migrate to advanced installer!

wufuc_aihelper/aihelper.c

@@ -0,0 +1,12 @@
+#include <Windows.h>
+#include <Msiquery.h>
+#include <tchar.h>
+
+UINT __stdcall AIHelper_SetUnloadEvent(MSIHANDLE hInstall) {
+    HANDLE hEvent = OpenEvent(EVENT_MODIFY_STATE, FALSE, _T("Global\\wufuc_UnloadEvent"));
+    if (hEvent) {
+        SetEvent(hEvent);
+        CloseHandle(hEvent);
+    }
+    return 1;
+}