Microsoft 9GD00001 manual Microsoft Visual Studio 2010 a Beginner’s Guide

368Microsoft Visual Studio 2010: A Beginner’s Guide

Imports EnvDTE80

Imports EnvDTE90

Imports EnvDTE90a

Imports EnvDTE100

Imports System.Diagnostics

Public Module RecordingModule

Sub ValidateStringParameter() DTE.ActiveDocument.Selection.WordLeft() DTE.ActiveDocument.Selection.WordRight(True) DTE.ActiveDocument.Selection.CharLeft(True) DTE.ActiveDocument.Selection.Copy() DTE.ActiveDocument.Selection.EndOfLine() DTE.ActiveDocument.Selection.NewLine() DTE.ActiveDocument.Selection.Text = "if" DTE.ExecuteCommand("Edit.InsertTab") DTE.ExecuteCommand("Edit.InsertTab") DTE.ActiveDocument.Selection.Text = "string.IsNullOrEmpty(" DTE.ActiveDocument.Selection.Paste() DTE.ActiveDocument.Selection.Text = ")" DTE.ActiveDocument.Selection.LineDown() DTE.ActiveDocument.Selection.Text =

"throw new ArgumentNullException(""" DTE.ActiveDocument.Selection.Paste() DTE.ActiveDocument.Selection.Text = """, """

DTE.ActiveDocument.Selection.Paste()

DTE.ActiveDocument.Selection.Text =

"value is not valid."")" DTE.ActiveDocument.Selection.LineDown() DTE.ActiveDocument.Selection.NewLine()

End Sub

End Module

In Listing 12-3, all of the namespaces that begin with EnvDTE have code that allows you to manipulate the VS environment. The macro itself is a Sub within a Module.

Each of the statements corresponds to the steps used to create the macro in the preceding section. For example, the Find And Replace window has several options, which this macro populates, regardless of whether they contribute toward the purpose of the macro.

Opening a macro in the editor can be very useful if you want to make a quick change, without needing to re-record the entire macro. For example, what if you missed a keystroke or misspelled something? You can just edit the code, save the file, close the Macro editor, and then re-run the macro. In fact, there is a problem with the macro for C#; it will only