public sealed class MemoryConnectionProperties : Connector 

// Connects to the default memory geodatabase, if exists otherwise throws exception
MemoryConnectionProperties memoryConnectionProperties = new MemoryConnectionProperties();

// Alternatively, connects to memory geodatabase named as 'InterimMemoryGeodatabase'
// MemoryConnectionProperties memoryConnectionProperties = new MemoryConnectionProperties("InterimMemoryGeodatabase");

// Opens the memory geodatabase
using (Geodatabase geodatabase = new Geodatabase(memoryConnectionProperties))
{
  // Use memory geodatabase
}

// Create the memory connection properties to connect to  default memory geodatabase
MemoryConnectionProperties memoryConnectionProperties = new MemoryConnectionProperties();

// Alternatively create the memory connection properties to connect to memory geodatabase named as 'InterimMemoryGeodatabase'
// MemoryConnectionProperties memoryConnectionProperties = new MemoryConnectionProperties("InterimMemoryGeodatabase");

// Create and use the memory geodatabase
using (Geodatabase geodatabase = SchemaBuilder.CreateGeodatabase(memoryConnectionProperties))
{
  // Create additional schema here
}

// Create the memory connection properties to connect to default memory geodatabase
MemoryConnectionProperties memoryConnectionProperties = new MemoryConnectionProperties();

// Delete the memory geodatabase
SchemaBuilder.DeleteGeodatabase(memoryConnectionProperties);