Shows CHM file (having manual, help info, etc.) located in @ScriptDir, file may have or not have the .chm extension
| #include "Miscellaneous.au3" _CHMShow( $cCHMFile [, $cTopic] ) |
| $cCHMFile | CHM (help manual) file |
| $cTopic = "" | Topic (section) to show |
_CHMShow("My manual","How to section")