diff --git a/qxldod/include/qxl_windows.h b/qxldod/include/qxl_windows.h
new file mode 100755
index 0000000..237ffd8
--- /dev/null
+++ b/qxldod/include/qxl_windows.h
@@ -0,0 +1,14 @@
+#ifndef _H_QXL_WINDOWS
+#define _H_QXL_WINDOWS
+
+enum {
+    QXL_ESCAPE_SET_CUSTOM_DISPLAY = 0x10001,
+};
+
+typedef struct QXLEscapeSetCustomDisplay {
+    uint32_t xres;
+    uint32_t yres;
+    uint32_t bpp;
+} QXLEscapeSetCustomDisplay;
+
+#endif /* _H_QXL_WINDOWS */