例如，Get - Date命令表面上来看，只是简单的打印出当前的日期和时间，但实际上它返回的是一个DataTime类型的对象，这个对象是。NET框剪的一部分。

For example, the Get-Date command on the surface may appear to just print out the current date and time. But in fact, it returns an object of type DateTime, which is part of the.net framework.

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返回一个值，该值指示当前工作流设计器是否支持指定的类型。

Returns a value that indicates whether the specified type is supported on the current workflow designer.

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如果输入类型是当前节点类型的有效映射，则返回包含当前节点值的目标类型的实例。

If the input type is a valid mappings for the type of the current node then an instance of the target type containing the value of the current node is returned.

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