TAdvancedSingleInstance class

Declaration

Inheritance

1. TAdvancedSingleInstance
2. TBaseSingleInstance
3. TComponent
4. TPersistent
5. TObject

Description

TAdvancedSingleInstance is a TBaseSingleInstance descendent. It implements the required functionality using the IPC mechanism of the advancedipc unit: it uses files to communicate. This ensures the mechanism works on all platforms.

See also

• TBaseSingleInstance
• advancedipc

Properties

ID	public	The ID of this instance.
Global	public	Is the instance global (for all users) or local (for the current user).

Methods

DoServerReceivedCustomRequest	protected
GetIsClient	protected
GetIsServer	protected
GetStartResult	protected
Create	public	Create a new instance of TAdvancedSingleInstance.
Start	public	Start IPC communication and check the type of the application instance.
Stop	public	End IPC communication.
ServerCheckMessages	public	Check for incoming messages for the server.
ClientPostParams	public	Post client command-line parameters to the server.
ClientPostCustomRequest	public	Send a custom message to the server.
ClientSendCustomRequest	public	ClientSendCustomRequest.
ServerPostCustomResponse	public	Post a server response to the client.
ClientPeekCustomResponse	public	Check whether the server posted a response.

Events

OnServerReceivedCustomRequest

public

Server event triggered when a custom request is received.

Inherited

From TBaseSingleInstance (9)

Destroy DoServerReceivedParams IsClient IsServer OnServerReceivedParams SetStartResult StartResult TimeOutMessages TimeOutWaitForInstances

From TComponent (74)

_AddRef _Release BeforeDestruction CanObserve ChangeName ComObject ComponentCount ComponentIndex Components ComponentState ComponentStyle DefineProperties DesignInfo DestroyComponents Destroying ExecuteAction FindComponent FreeNotification FreeOnRelease GetChildOwner GetChildParent GetChildren GetDeltaStreams GetEnumerator GetIDsOfNames GetNamePath GetObservers GetOwner GetParentComponent GetTypeInfo GetTypeInfoCount HasParent iicrGetComponent InsertComponent Invoke IsImplementorOf Loaded Loading Name Notification ObserverAdded Observers OnGetDeltaStreams Owner PaletteCreated QueryInterface ReadDeltaState ReadDeltaStream ReadState ReferenceInterface RemoveComponent RemoveFreeNotification RemoveFreeNotifications SafeCallException SetAncestor SetChildOrder SetDesigning SetDesignInstance SetInline SetName SetParentComponent SetSubComponent Tag ToString TToStringNameMode UpdateAction Updated UpdateRegistry Updating ValidateContainer ValidateInsert ValidateRename VCLComObject WriteState

From TPersistent (5)

Assign AssignTo FPOAttachObserver FPODetachObserver FPONotifyObservers

From TObject (37)

AfterConstruction CheckDisposed ClassInfo ClassName ClassNameIs ClassParent ClassType CleanupInstance DefaultHandler DefaultHandlerStr Dispatch DispatchStr Disposed DisposeOf Equals FieldAddress Free FreeInstance GetDisposed GetHashCode GetInterface GetInterfaceByStr GetInterfaceEntry GetInterfaceEntryByStr GetInterfaceTable GetInterfaceWeak GetLastCastErrorInfo InheritsFrom InitInstance InstanceSize MethodAddress MethodName newinstance QualifiedClassName StringMessageTable SystemHasExtendedRTTI UnitName