To run Data Flow Analysis

1. Right-click a data item in the program open in the editor or in the Outline view.
2. Select Data Flow Analysis.
3. Select Backward or Forward depending on the direction in which you want to trace the data flow. The Data Flow tree displays in a new tabbed view in the IDE.This opens either the Data Flow tree or the Data Flow Graph in a new tabbed view in the IDE depending on the settings you have specified in Visual Studio.