///---------------------------------------------------------------------
private void UpdateRendering()
{
if (!lineDataBackFront.IsDirty || !lineDataBackFront.IsDirty)
{
return;
}
lineDataBackFront.RefreshBuffers(lineThickness, borderThickness);
lineDataFront.RefreshBuffers(lineThickness, borderThickness);
lineDataBackFront.Clear();
lineDataFront.Clear();
}