TTcpServer Members

The following tables list the members exposed by TTcpServer.

	Name	Description
	FComponentStyle	FComponentStyle is the field of the ComponentStyle read-only property.

Protected Methods

	Name	Description
	_AddRef	Called when an application uses a component interface.
	_Release	Called when an application releases a component interface.
	AssignTo	Copies the properties of an object to a destination object.
	Bind	This is Bind, a member of class TIpSocket.
	ChangeName	Sets the private, internal storage for the Name property to the string passed in NewName.
	DefineProperties	Designates methods for storing an object's unpublished data on a stream such as a form file.
	DefineProperties	Provides an interface for a method that reads and writes otherwise unpublished data.
	DoAccept	This is DoAccept, a member of class TCustomTcpServer.
	DoCreateHandle	This is DoCreateHandle, a member of class TBaseSocket.
	DoDestroyHandle	This is DoDestroyHandle, a member of class TBaseSocket.
	DoHandleError	This is DoHandleError, a member of class TBaseSocket.
	DoReceive	This is DoReceive, a member of class TBaseSocket.
	DoSend	This is DoSend, a member of class TBaseSocket.
	ErrorCheck	This is ErrorCheck, a member of class TBaseSocket.
	GetChildOwner	Returns the owner of a child component being read from a stream.
	GetChildParent	Returns the parent, or if there is no parent, returns the owner of a child component being read from a stream.
	GetChildren	Enumerates all child components.
	GetIDsOfNames	Maps a single member and an optional set of argument names to a corresponding set of integer dispatch identifiers (dispIDs).
	GetOwner	Returns the owner of a component.
	GetOwner	Returns the owner of an object.
	GetTypeInfo	Retrieves the type information for an object.
	GetTypeInfoCount	Returns the number of type information interfaces that an object provides (either 0 or 1).
	Invoke	Provides access to Automation properties and methods when the component wraps an Automation object.
	Listen	This is Listen, a member of class TCustomTcpServer.
	Loaded	Initializes the component after the form file has been read into memory.
	Loaded	Initializes the component after the form file has been read into memory.
	Notification	Forwards notification messages to all owned components.
	PaletteCreated	Responds when the component is created from the component palette.
	QueryInterface	Returns a reference to a specified interface if the object supports that interface.
	ReadState	Reads the state of the component.
	SetAncestor	Clears or sets csAncestor state in the component's ComponentState property.
	SetBytesReceived	This is SetBytesReceived, a member of class TBaseSocket.
	SetBytesSent	This is SetBytesSent, a member of class TBaseSocket.
	SetChildOrder	Sets the visual ordering of a child control.
	SetDesigning	Ensures that components inserted at design time have their design-mode flag set.
	SetDesignInstance	Ensures that components inserted at design time have their design-mode flag set.
	SetInline	Sets the csInline bit of the component's ComponentState property
	SetName	Sets the value of the Name property.
	SetParentComponent	Sets the parent component.
	Updated	Clears the csUpdating state in the component's ComponentState property when the component finishes updating.
	UpdateRegistry	Provides the interface for a method that adds type library and version information to the Registry on components that implement COM interfaces.
	Updating	Sets the csUpdating state in the component's ComponentState property.
	ValidateContainer	Determines whether an object can be inserted into a container.
	ValidateInsert	Provides the interface for a method that validates an child component before it is inserted.
	ValidateRename	Ensures that renaming an owned component does not create name conflict.
	WriteState	Writes the state of the component.

Public Events

	Name	Description
	OnError	Occurs when the socket fails in making, using, or shutting down a connection.
	OnReceive	Occurs after a socket receives data, but before it passes the data to the application.
	OnSend	Occurs just before a client socket writes information to the socket connection.

