FirstOrNullTSource(IEnumerableTSource, Boolean) | Gets the first VCardProperty from a collection of VCardProperty objects. The method takes the Index property into account and allows to specify whether or not to ignore empty items. |
FirstOrNullTSource(IEnumerableTSource, FuncTSource, Boolean, Boolean) | Gets the first VCardProperty from a collection of VCardProperty objects and allows filtering of the items, and to specify whether or not to ignore empty items. |