Navigate to the or Products and Services section. Look for AutoCAD 2013 enhancements, updates, or add-ons.
In AutoCAD 2013, the 64-bit version of this module runs out-of-process. This means the VBA IDE and engine operate in a distinct memory space next to the primary acad.exe process. While this isolation prevents unstable VBA macros from crashing the entire AutoCAD session, it introduces specific configuration rules and memory-handling behaviors that developers must manage carefully. Prerequisites and System Compatibility
LongPtr dynamically resolves to a 32-bit long on 32-bit systems and a 64-bit long on 64-bit systems, safely holding memory addresses and pointers. Example: 32-Bit Legacy Declaration (Fails in 64-Bit) Declare Function GetActiveWindow Lib "user32" () As Long Use code with caution. Example: Updated 64-Bit Declaration (Succeeds)
Historically, VBA was deeply integrated into the Windows ecosystem as a 32-bit architecture. When 64-bit operating systems became the industry standard for CAD environments to utilize higher RAM thresholds, legacy 32-bit VBA engines could no longer run natively inside 64-bit host applications like AutoCAD.
(vl-load-com) (defun-q S::STARTUP () (command "_-vbaload" "C:/YourFolder/YourMacroName.dvb") ) Use code with caution. autocad 2013 vba module 64-bit
#If VBA7 Then ' Code is running in the new VBA 7 editor (AutoCAD 2013 64-bit) Declare PtrSafe Function FindWindow Lib "user32" Alias "FindWindowA" ( _ ByVal lpClassName As String, _ ByVal lpWindowName As String) As LongPtr #Else ' Code is running in older 32-bit VBA 6 environments Declare Function FindWindow Lib "user32" Alias "FindWindowA" ( _ ByVal lpClassName As String, _ ByVal lpWindowName As String) As Long #End If Use code with caution. Troubleshooting Common Errors Error: "VBA is not supported in this version of AutoCAD"
Do you have any throwing compile errors? Are you running custom UserForms with legacy controls?
Detection and troubleshooting checklist
: Full administrative privileges on the target local machine to write to system directories and registries. Step-by-Step Installation Guide Navigate to the or Products and Services section
For decades, AutoCAD users have relied on Visual Basic for Applications (VBA) to automate repetitive tasks, create custom workflows, and build powerful design tools directly within the CAD environment. However, a major shift occurred with the release of AutoCAD 2012 and 2013: the move to a true 64-bit application.
#If VBA7 Then ' 64-bit environment code goes here Declare PtrSafe Sub MyTargetAPI Lib "user32" (ByVal hwnd As LongPtr) #Else ' Legacy 32-bit environment code goes here Declare Sub MyTargetAPI Lib "user32" (ByVal hwnd As Long) #End If Use code with caution. Future-Proofing Your Macros
"It’s the update," said Sarah, the IT technician, chewing on the end of a Bic pen. She didn't look up from her tablet. "We moved everyone to Windows 10 64-bit over the weekend. Your old scripts are toast, Marcus."
Double-click the AutoCAD_2013_VBA_Enabler_64bit.exe file. This means the VBA IDE and engine operate
Then, he found it. A single post on page 47 of a forgotten forum, dated 2018.
Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long Use code with caution.
Practical recommendations for administrators and developers
Due to a licensing change with Microsoft, Autodesk was no longer authorized to distribute VBA version 6.0 and earlier for products released before 2014. The cutoff date for distribution was .