Now that you've set the initial properties of your form, it's time to create a user interface by adding objects to the form. Objects that can be placed on a form are called controls. Some controls have a visible interface with which a user can interact, whereas others are always invisible to the user. You'll use controls of both types in this example. On the left side of the screen is a vertical tab titled Toolbox. Click the Toolbox tab now to display the Toolbox window and click the plus sign next to Common Controls to see the most commonly used controls (see Figure 1.8). The tool-box contains all the controls available in the project, such as labels and text boxes. Figure 1.8. The toolbox is used to select controls to build a user interface.Did you Know? There are four ways to add a control to a form, and Hour 5 explains them in detail. In this hour, you will use the technique of double-clicking a tool in the tool-box and copying and pasting a control. The toolbox will close as soon as you've added a control to a form and when the pointer is no longer over the toolbox. To make the toolbox stay visible, you would click the little picture of a pushpin located in the toolbox's title bar. By the Way See Hour 2 for more information on customizing the design environment. I don't want you to add them yet, but your Picture Viewer interface will consist of the following controls:
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