C# Reverse

Add [C# Import] menu in Astah to enable to import C# source code to Astah from the menu. After importing, you are able to auto-generate Class Diagrams.


Compatible with
Astah Professional 6.5 or later and UML
Latest Version
1.0.6 (July 17, 2015)
No technical support is provided.

How to Install

  1. Download the Plug-in file.
  2. After the download is complete, drag the downloaded .jar file to an open instance of Astah. A pop-up will appear asking you to confirm installation, choose [Yes]. If the pop-up below opens restart Astah.
    Astah Plugin Install
  3. If you see the [Import C#] option under [Tools] – [C#], your installation is complete!
    Importing C# source code


How to Use

First, you need to export C# code to XML using Doxygen.

    1. Download and install Doxygen.
    2. Launch Doxygen from [doxygen] – [Doxywizard]. [Doxygen GUI Frontend] dialog opens, select [Wizard] – [Project] and specify the items as below.
      Doxygen Setting
Project name Enter the project name
Project version or id Enter Project version or ID
Source code directly Specify the source code directory
Scan recursively Check if you want to scan recursively including the subfolders.
Destination directory Do not use the following symbols &, <, >, * or @.


  1. Next move to [Wizard] – [Mode] and check the items shown in the figure below.
    Doxygen Setting for importing C# Source code
  2. Now configure [Wizard] – [Output] and check [XML].
    Doxygen setting for importing C# source code
  3. Go to [Expert] – [Input] and specify the encoding which is used in the source code (e.g. UTF-8, CP1252). List of supported encoding.
    Configuring Doxygen for importing C# source code
  4. Still in [Expert] – [Preprocessor]. Make sure to check the three options, [Enable_Preprocessing], [Macro_Expansion] and [Search_includes], rest can be your preference.
    Configuring Doxygen for importing C# source code
  5. Go to [File] – [Save] to save all the configuration you made, and go back to [Doxygen GUI frontend] dialog, select [Run] tab. Specify the working directory and click [Run doxygen]. If Doxygen finished converting without any errors, you will see the message “Doxygen has finished” in the window.
    Configuring Doxygen Setting
  6. In Astah, create a new file or open an existing file. Then go to [Tools] – [C#] – [Import C#] and start loading the XML file.
    Importing C# source code
  7. To create a class diagram with imported source code, right-click on a package and generate a Class Diagram automatically.



When import fails

  • Make sure that you set the correct encoding in Doxygen. Please follow the step below to re-generate the .xml file.
    1. Check which encoding is used in the C# source code. All source code files need to be using the same encoding.
    2. Launch Doxygen. Go back to Step.3 to configure the setting.
    3. In the Step.5, set the same encode that you checked that is used in the C# source code. (Reference: List of Encode Doxygen supports)
    4. Go back to Step.8 and generate the XML and try importing to Astah again.


  • We tested this plugin with Doxygen version 1.8.6. If you are using another version of Doxygen, use Version 1.8.6.

If this solution didn’t help, please contact us.


Download Old Versions

Version Update Compatible with Download
1.0.5 2015.2.23 Version 6.5 or later Download Icon
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