MP.SPDevExt Blog Series:
Part 1: MP.SPDevExt VSIX for SharePoint 2010
Part 2: MP.SPDevExt VSIX for SharePoint 2010 : Custom Field Type
Part 3: MP.SPDevExt VSIX for SharePoint 2010 : Sandbox Workflow Action (Currently reading)
Part 4: MP.SPDevExt VSIX for SharePoint 2010 : Sandbox Solution Validator
If you are frequently using the SPD workflows, then at
times, you must have felt need of
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