Implement DllMain and store the Dll hinstance.

dlls/hhctrl.ocx/Makefile.in

@@ -8,6 +8,7 @@ IMPORTS   = advapi32 comctl32 shell32 ole32 user32 gdi32 kernel32
 C_SRCS = \
 	help.c \
 	hhctrl.c \
+	main.c \
 	regsvr.c
 
 RC_SRCS = version.rc

dlls/hhctrl.ocx/main.c

@@ -0,0 +1,45 @@
+/*
+ * HTML Help
+ *
+ * Copyright 2005 James Hawkins
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <stdarg.h>
+
+#include "windef.h"
+#include "winbase.h"
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(htmlhelp);
+
+HINSTANCE hhctrl_hinstance;
+
+BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD fdwReason, LPVOID lpvReserved)
+{
+    TRACE("(%p,0x%08lx,%p)\n", hInstance, fdwReason, lpvReserved);
+
+    switch (fdwReason)
+    {
+    case DLL_PROCESS_ATTACH:
+        hhctrl_hinstance = hInstance;
+        DisableThreadLibraryCalls(hInstance);
+        break;
+    case DLL_PROCESS_DETACH:
+        break;
+    }
+    return TRUE;
+}