1. C/C++
  2. Fundamentals

Finding Rhino's Installation Folder

by Dale Fugier

This guide discusses how to find Rhino's installation folder using C/C++.

Problem

You are putting together an installer for your Rhino plugin. You would like to know how you can, programatically, get Rhino’s installation folder.

Solution

Rhino 64-bit

If you are looking for Rhino 64-bit, then you can find the location of Rhino’s installation folder by looking in the Windows Registry in this location:

Hive:  HKEY_LOCAL_MACHINE
Key:   SOFTWARE\McNeel\Rhinoceros\<version>x64\Install
Name:  InstallPath
Type:  REG_SZ

Rhino 32-bit

If you are looking for Rhino 5 32-bit on a system running a 64-bit version of Windows, then you can find the location of Rhino’s installation folder by looking in the Windows Registry in this location:

Hive:  HKEY_LOCAL_MACHINE
Key:   SOFTWARE\Wow6432Node\McNeel\Rhinoceros\<version>\Install
Name:  InstallPath
Type:  REG_SZ

If you are looking for Rhino 5 32-bit on a system running a 32-bit version of Windows, then you can find the location of Rhino’s installation folder by looking in the Windows Registry in this location:

Hive:  HKEY_LOCAL_MACHINE
Key:   SOFTWARE\McNeel\Rhinoceros\<version>\Install
Name:  InstallPath
Type:  REG_SZ