Added "caching" support for [presumably] expensive Gdi+ graphics objects Font, StringFormat, Pen, and Brush, based on the notion that finding already-created versions of these objects in a std::map is way cheaper than calling into the Gdi+ library, especially given that said lib sometimes is going all the way down to the Windows GDI itself.
Added "caching" support for [presumably] expensive Gdi+ graphics objects Font, StringFormat, Pen, and Brush, based on the notion that finding already-created versions of these objects in a std::map is way cheaper than calling into the Gdi+ library, especially given that said lib sometimes is going all the way down to the Windows GDI itself.

robertroessler/rxmdocklet,robertroessler/rxmdocklet