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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/app__task_8hpp_source.html below:

NCBI C++ ToolKit: include/gui/framework/app_task.hpp Source File

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IEventLogAction;

void(*)(CSeq_entry_Handle seh, IWorkbench *wb, const CSerialObject &obj) handler

virtual void CancelBackgrounded()=0

make a request to cancel backgrounded task (not called for foreground tasks)

virtual int GetStatusDisplayDelay()=0

returns delay in seconds used for certain fast (and not very important tasks) to only show its status...

virtual ETaskState Run()=0

execute the task, this function is called on the main UI thread if a task needs to execute in backgro...

virtual string GetStatusText() const =0

returns human-readable text describing the current task state

virtual void SetListener(CEventHandler *handler)=0

set a Listener; this allows a taks running in background to notify the Listener (usually Task Manager...

virtual ETaskState GetState()=0

returns the current task state

ETaskState

List of task states defining the task management FSM.

virtual void OnCancel()=0

this will be called on pending tasks that will be removed from the queue and won't get a chance to ru...

virtual string GetDescr() const =0

returns a human-readable description of the Task (optional)

virtual bool IsVisible()=0

returns true if the task should be visible in UI visible task shall represent operations understood b...

virtual IEventLogAction * CreateEventLogAction()=0

returns an action for activating task results (optional, can return NULL)

@ eCanceled

canceled by Task Manager

@ eBackgrounded

task is executing in background

@ eFailed

failed during execution

@ eCompleted

successfully finished

@ eInitial

has not been executed yet

@ eRunning

task is executing on the main UI thread

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

#define NCBI_GUIFRAMEWORK_EXPORT

Defines to provide correct exporting from DLLs in Windows.

Portable reference counted smart and weak pointers using CWeakRef, CRef, CObject and CObjectEx.

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