public override void Paint(Device device)
{
Cull cull = device.RenderState.CullMode;
//bool alphaEnable = device.RenderState.AlphaBlendEnable;
device.RenderState.CullMode = Cull.None;
//device.RenderState.AlphaBlendEnable = true;
// device.RenderState.SourceBlend = Blend.BothSourceAlpha;
// device.RenderState.DestinationBlend = Blend.DestinationColor;
//device.SetStreamSource(0, m_roiVB, 0);
device.VertexFormat = CustomVertex.TransformedColored.Format;
//device.DrawPrimitives(PrimitiveType.TriangleList, 0, 2);
device.DrawUserPrimitives(PrimitiveType.LineList, 1, verts);
//device.RenderState.AlphaBlendEnable = alphaEnable;
device.RenderState.CullMode = cull;
}