BiomePainter.Form1.SwitchDimension C# (CSharp) Method

        private void SwitchDimension(Dimension newDim)
        {
            overworldToolStripMenuItem.Checked = dim == Dimension.Overworld;
            netherToolStripMenuItem.Checked = dim == Dimension.Nether;
            endToolStripMenuItem.Checked = dim == Dimension.End;

            if (world == null)
                return;
            if (!SaveIfNecessary())
                return;
            if (newDim == dim)
                return;

            ResetControls();

            dim = newDim;
            overworldToolStripMenuItem.Checked = dim == Dimension.Overworld;
            netherToolStripMenuItem.Checked = dim == Dimension.Nether;
            endToolStripMenuItem.Checked = dim == Dimension.End;

            String[] regions = world.GetRegionPaths(dim);
            foreach (String r in regions)
                lstRegions.Items.Add(RegionFile.ToString(r));
            return;
        }