App.config

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <configSections>
        <sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
            <section name="DXThemeManager" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowExeDefinition="MachineToLocalUser" requirePermission="false" />
        </sectionGroup>
    </configSections>
    <startup> 
        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.1" />
    </startup>

  <!-- в поле value вписать имя файла-->
  <appSettings>
    <add key="fileName" value="tile" />
    <add key="cacheDirectory" value="C://MapTiles"/>
    <add key="tileServer" value="http://{subdomain}.tile.openstreetmap.org/{tileLevel}/{tileX}/{tileY}.png"/>
  </appSettings>

  <userSettings>
    <DXThemeManager>
      <setting name="ApplicationThemeName" serializeAs="String">
        <value>Office2019White</value>
      </setting>
    </DXThemeManager>
  </userSettings>
</configuration>