For years, Visual Basic for Applications (VBA) has been a cornerstone of AutoCAD customization, allowing users to automate repetitive tasks, build custom tools, and enhance productivity through powerful macros. However, with the release of AutoCAD 2015, the landscape for VBA developers shifted significantly. While the raw power of VBA remained, the underlying engine evolved from a 32‑bit component to a native 64‑bit one, marking a fundamental change in how VBA interacts with the modern AutoCAD environment.
While Autodesk sometimes removes older downloads, as of mid-2014, the VBA enabler for AutoCAD 2015 was still officially supported. However, due to the age, you may need to rely on specialized archives (such as those provided by netxaydung.com or SoftStroi for archived links). Installation Steps: autocad 2015 vba module 64-bit
AutoCAD 2015 VBA Module 64-bit
In a 32-bit environment, memory pointers and window handles ( HWND ) are 32 bits wide. In a 64-bit environment, they expand to 64 bits. Using standard 32-bit data types like Long for handles causes immediate memory corruption or application crashes. The PtrSafe and LongPtr Solution For years, Visual Basic for Applications (VBA) has