Whether the identifier denotes an object of user-defined type or a type derived from a user-defined type. Whether the identifier denotes a function or a type derived from a function. The number of arguments to a function. The dollar sign is also a valid identifier in Visual C++.
Known to ancient Egyptians, watercolor painting is one of the oldest art forms. Artists from medieval times used watercolors for the illumination of parchment papers, but during the 16th, 17th and 18th centuries, watercolors were restricted to miniature paintings on card, ivory, parchment or porcelain.
Materials used for this watercolor technique: 1  Reference picture of a tree or forest. 2  An almost complete painting of the reference picture on watercolor paper (the paint should still be wet) 3  Painting palette with preferred watercolor paints.  Set of watercolor brushes (mainly round brushes, sizes 0- 1 6) Two cups of water.