First of all, a title indicate that in the MSN, the chat window may be a custom class. The big house can take a look at SPY . To achieve CreateWindow, SetWindowlong or SubclassWindow, this is not the topic I am discussing now. Ok, let's take a look at the effect first: The main thing I achieve is: (1) Font format; (b) hyperlink; (3) background picture; (4) animation expressions
Ok, start.
The implementation of the font is very simple, I didn't use RTF, I feel too cumbersome, I don't need that complicated control.
Just a structure charformat:
