此情况的范例可能为工作流程变数的变更或需要长时间进行的作业。
Examples of this could be the alteration of workflow variables or operations that take a long time.
对话方块，即可指定在讯息伫列工作中用于传送讯息作业的变数。
Select Variables dialog box to specify the variables to use in a send message operation in the Message Queue task.
递减特定变数并将结果储存起来，成为不可部分完成的作业。
Decrements the specified variable and stores the result, as an atomic operation.
下列范例会显示两个取得阵列变数，并在其元素上作业的程序。
The following example shows two procedures that take an array variable and operate on its elements.
如果变数是在作业系统环境中设定，便可当做NMAKE巨集来使用。
If a variable was set in the operating-system environment, it is available as an NMAKE macro.
如果变数是在作业系统环境中设定，便可当做NMAKE巨集来使用。
If a variable was set in the operating-system environment, it is available as an NMAKE macro.
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