TCustomLazComponentQueue class
A queue to stream components, used for multi-threading or network.
Declaration
TCustomLazComponentQueue = class(TComponent)Inheritance
- TCustomLazComponentQueue
- TComponent
- TPersistent
- TObject
Descends from it: TLazComponentQueue
Description
ConvertComponentAsString converts a component to binary format with leading size information (using WriteLRSInt64MB).
When streaming components over network, they will arrive in chunks. TCustomLazComponentQueue tells you, if a whole component has arrived.
Methods
ReadComponentSize | protected | Reads the component size and the length for the size value. |
Create | public | Constructor for the class instance. |
Destroy | public | Destructor for the class instance. |
Clear | public | Clears all values in the internal queue storage. |
Write | public | Pushes values in Buffer onto the internal storage queue. |
CopyFrom | public | Copies the specified number of bytes from the stream and pushes the values onto the queue. |
HasComponent | public | Determines whether the queue contains the entire contents of the component at the top of the queue. |
ReadComponent | public | Reads a component from the queue and sets it owner. |
ConvertComponentAsString | public | Converts a component to binary format with a leading size information (using WriteLRSInt64MB). |
Events
OnFindComponentClass | public | Event handler signalled to get the class type for the specified class name in a TReader instance. |
Fields
FQueue | protected | Member with the dynamic storage for the queue.. |
Inherited
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
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.