# SignatureDefinition.h File Reference

`#include <FdoStd.h>`
`#include <Fdo/IDisposableCollection.h>`
`#include <Fdo/Schema/SchemaException.h>`
`#include <Fdo/ReadOnlyUnnamedCollection.h>`
`#include <Fdo/Connections/Capabilities/ReadOnlyArgumentDefinitionCollection.h>`

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## Classes
class | FdoReadOnlySignatureDefinitionCollection
class | FdoSignatureDefinition
class | FdoSignatureDefinitionCollection
| The FdoSignatureDefinitionCollection class represents a collection of FdoSignatureDefinition objects. More...