add initial examples, replacing the 'Demos/Demos3'. Will make it work cross-platform, OpenGL3/OpenGL2 and add more examples to it.

examples/ThirdPartyLibs/Gwen/Controls/VerticalSlider.h

@@ -0,0 +1,37 @@
+/*
+	GWEN
+	Copyright (c) 2010 Facepunch Studios
+	See license in Gwen.h
+*/
+
+#pragma once
+#ifndef GWEN_CONTROLS_VERTICALSLIDER_H
+#define GWEN_CONTROLS_VERTICALSLIDER_H
+
+#include "Gwen/Controls/Base.h"
+#include "Gwen/Controls/Button.h"
+#include "Gwen/Controls/Dragger.h"
+#include "Gwen/Gwen.h"
+#include "Gwen/Skin.h"
+#include "Gwen/Controls/Slider.h"
+
+
+namespace Gwen 
+{
+	namespace Controls
+	{
+		class GWEN_EXPORT VerticalSlider : public Slider
+		{
+			GWEN_CONTROL( VerticalSlider, Slider );
+
+			virtual void Layout( Skin::Base* skin );
+			virtual void Render( Skin::Base* skin );
+
+			virtual float CalculateValue();
+			virtual void UpdateBarFromValue();
+			virtual void OnMouseClickLeft( int x, int y, bool bDown );
+
+		};
+	}
+}
+#endif