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Silverline Technologies announced that the company completed a strategic tie-up with Ontario, Canada-based company, Mainstream Partners Inc, a management consulting, business services and funding company, as part of its Small and Medium Enterprises market penetration strategy across North America.
Toronto is Canada's Newest Hotspot
From a campground in Alberta to a convention centre
in Tourists, local businesses and business travellers
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Hydro has launched its free service in Toronto's
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09.11.06
How to Use Tracepoints
 By Joel Murach
This article is an excerpt from the book: Murach's ASP.NET 2.0 Web Programming with C# 2005.
In addition to breakpoints, Visual Studio 2005 provides a new feature
called tracepoints. A tracepoint is a special type of breakpoint
that performs an action when it's encountered. Figure 4-10 shows
how tracepoints work.
To set a tracepoint, you use the When Breakpoint Is Hit dialog box
to indicate what you want to do when the tracepoint is encountered
or "hit." In most cases, you'll use the Print a Message option to
display a message in the Output window. As indicated in this
dialog box, the message can include variable values and other expressions
as well as special keywords.
For example, the message shown here will include the value of the
SelectedValue property of the ddlProducts control. You can see the
output from this tracepoint in the Output window in this figure.
Here, the first tracepoint message was displayed the first time
the page was requested. The second message was displayed when a
product was selected from the drop-down list. And the third message
was displayed when a quantity was entered and the Add to Cart button
was clicked.
Notice that the Output window is also used to display Visual Studio
messages like the first, second, and fifth messages shown in this
figure. Because of that, this window is displayed automatically
when you run an application. If you ever close it and want to reopen
it without running the application, however, you can do that using
the View > Output command.
To run a macro when a tracepoint is encountered, you select the
Run a Macro option. Then, the drop-down list becomes available and
you can select the macro you want to run from this list.
By default, program execution continues after the tracepoint action
is performed. If that's not what you want, you can remove the check
mark from the Continue Execution option. Then, the program will
enter break mode when the tracepoint action is complete.
After you set a tracepoint on a statement, the statement will be
highlighted and a breakpoint indicator will appear in the margin.
If program execution will continue after the tracepoint action is
performed, the indicator will appear as a large diamond. If the
program will enter break mode, however, the same indicator is used
as for a standard breakpoint.
Read
more here.
About the Author:
Joel Murach has been writing and editing for more than 10 years. During that time, he sharpened his programming skills as a contract programmer in San Francisco and his instructional skills as a trainer for HarperCollins Publishing. He always brings a vision to his projects that leads to improved effectiveness for his readers.
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