adjust root folder

lib/main.cpp

@@ -0,0 +1,33 @@
+#include "main.h"
+
+/** @file lib/main.cpp  Provides DLLMain for Win32 build of library. */
+
+// a sample exported function
+void SomeFunction(const LPCSTR sometext)
+{
+    MessageBoxA(0, sometext, "DLL Message", MB_OK | MB_ICONINFORMATION);
+}
+
+BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
+{
+    switch (fdwReason)
+    {
+        case DLL_PROCESS_ATTACH:
+            // attach to process
+            // return FALSE to fail DLL load
+            break;
+
+        case DLL_PROCESS_DETACH:
+            // detach from process
+            break;
+
+        case DLL_THREAD_ATTACH:
+            // attach to thread
+            break;
+
+        case DLL_THREAD_DETACH:
+            // detach from thread
+            break;
+    }
+    return TRUE; // succesful
+}