Public Methods

	Name	Description
	_AddRef	Increments the reference count for this interface.
	_Release	Decrements the reference count for this interface.
	Accept	This is the overview for the Accept method overload.
	AfterConstruction	Responds after the last constructor has executed.
	Assign	Copies the contents of another, similar object.
	BeforeDestruction	Performs any necessary actions before the first destructor is called.
	BeforeDestruction	Responds before the first destructor executes.
	ClassInfo	Returns a pointer to the runtime type information (RTTI) table for the object type.
	ClassName	Returns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument).
	ClassNameIs	Determines whether an object is of a specific type.
	ClassParent	Returns the type of the immediate ancestor of a class.
	ClassType	Returns the class reference for the object's class.
	CleanupInstance	Performs finalization on long strings, variants, and interface variables within a class.
	Close	Shuts down the socket connection.
	Close	Shuts down the socket connection.
	Create	Allocates memory and constructs a safely initialized instance of a component.
	Create	Creates an instance of TBaseSocket.
	Create	Creates an instance of TCustomTcpServer.
	Create	Creates an instance of TIpSocket.
	Create	Constructs an object and initializes its data before the object is first used.
	DefaultHandler	Provides the interface for a method that processes message records.
	Destroy	Disposes of the component and its owned components.
	Destroy	Destroys the TPersistent instance and frees its memory.
	Destroy	Frees the memory associated with the TBaseSocket object.
	Destroy	Frees the memory associated with the TCustomTcpServer object.
	Destroy	Disposes of an object instance.
	DestroyComponents	Destroys all owned components.
	Destroying	Indicates that the component and its owned components are about to be destroyed.
	Dispatch	Calls message-handling methods for the object, based on the contents of the Message parameter.
	Equals	Checks if the current instance and the parameter are equal.
	ExecuteAction	Executes an action.
	FieldAddress	This is the overview for the FieldAddress method overload.
	FindComponent	Indicates whether a given component is owned by the component.
	Free	Destroys an object and frees its associated memory, if necessary.
	FreeInstance	Deallocates memory allocated by a previous call to the System::TObject::NewInstance method.
	FreeNotification	Ensures that AComponent is notified that the component is going to be destroyed.
	FreeOnRelease	Frees the interface reference for components that were created from COM classes.
	GetComponent	Returns a reference to the component associated by the implementing class.
	GetEnumerator	Returns a TComponent enumerator.
	GetHashCode	Returns an integer containing the hash code.
	GetInterface	Retrieves a specified interface.
	GetInterfaceEntry	Returns the entry for a specific interface implemented in a class.
	GetInterfaceTable	Returns a pointer to a structure containing all of the interfaces implemented by a given class.
	GetNamePath	Returns a string used by the Object Inspector.
	GetNamePath	Returns the name of the object as it appears in the Object Inspector.
	GetParentComponent	Returns the containing Component.
	GetSocketAddr	Builds a valid network socket address.
	HasParent	Verifies whether the component has a parent.
	InheritsFrom	Determines the relationship of two object types.
	InitInstance	Initializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer.
	InsertComponent	Establishes the component as the owner of a specified component.
	InstanceSize	Returns the size in bytes of each instance of the object type.
	IsImplementorOf	Indicates whether the component implements a specified interface.
	LocalDomainName	Returns the domain name for the local host.
	LocalHostAddr	Returns the local IP address for the host machine.
	LocalHostName	Returns the local host name.
	LookupHostAddr	Looks up the host address based on the host name.
	LookupHostName	Looks up the host name based on the IP address.
	LookupPort	Returns the port number.
	LookupProtocol	Returns the protocol number.
	MapDomain	Maps the domain.
	MapSockType	Maps the socket type.
	MethodAddress	This is the overview for the MethodAddress method overload.
	MethodName	Returns the name of a class method by address.
	NewInstance	Allocates memory for an instance of an object type and returns a pointer to that new instance.
	Open	Creates the socket connection.
	Open	Opens the socket connection.
	PeekBuf	Reads the buffer.
	QueryInterface	Returns a reference to a specified interface if the object supports that interface.
	ReceiveBuf	Reads data buffers to the socket.
	ReceiveFrom	Receives a packet of information.
	Receiveln	Reads delimited lines of data from the socket.
	ReferenceInterface	Establishes or removes internal links that cause this component to be notified when the implementer of a specified interface is destroyed.
	RemoveComponent	Removes a specified component specified from the component's Components list.
	RemoveFreeNotification	Disables destruction notification that was enabled by FreeNotification
	SafeCallException	Handles exceptions in methods declared using the safecall calling convention.
	SafeCallException	Handles exceptions in methods declared using the safecall calling convention.
	Select	Tests for socket activity.
	SendBuf	Writes data buffers of size bufsize from the socket.
	Sendln	Writes delimited lines of data to the socket.
	SendStream	Writes a stream of data to the socket.
	SendTo	Sends a packet of information.
	SetSubComponent	Identifies whether the component is a subcomponent.
	ToString	Returns a string containing the class name.
	UnitName	Returns a string containing the unit name.
	UpdateAction	Updates the state of an action.
	WaitForConnection	Listens for TCP connections.
	WaitForData	Waits for the socket connection to be ready to transfer data.

Public Properties

	Name	Description
	BytesReceived	Returns the number of bytes received by the socket.
	BytesSent	Returns the number of bytes sent from the socket.
	ComObject	Specifies the interface reference implemented by the component.
	ComponentCount	Indicates the number of components owned by the component.
	ComponentIndex	Indicates the position of the component in its owner's Components property array.
	Components	Lists all components owned by the component.
	ComponentState	Describes the current state of the component, indicating when a component needs to avoid certain actions.
	ComponentStyle	Governs the behavior of the component.
	DesignInfo	Contains information used by the Form designer.
	Domain	Sets or returns the protocol family used by the socket.
	Domain	Sets or returns the protocol family used by the socket.
	Handle	Provides access to the unique-4 byte identifier that represents the instance of the socket object.
	Listening	Sets the server application to listen for client requests.
	Owner	Indicates the component that is responsible for streaming and freeing this component.
	Protocol	Sets or returns the protocol used by the socket.
	RemoteHost	Specifies the name of the remote system.
	RemotePort	Specifies the ID number of the port used by the RemoteHost to form the socket connection.
	ServerSocketThread	Specifies the TServerSocketThread in use.
	SockType	Sets or returns the socket type.
	VCLComObject	Represents information used internally by components that support COM.

Published Events

	Name	Description
	OnAccept	Occurs on server sockets just after the connection to a client socket is accepted.
	OnCreateHandle	Occurs when the handle to a socket becomes active.
	OnDestroyHandle	Occurs when a socket is deactivated.
	OnGetThread	A wrapper for the TServerSocketThread event of the same name.
	OnListening	Occurs when a server socket begins listening for connections.

Published Properties

	Name	Description
	Active	Indicates whether the socket connection is open and available for communication with other machines.
	BlockMode	Sets or returns the blocking mode of the socket.
	LocalHost	Specifies the name of the local system.
	LocalPort	Specifies the ID number of the port used by the socket connection.
	Name	Specifies the name of the component as referenced in code.
	Tag	Stores an integer value as part of a component.

What do you think about this topic? Send feedback!