This command will return the handle of the specified joint in the specified world. You can then use this handle to examine or alter that joint with the standard commands for joints. The ID should be the integer handle of the world to be checked. The index should be the number of the joint to be retrieved. You can get the number of joints in a world with b2GetWorldJointCount.
Syntax
Return as Integer = b2GetWorldJoint(ID as Integer, Index
as Integer)