/// <summary>
/// Checks if a determinate instance exists
/// </summary>
/// <param name="onContext">Context</param>
/// <param name="onFilterList">Filters to theck</param>
/// <returns>If exists</returns>
public bool Exist(ONContext onContext, ONFilterList onFilterList)
{
ONData lData = ONContext.GetComponent_Data(ClassName, onContext);
return(lData.Exist(this, onFilterList));
}
