Assembly: Microsoft.Xna.Framework (in microsoft.xna.framework.dll)
You can check GamerPrivileges.AllowCommunication to determine if a player is allowed to send and receive communications prior to displaying a menu option that would call this method.
When someone accepts an invitation for Xbox LIVE Community Games, but the game is not installed already on his or her computer, the invited player will be taken to the game offer. The offer enables the invited player to download the game and accept the invitation to start the game.
For creator games still waiting to pass peer review, the game invitation will be sent over the Xbox LIVE service to the other player. If the game is not installed the invited player will be prompted with a message indicating that he or she can get the game from the game creator.