CHM Help API

You can call CHM Help API via command line or DLL function.

· Command line of HTML Help Viewer (HH.EXE)

You can call it via command line or ShellExecute of WinAPI.

Example:

HH.EXE ms-its:Helpfile.chm::/Topic.htm

HH.EXE mk:@MSITStore:Helpfile.chm::/Topic.htm

Use Mapid:

HH.EXE –mapid 1000 ms-its:Helpfile.chm

The prefix mk:@MSITStore is an earlier version of the ms-its protocol that works with Microsoft Internet Explorer 3.0 or later.

-mapid Opens the requested .chm in the Help viewer, and uses a context ID to request a URL to display.

· HTML Help API (HtmlHelp function in HHCtrl.ocx)

You can call the function via DLL mode.

HWND HtmlHelp(

HWND hwndCaller,

LPCSTR pszFile,

UINT uCommand,

DWORD dwData) ;

Example:

HWND hwnd =

HtmlHelp(

GetDesktopWindow(),

"c:\\Helpfile.chm::/Topic.htm ",

HH_DISPLAY_TOPIC,

NULL) ;

Use mapid:

HWND hwnd =

HtmlHelp(

GetDesktopWindow(),

"c:\\Helpfile.chm",

HH_HELP_CONTEXT,

1000) ;

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