HWND ShowHelpV(HWND hOwner, void *help_dir, void *help_file, void *section)
{
#if defined(ENABLE_HTML_HELP)
static HWND (WINAPI *pHtmlHelpV)(HWND, void *, UINT, DWORD_PTR) = NULL;
if (pHtmlHelpV == NULL) {
DWORD cookie=0;
HMODULE hHtmlHelp = TLoadLibrary("hhctrl.ocx");
if (hHtmlHelp)
pHtmlHelpV = (HWND (WINAPI *)(HWND, void *, UINT, DWORD_PTR))
::GetProcAddress(hHtmlHelp, IS_WINNT_V ? "HtmlHelpW" : "HtmlHelpA");
if (pHtmlHelpV)
pHtmlHelpV(NULL, NULL, HH_INITIALIZE, (DWORD)&cookie);
}
if (pHtmlHelpV) {
WCHAR path[MAX_PATH];
MakePathV(path, help_dir, help_file);
if (section)
strcpyV(MakeAddr(path, strlenV(path)), section);
return pHtmlHelpV(hOwner, path, HH_DISPLAY_TOC, 0);
}
#endif
return NULL;
}
int ShellExtFunc(char *setup_dir, ShellExtOpe kind)
{
char buf[MAX_PATH];
int ret = FALSE;
MakePath(buf, setup_dir, CURRENT_SHEXTDLL);
HMODULE hShellExtDll = TLoadLibrary(buf);
if (hShellExtDll) {
BOOL (WINAPI *IsRegisterDll)(void) = (BOOL (WINAPI *)(void))
GetProcAddress(hShellExtDll, "IsRegistServer");
HRESULT (WINAPI *UnRegisterDll)(void) = (HRESULT (WINAPI *)(void))
GetProcAddress(hShellExtDll, "DllUnregisterServer");
if (IsRegisterDll && UnRegisterDll) {
switch (kind) {
case CHECK_SHELLEXT:
ret = IsRegisterDll();
break;
case UNREGISTER_SHELLEXT:
ret = UnRegisterDll();
break;
}
::FreeLibrary(hShellExtDll);
}
}
return ret;
}
BOOL InitHtmlHelpCore()
{
DWORD cookie=0;
HMODULE hHtmlHelp = TLoadLibrary("hhctrl.ocx");
if (hHtmlHelp)
pHtmlHelpW = (HWND (WINAPI *)(HWND, WCHAR *, UINT, DWORD_PTR))
::GetProcAddress(hHtmlHelp, "HtmlHelpW");
if (pHtmlHelpW)
pHtmlHelpW(NULL, NULL, HH_INITIALIZE, (DWORD)&cookie);
return pHtmlHelpW ? TRUE : FALSE;;
}
