diff --git a/reactos/w32api/include/dxerr9.h b/reactos/w32api/include/dxerr9.h
new file mode 100644
index 00000000000..36605c92c12
--- /dev/null
+++ b/reactos/w32api/include/dxerr9.h
@@ -0,0 +1,53 @@
+/*
+
+	dxerr9.h - Header file for the DirectX 9 Error API
+
+	Written by Filip Navara <xnavara@volny.cz>
+
+	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.
+
+*/
+
+#ifndef _DXERR9_H
+#define _DXERR9_H
+#if __GNUC__ >=3
+#pragma GCC system_header
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+const char *WINAPI DXGetErrorString9A(HRESULT);
+const WCHAR *WINAPI DXGetErrorString9W(HRESULT);
+const char* WINAPI DXGetErrorDescription9A(HRESULT);
+const WCHAR* WINAPI DXGetErrorDescription9W(HRESULT);
+HRESULT WINAPI DXTraceA(const char*,DWORD,HRESULT,const char*,BOOL);
+HRESULT WINAPI DXTraceW(const char*,DWORD,HRESULT,const WCHAR*,BOOL);
+
+#ifdef UNICODE
+#define DXGetErrorString9 DXGetErrorString9W
+#define DXGetErrorDescription9 DXGetErrorDescription9W
+#define DXTrace DXTraceW
+#else
+#define DXGetErrorString9 DXGetErrorString9A
+#define DXGetErrorDescription9 DXGetErrorDescription9A
+#define DXTrace DXTraceA
+#endif 
+
+#if defined(DEBUG) || defined(_DEBUG)
+#define DXTRACE_MSG(str)	DXTrace(__FILE__,(DWORD)__LINE__,0,str,FALSE)
+#define DXTRACE_ERR(str,hr)	DXTrace(__FILE__,(DWORD)__LINE__,hr,str,FALSE)
+#define DXTRACE_ERR_MSGBOX(str,hr)	DXTrace(__FILE__,(DWORD)__LINE__,hr,str,TRUE)
+#else
+#define DXTRACE_MSG(str)	(0L)
+#define DXTRACE_ERR(str,hr)	(hr)
+#define DXTRACE_ERR_MSGBOX(str,hr)	(hr)
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+#endif