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Anyone who has had a rollout blow up on them will tell you that few things are worse It s not even fun to imagine what it would be like to be in the limelight while deploying your new, untested OS organization-wide, only to find out that systems aren t compatible, you ve misconfigured the image, your application doesn t work, drivers don t work, and a host of other gut-wrenching problems crop up After all, if something goes wrong and user computers are down, business probably won t be getting done and fingers are going to point at you Some would even call it an automatic resume-generating event

While there isn t a snippet, per se, to create an event or delegate, in C# there is Intellisense Code Completion support for hooking a delegate up to an event, which also generates the handler method The process takes two steps: delegate and handler creation To get started, type the reference to the event s containing instance, the event name, and += As soon as you type the = sign, you ll see a tooltip like the one in Figure 4-1

Depot Technician (Exam 220-604)

As such, we recommend rolling out your Vista deployment in phases Consider the organization shown in Figure 2-3 Here, once Windows Vista has been tested and prepped, it is rolled out only to a handful of clients clients that are as nonessential to the day-to-day running of the business as possible You are planning to learn something during this phase, so don t include your CEO or his/her administrative assistant as part of the first rollout Once the first computers have been upgraded, spend some time checking out the devices, and make sure they work properly Better yet, delegate some of the duty to the actual users, and get their real-life impressions on the usability of their new environment They should use their computers as they normally would, poke around their lesser-used applications, make sure that everything works, and then tell you what doesn t work If there are any problems during this phase, you can go back and double-check your work, and try again

The CompTIA A+ 220-604 exam is targeted at folks who work behind the scenes fixing computers These are the techs who don t interact with customers much, so the emphasis on this exam is hardware, hardware, and even more hardware If you can t build, maintain, troubleshoot, and repair any personal computer desktop and portable on the planet, this path is not for you! Table 13 lists the domains and percentages A quick glance at the domain percentages tells the tale Almost half of all questions are on installing, configuring, optimizing, and upgrading PCs Although operating systems as a domain has been removed, you definitely need to know a lot about them to install, configure, and troubleshoot devices Laptop and Portable Devices and Printers and Scanners domains leap up to 40% of the exam questions You ll be grilled on fixing portables and printers! Because the exam assumes you ll be in a lab environment rather than in an office space, security is de-emphasized The presumed lack of communication between tech and customer caused the Communication and Professionalism objective to go completely away

As you can see, the Editor pops up a tooltip instructing you to type TAB to create a new delegate instance Type TAB and Code Completion will pop up another tooltip for creating the handler method, as shown in Figure 4-2 In Figure 4-2, you can see that Code Completion is suggesting a method name for you You have a choice of pressing TAB or changing the method name and then pressing TAB Either way, you have a fast way to hook up a handler method to an event via the event s delegate type Just as a delegate provides an interface to a method that is a contract basically to describe how to communicate, you can also define interfaces to classes to communicate with them in a specified way, and these are intuitively named interfaces

It helps to visualize a directory tree as upside down, because in geek-speak, the trunk, or root directory, is spoken of as if it were above the folders that divide it, and those subfolders below root are spoken of as being above the other subfolders inside them For example, The file is in the Adobe folder under Program Files

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