Mac OS X的字体的研究，以及要用，非常有用 -Mac OS X font research, as well as to use, very useful

列举和预览ios系统支持的字体，用表格呈现，然后支持编辑（删除和移动） ,Support list and preview IOS font, with the form, and then support editing ( delete and move )

This sample shows how to use Core Text to display large bodies of text, text with mixed styles, and text with special style or layout requirements, such as use of custom fonts. A version of this sample was used in the "Advanced Text Handling for iPho