# IBM Visualization Data Explorer Programmer's Reference

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### DXExecuteTaskGroup

Function

Runs the group of tasks in the current group in parallel, if possible.

Syntax
`
#include <dx/dx.h>
`

Error DXExecuteTaskGroup()

Functional Details

Begins executing the tasks belonging to the current task group. `DXCreateTaskGroup` waits for the completion of all tasks in this task group. The tasks are started in decreasing order of the work estimate given in `DXAddTask`.

Return Value

Returns `OK` if all tasks in the task group complete without error; otherwise, returns `ERROR`. Any error code returned is set by the task involved.

See Also

`DXAddTask, DXCreateTaskGroup`

13.8 , "Parallelism".

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