GstarCAD 2026 VBA Migration Guide

Contents

• #1. Migrate Project Code
  • #1.1. Run AutoCAD® VBA Manager
  • #1.2. Load Project File (.dvb) to Be Migrated
  • #1.3. Run VBA Editor
  • #1.4. Export VBA Project
  • #1.5. Run VBA Editor in GstarCAD
  • #1.6. Modify Project Name
  • #1.7. Import File
  • #1.8. Import Code of ' ThisDrawing '
  • #1.9. Save as GstarCAD VBA Project (.vbi)
• #2. Modify Migrated Code
• #3. Copyright

1. Migrate Project Code

1.1. Run AutoCAD® VBA Manager

Run VBAMAN command to launch the VBA Manager in AutoCAD® as shown below.

1.2. Load Project File (.dvb) to Be Migrated

Click Load… and select the DVB file to load, e.g. 'v baSample.dvb ' as shown below:

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1.3. Run VBA Editor

Click Visual Basic Editor button to launch VBA editor and all the project contents of ' vbaSample.dvb ' are listed on the left side of the VBA editor, and the project name is 'MySection '.

1.4. Export VBA Project

1. Right click on the items under Forms , Modules or Class Modules , e.g. right click on the ' frmAbout ' form under Forms and select Export File…, as shown below:

2. Specify a folder to save the exported file (The extension of exported form file is '. frm ').

3. In the same way, export modules and class modules to files (The extension of exported module is ' .bas ', and the extension of exported class module is ' .cls ').

4. Double click on ' ThisDrawing ' under AutoCAD Objects to show and copy the codes to a new file.

1.5. Run VBA Editor in GstarCAD

Run VBAIDE command to launch the VBA editor in GstarCAD, same as that of AutoCAD. A new empty project ' GCADProject ' is automatically created by default.

1.6. Modify Project Name

Right click on the ' GCADProject ' and select GCADProject Properties(E)… , the Project Properties dialog window pops out. Modify the Project Name to ' MySection ' as same name as that in AutoCAD, and click OK .

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1.7. Import File

1. Right click on 'MySection ' project and select the Import File… The Import File dialog window pops out, as shown below.

2. Select all files just exported from AutoCAD and import into ' MySection ' project, as shown below:

1.8. Import Code of ' ThisDrawing '

Copy the source codes exported from ' ThisDrawing ' in AutoCAD to ' ThisDrawing ' here in GstarCAD VBA editor.

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1.9. Save as GstarCAD VBA Project (.vbi)

Click File → Save to save ' MySection ' project as ' vbaSample.vbi ', as shown below:

2. Modify Migrated Code

1. Replace the preifx ' Acad ' of COM object name used in migrated codes with ' Gcad ' in correspondance with GstarCAD, e.g. replace " AcadLine " with " GcadLine ".

2. Replace the ' autocad. a pplication ' used in migrated codes with ' gcad.application ' in correspondance with GstarCAD.

3. Copyright

Copyright reserved: Gstarsoft Co.,Ltd

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