How to: Use the Argument Designer

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Compared to previous versions of the .NET Framework, the argument designer makes it easy to allow data to flow into and out of an activity. The designer is accessed by clicking the Arguments button in the lower-left corner of the design canvas. The designer contains a list of arguments that appear in a tabular form and can be sorted by each of the column headers, except for the Default value column. Each argument contains a name, in/out/in-out/property direction, type, and default expression value (if any). The name and the default expression value are editable text fields, and the type and direction are drop-downs. For more information about arguments, see Variables and Arguments.

To create a new argument

  1. Open a workflow or activity solution in Visual Studio 2010.

  2. Open the arguments designer by clicking the Arguments button in the lower-left corner of the design canvas. The arguments designer appears.

  3. Click the empty row labeled Create Argument. This will add a new row with a new argument using the following default values: argumentx for the Name where x is an integer with an initial value of 1 that is automatically incremented to create unique argument names, In for the Direction, and String for the Argument type. No value is added for Default value. You can change these values at any time during the workflow design process.

    noteNote:
    To delete an argument, select the argument by clicking it and then press the Delete key.

See Also

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Build Date:

2012-08-02
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