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Note For the rest of the chapter I will not list the .cpp file, as it is the same for every example. I will also remove compiler-generated comments and directives, unless they aid in the reading of the code, just to save a tree or two when printing this book.

Now use the New File Assistant to create a new controller class called SecondLevelViewController, making it a subclass of UITableViewController with no .xib file. Like the RootViewController class, SecondLevelViewController requires just a few changes to the Xcode-generated default to make it work the way we want. Begin in the .h file, adding the choice instance variable and property to keep track of which item the user chose at the root level:

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This allows you to specify how the IDE will react to given situations. Figure 3-34 shows the various options you can set. For dealing with checked-in items, you have the following options when performing a save: check out the file automatically; prompt for check-out; or perform a Save As. For files you are editing: check out automatically (when you start editing); prompt for check-out; prompt for exclusive check-out; or do nothing. If you choose the last option you will not be able to edit the file at all unless you check Allow checked-in items to be edited.

Remember back in 4 when I discussed delegates and events and you thought to yourself, That would be a great way to handle an event-driven GUI application! You know what You were right. This is exactly how the Win Form handles its user- and system-generated events. Win Forms uses the .NET Framework s event model to handle all the events that take place within the form. This requires a delegate, an event source class, and an event receiver class. (You might want to revisit 4 if this means nothing to you.) Fortunately, many of the delegates and event source classes you need to worry about are already part of the .NET Framework class library. You have to define the event receiver class. For the following example, you ll use the MouseDown event that s defined in the event source class System::Windows::Forms::Control: event MouseEventHandler ^MouseDown;

This event uses the MouseEventHandler delegate, which is defined in the System::Windows::Forms namespace: public delegate void MouseEventHandler(Object^ sender, MouseEventArgs^ e); For those of you who are curious, the class MouseEventArgs provides five properties that you can use to figure out information about the MouseDown event: Button: An enum class specifying which mouse button was pressed down Clicks: The number of times the mouse was pressed and released Delta: The number of detents the mouse wheel was rotated A detent is one notch of the mouse wheel X: The horizontal location of the mouse where it was clicked Y: The vertical location of the mouse where it was clicked The first step in creating an event receiver class is to create the event handler that will handle the event generated by the event source class.

These options deal with how your local system will interact with the Team Foundation Server. The first option is whether to use the Team Foundation Proxy Server (TFPS). TFPS was built to facilitate remote access to the Team Foundation Version Control. Often the Internet is less than reliable there are outages or there are a large number of files involved. TFPS is installed on a server in a remote location. When you use TFPS, the first check for a file is made on the proxy server. If the file is found, it is downloaded from the cache. If it is not found it is downloaded from the central repository. The proxy server ensures that files are kept in a consistent

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