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public: static void TrySomething() { throw gcnew String("Error that throws string!"); } }; int main() { try { R::TrySomething(); } catch(String^ s) { Console::WriteLine(s); } } The subtlety arises when you run this C++/CLI code from another language. If the code in Listing 10-7 is compiled to a DLL assembly and reference in C#, and you call the R::TrySomething method, a RuntimeWrappedException object is created. Note that cross-language work is best done in the Visual Studio IDE, so you can be sure that the right references, assembly signing, and manifests are all done properly. Create two projects in the same solution (see Listing 10-8). Set the C# project as the startup project, and configure the C++/CLI project as a DLL. Reference the C++/CLI project from the C# project, and build. Listing 10-8. Wrapping a Nonexception Object // runtimewrappedexception.cs using System; using System.Collections.Generic; using System.Text; using System.Runtime.CompilerServices; class Program { static void Main(string[] args) { try { R.TrySomething(); }

WEP is a compromise in security terms, but try to remain realistic when considering your immediate environment If your wireless network is within your home, is it likely that the couple living next door will have the know-how to crack a wireless network connection Are they likely to want to do so On the other hand, if you live in an apartment block with several other computer-literate people, or if you work in an office, the risk might be considerably higher Some people suggest that breaking into wireless networks is almost a sport for certain individuals If this is the case, and you feel you simply can t use WEP, consider installing Windows drivers using NdisWrapper, as explained in this chapter But whatever the case, bear in mind that confidential Internet connections, such as those for banking and shopping sites, are independently protected using a separate technology.

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Next we need to add the contact information to the contact panel. In this example, we ll simply add a TextBlock for each of the contact attributes to display a plain text value. private void PrintFormatted(object sender, RoutedEventArgs e) { PrintDocument doc = new PrintDocument(); doc.PrintPage += (s, args) => { StackPanel customPrintPanel = new StackPanel();

You are implementing an integration point where message order must be maintained. Messages must be delivered from your source system to your destination system in first-in/first-out (FIFO) sequence.

See the sidebar titled Secure Connections on the Net later in this chapter for details..

Malware is made possible by our frequent use of applications on our computers It s the nature of the software industry that new versions of software are released regularly with new features And with new features come bugs, which in turn means new possibilities for exploitation by pesky code But when systems are properly defended against these threats, compromises in system integrity can be mitigated Here is a good summation of our suggestions for best practices in combating malware Every Mac should have antivirus software installed on it, and you should run virus scans regularly to mitigate the damage that can be inflicted from an infection Scheduled scans are also important to maintain the integrity of an antivirus solution.

The fourth important task you need to be able to do is remove data. You do this with the DELETE statement. The DELETE statement has the same implications as the UPDATE statement. It s all too easy to delete every row (not just the wrong rows) in a table by forgetting the WHERE clause, so be careful. The DELETE statement removes entire rows, so it s not necessary (or possible) to specify columns. Its basic syntax is as follows (remember, the WHERE clause is optional, but without it all rows will be deleted):

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