/// <summary>
/// 独立信令 取消邀请接口
/// </summary>
/// <param name="param">取消邀请的传入参数</param>
/// <param name="cb">结果回调见NimSignalingDef.cs</param>
/// <param name="user_data">APP的自定义用户数据，SDK只负责传回给回调函数，不做任何处理</param>
public static void CancelInvite(NIMSignalingCancelInviteParam param, NimSignalingOptCancelInviteHandler cb)
{
NIMSignalingCancelInviteParam_C param_c = SignalHelper.GetNativeNIMSignalingCancelInviteParam(param);
int nSizeOfParam = Marshal.SizeOf(param_c);
IntPtr param_ptr = Marshal.AllocHGlobal(nSizeOfParam);
try
{
Marshal.StructureToPtr(param_c, param_ptr, false);
var user_ptr = NimUtility.DelegateConverter.ConvertToIntPtr(cb);
SignalingNativeMethods.nim_signaling_cancel_invite(param_ptr, NimSignalingCancelInviteCb, user_ptr);
}
catch (Exception ex)
{
}
finally
{
Marshal.FreeHGlobal(param_ptr);
}
}