Added original SDK code for Alien Swarm.

public/vgui/Cursor.h

@@ -0,0 +1,45 @@
+//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Holds the enumerated list of default cursors
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef CURSOR_H
+#define CURSOR_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include <vgui/VGUI.h>
+
+namespace vgui
+{
+
+enum CursorCode
+{
+	dc_user,
+	dc_none,
+	dc_arrow,
+	dc_ibeam,
+	dc_hourglass,
+	dc_waitarrow,
+	dc_crosshair,
+	dc_up,
+	dc_sizenwse,
+	dc_sizenesw,
+	dc_sizewe,
+	dc_sizens,
+	dc_sizeall,
+	dc_no,
+	dc_hand,
+	dc_blank, // don't show any custom vgui cursor, just let windows do it stuff (for HTML widget)
+	dc_last,
+};
+
+typedef unsigned long HCursor;
+
+}
+
+#endif // CURSOR_H