Warning: This method is deprecated. Deprecated components of Microsoft DirectX 9.0 for Managed Code are considered obsolete. While these components are still supported in this release of DirectX 9.0 for Managed Code, they may be removed in the future. When writing new applications, you should avoid using these deprecated components. When modifying existing applications, you are strongly encouraged to remove any dependency on these components.
Retrieves a block of data associated with a group, including the group name.This method is typically called after a system message is received, indicating that the group data has been modified. Deprecated.