private void btnHigh_Click(object sender, EventArgs e) { ZoomLevelSet zoomLevelSet = new ZoomLevelSet(); winformsMap1.CurrentExtent = ExtentHelper.ZoomToScale(zoomLevelSet.ZoomLevel03.Scale, winformsMap1.CurrentExtent, GeographyUnit.DecimalDegree, winformsMap1.Width, winformsMap1.Height); winformsMap1.Refresh(); }