ShowHelp

The ShowHelp function shows the specified topic from a given hlf-file.

BOOL WINAPI ShowHelp(
  const char *ModuleName,
  const char *HelpTopic,
  int   Flags
);

ModuleName

Name of the plugin module. It is passed to the plugin in the SetStartupInfo function.

HelpTopic

Help topic. If this parameter is NULL, then the topic "Contents" will be used.

Flags

Can be one of the following values (FarHelpFlags enum):

Constant	Description
FHELP_SELFHELP	Assume `ModuleName` is `Info.ModuleName` and show the topic from the help file of the calling plugin. If `HelpTopic` begins with a coulomb `':'`, the topic from the main FAR help file will be shown (in that case `ModuleName` is ignored).
FHELP_FARHELP	`ModuleName` is ignored and the topic from the main FAR help file will be shown. In this case you do not need to start the `HelpTopic` with a coulomb `':'`.
FHELP_CUSTOMFILE	Assume `ModuleName` specifies full path to a hlf-file (`c:\path\filename`).
FHELP_CUSTOMPATH	Assume `ModuleName` specifies full path to a folder (`c:\path`) from which a help file will be selected according to current language settings.
FHELP_USECONTENTS	If the specified `HelpTopic` is not found, will try to show the `"Contents"` topic. This flag can be combined with other flags.
FHELP_NOSHOWERROR	Disable file or topic not found error messages for this function call. This flag can be combined with other flags.

TRUE - parameters were successfully transferred to the Help Manager.
FALSE - one of the following errors occurred:

For convience when frequently used the following function can be used in your plugin:

void ShowHelp(const char *HelpTopic)
{
  Info.ShowHelp(Info.ModuleName,HelpTopic,0);
}

Info is defined as a global variable...

struct PluginStartupInfo Info;

...ans is initialized in the SetStartupInfo function:

void WINAPI _export SetStartupInfo(const struct PluginStartupInfo *Info)
{
. . .
  ::Info=*Info;
. . .
}