Ivor Horton's Beginning Visual C++ 2012

ADDING TOOLBAR BUTTONS

Select the Resource View and extend the toolbar resource. You’ll see that the toolbar resource has the same ID as the main menu, IDR_MAINFRAME. This provides you with toolbar icons that have four-bit color pixels (16 colors).

If you double-click IDR_MAINFRAME, the editor window shown in Figure 13-11 appears.

FIGURE 13-11

A toolbar button is a 16 × 15(width × height) array of pixels that contains a pictorial representation of the function it initiates. Each pixel in this toolbar is a 4-bit color, so a button is a 16-color bitmap. You can see in Figure 13-11 that the resource editor provides an enlarged view of a toolbar button so that you can see and manipulate individual pixels. It also provides you with a color palette to the right (not shown in Figure 13-11), from which you can choose the current working color. If it is not already visible, you can display the palette from which you can choose a color by right-clicking a toolbar button icon and selecting Show Colors Window from the menu.

If you click the new button icon at the right end of the row, you’ll be able to draw this icon. Before starting editing, drag the new icon about half a button-width to the right on the toolbar. This separates the button from its neighbor on the left to start a new block. You should keep toolbar buttons in the same sequence as the items on the menu bar, so you’ll create ...