Introduction - If you have any usage issues, please Google them yourself
To operate the use of curves, use double buffering is also the realization of curves do not flash, the code is as follows (VB2005), this is a category, create a new category, you can call the whole process in this class, call the method is simple: For example: the class name for tcdj can write dim XXXX as new tcdj, and then use the procedure XXXX. ....... operation can attribute the