tencent cloud

// Obtain the contacts
TIMResult res = TencentIMSDK.FriendshipGetFriendProfileList((int code, string desc, List<FriendProfile> profile_list, string user_data)=>{
 // Process the async logic
});

// Add a two-way friend
FriendshipAddFriendParam param = new FriendshipAddFriendParam
{
  friendship_add_friend_param_identifier = "friend_userid",
  friendship_add_friend_param_friend_type = TIMFriendType.FriendTypeBoth,
  friendship_add_friend_param_remark = "nickname",
  friendship_add_friend_param_add_wording = "greeting"
};
TIMResult res = TencentIMSDK.FriendshipAddFriend(param, (int code, string desc, FriendResult result, string user_data)=>{
 // Process the async logic
});

// Two-way deletion
FriendshipDeleteFriendParam param = new FriendshipDeleteFriendParam
{
  friendship_delete_friend_param_friend_type = TIMFriendType.FriendTypeBoth,
  friendship_delete_friend_param_identifier_array = new List<string>
  {
    "user_id"
  }
};
TIMResult res = TencentIMSDK.FriendshipDeleteFriend(param, (int code, string desc, FriendResult result, string user_data)=>{
 // Process the async logic
});

// Check whether the friend relationship is one-way or two-way
FriendshipCheckFriendTypeParam param = new FriendshipCheckFriendTypeParam
{
  friendship_check_friendtype_param_check_type = TIMFriendType.FriendTypeBoth,
  friendship_check_friendtype_param_identifier_array = new List<string>{
    "user_id"
  }
};
TIMResult res = TencentIMSDK.FriendshipCheckFriendType(param, (int code, string desc, List<FriendshipCheckFriendTypeResult> result_list, string user_data)=>{
 // Process the async logic
});