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workflowdesigner_load-doesn't-remove-symbol-property.md

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WorkflowDesigner.Load doesn't remove symbol property

Scope

Major

Version Introduced

4.5

Version Reverted

4.5.2

Source Analyzer Status

Planned

Change Description

When targeting the .NET Framework 4.5 in the workflow designer, and loading a re-hosted 3.5 workflow with the xref:System.Activities.Presentation.WorkflowDesigner.Load method, a xref:System.Xaml.XamlDuplicateMemberException?displayProperty=name is thrown while saving the workflow.

  • Quirked
  • Build-time break

Recommended Action

This bug only manifests when targeting .NET Framework 4.5 in the workflow designer, so it can be worked around by setting the WorkflowDesigner.Context.Services.GetService<DesignerConfigurationService>().TargetFrameworkName to the 4.0 .NET Framework.

Alternatively, the issue may be avoided by using the xref:System.Activities.Presentation.WorkflowDesigner.Load(System.String) method to load the workflow, instead of xref:System.Activities.Presentation.WorkflowDesigner.Load.

Affected APIs

  • M:System.Activities.Presentation.WorkflowDesigner.Load

Category

Windows Workflow Foundation (WF)

More information