source: extensions/PiwigoLib/PiwigoUpload/app.config

<?xml version="1.0"?>
<configuration>
    <configSections>
        <sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
            <section name="Com.Piwigo.Uploader.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowExeDefinition="MachineToLocalUser" requirePermission="false"/>
        </sectionGroup>
    </configSections>
    <userSettings>
      <Com.Piwigo.Uploader.Properties.Settings>
            <setting name="userData" serializeAs="String">
                <value/>
            </setting>
            <setting name="PwdData" serializeAs="String">
                <value/>
            </setting>
        </Com.Piwigo.Uploader.Properties.Settings>
    </userSettings>
  <system.net>
    <!-- proxy config if need, but normaly wu used the system setting ie internet explorer setting
    <defaultProxy> 
      <proxy
          usesystemdefault = "false"
          proxyaddress = "http://proxyserver:80"
          bypassonlocal = "true"
          />
      <bypasslist>
        <add address="http://[a-z]+\.contoso\.com/" />
      </bypasslist>
    </defaultProxy>-->
    <settings>
      <servicePointManager expect100Continue="false"/>
      <!-- usefull when you obtain a error just like this : The remote server returned an error: (417) Expectation Failed.-->
    </settings>
  </system.net>
<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0,Profile=Client"/></startup></configuration>