesViewModel)
AddHandler _editFeatureAttributesPage.ClickOk, AddressOf _editFeatureAttributesPage_ClickOk
AddHandler _editFeatureAttributesPage.ClickCancel, AddressOf _editFeatureAttributesPage_ClickCancel
_feature = _editFeatureAttributesViewModel.Feature
Dim menuitem As MenuItem = New MenuItem
menuitem.Header = "Add MGRS Location"
menuitem.Command = AddLocationCommand2
_editFeatureAttributesPage.MenuItems.Add(menuitem)
MobileApplication.Current.Transition(_editFeatureAttributesPage)
End Sub
Private Sub _editFeatureAttributesViewModel_CreatingGeometryEditOperations(sender As Object, e As CreatingGeometryEditOperationsEventArgs)
_coordGeometryCollectionMethod = New MGRSGeometryCollectionMethod
For Each method As GeometryEditMethod In e.GeometryEditMethods
MessageBox.Show("edit method name is " & method.Name.ToString)
MessageBox.Show(" method.GeometryCollectionMethods.Count " & method.GeometryCollectionMethods.Count.ToString)
For Each gcm As GeometryCollectionMethod In method.GeometryCollectionMethods
MessageBox.Show("geometry collection method name is " & method.Name.ToString)
Next
method.GeometryCollectionMethods.Add(_coordGeometryCollectionMethod)
Next
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End Sub
