Simply installing the 64-bit module does not guarantee your old .dvb (Digital VBA) files will run. Here is how to update common code patterns.
The 64-bit VBA environment cannot host 32-bit OCX controls (e.g., MSCOMCTL.OCX, Windows Common Controls). You have three options: autocad 2013 vba module 64-bit
Understanding the distinction is crucial to avoid crashes and broken macros. Simply installing the 64-bit module does not guarantee
| Feature | 32-bit VBA Module | 64-bit VBA Module |
| :--- | :--- | :--- |
| Process Space | 2-4 GB max | 16+ TB virtual |
| Declare Statements | Standard Declare Function | Requires PtrSafe keyword |
| LongPtr Type | Not supported | Supported (aliases to 32-bit or 64-bit) |
| COM Objects | Works with 32-bit OCXs | Fails with 32-bit OCXs; needs 64-bit controls |
| Use Case | AutoCAD 2011 and earlier | AutoCAD 2012, 2013, 2014, 2015+ | You have three options: Understanding the distinction is
If you attempt to run a legacy 32-bit VBA macro that uses Windows API calls (e.g., accessing the file system or registry) on the 64-bit module without modifications, AutoCAD will crash immediately due to pointer size mismatches.