public SubgraphLevelsControl()
{
InitializeComponent();
cbxLevels.PopulateWithObjectsAndText(
1.0M, "1.0",
1.5M, "1.5",
2.0M, "2.0",
2.5M, "2.5",
3.0M, "3.0",
3.5M, "3.5",
4.0M, "4.0",
4.5M, "4.5"
);
}