gistfile1.cs

Tridion.Configuration.ConfigurationSections tcmConfigSections = (Tridion.Configuration.ConfigurationSections)ConfigurationManager.GetSection(Tridion.Configuration.ConfigurationSections.SectionName);                                
var tcmSectionElem = tcmConfigSections.Sections.Cast<Tridion.Configuration.SectionElement>().FirstOrDefault(s => !string.IsNullOrEmpty(s.FilePath) && s.FilePath.EndsWith("tridion.contentmanager.config", StringComparison.InvariantCultureIgnoreCase));                
if(tcmSectionElem != null)
{
	var tcmConfigFilePath = tcmSectionElem.FilePath;
	//load Tridion.ContentManager.config
	ExeConfigurationFileMap map = new ExeConfigurationFileMap { ExeConfigFilename = tcmConfigFilePath };
	var config = ConfigurationManager.OpenMappedExeConfiguration(map, ConfigurationUserLevel.None);
	var myCustomResolverSettings = ((AppSettingsSection)config.GetSection("My.Tridion.CustomResolving")).Settings;
	var schemaTitles = myCustomResolverSettings["schemaTitles"].Value.ToString();            
}