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80I exported CRM created workflows, created project in Visual Studio from "Activity Library" template, added references to
Microsoft.Xrm.Sdk.dll
Microsoft.Xrm.Sdk.Workflow.dll
I can see CRM activities in VS toolbox,
BUT
Adding "Workflow" activity from toolbox on to a new workflow activity or opening existing CRM workflow in visual studio produces "Could not generate view for Workflow"
In VS Error tab 1 error comes out:
Error System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.Xrm.Sdk.Workflow.Activities.ActivityReference.CacheMetadata(NativeActivityMetadata metadata)
at System.Activities.NativeActivity.OnInternalCacheMetadata(Boolean createEmptyBindings)
at System.Activities.Activity.InternalCacheMetadata(Boolean createEmptyBindings, IList`1& validationErrors)
at System.Activities.ActivityUtilities.ProcessActivity(ChildActivity childActivity, ChildActivity& nextActivity, Stack`1& activitiesRemaining, ActivityCallStack parentChain, IList`1& validationErrors, ProcessActivityTreeOptions options, ProcessActivityCallback callback)
at System.Activities.ActivityUtilities.ProcessActivityTreeCore(ChildActivity currentActivity, ActivityCallStack parentChain, ProcessActivityTreeOptions options, ProcessActivityCallback callback, IList`1& validationErrors)
at System.Activities.ActivityUtilities.CacheRootMetadata(Activity activity, LocationReferenceEnvironment hostEnvironment, ProcessActivityTreeOptions options, ProcessActivityCallback callback, IList`1& validationErrors)
at System.Activities.Validation.ActivityValidationServices.InternalActivityValidationServices.InternalValidate()
at System.Activities.Validation.ActivityValidationServices.Validate(Activity toValidate, ValidationSettings settings)
at System.Activities.Presentation.Validation.ValidationService.CoreValidationWork(ValidationReason reason, CancellationToken cancellationToken) c:\work\TestActivity\ActivityLibrary1\ActivityLibrary1\CancelInvoice-5ACBFE4F-E9E1-4853-A676-25948AF7502A.xaml 0
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