TYPE PROC_STATE :
This enumeration is used to issue the current operation state of asynchronous methods.
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Attributes:
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InOut:
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Name
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Initial
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Comment
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DORMAND
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0
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The operation is in IDLE state.
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BUSY
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The operation is busy.
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DONE
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The operation is done.
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ABORTED
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The operation has been aborted.
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ERROR
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An error occured.
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