Menus or Menu Bars

You can modify existing menus or menu bars by using the Customize command in the Tools menu. Each version of Excel has used a different method to customize menus Excel 5/95 used the Menu Editor to modify menus. Excel 97 displayed a customizable copy of the menu bar in which to make changes, but in Excel 2000 menus are customized in exactly the same way as toolbars — by dragging the menu command to the desired place on the menu bar. 

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You can also modify existing menus or menu bars by using Visual Basic. 

Across the top there is a menu bar with the usual Windows-type pull-down menus arranged from left to right in the order Files, Data Selection, Data Manipulation, Extras/Options, Output, or similar. Those options that are allowed or make sense in a given context are activated. Requests for numerical input make use of the standard Windows-type gray box with the question that is to be answered, the white area into which the data is written, and the appropriate confirmatory Yes/No/Cancel buttons. 

Start the 1D WIN-NMR program and set-up the four MDI/application windows display as shown in Fig. 4.3 by clicking the MDI system menu button. Activate the four windows one after the other and inspect the corresponding button panels and menu bars. Iconize two of the windows and rearrange the other two so that each fills half of the display. To do this use the title bar and/or the window frames or use the Tile option in the Window pull-down menu. Check the functionality of the minimize/maximize button and of the options offered in one of the system menus. Iconize the 1D WIN-NMR program by clicking the corresponding button in the 1D WIN-NMR title bar. 

The opening window of Chem3D consists of the workspace (display window where 3D structures are displayed with rotation bar, slider knob, and action buttons), the menu bar (File, Edit, View, Tools, Object, Analyze, MM2, Gaussian, MOPAC, and Window menus), tool pallette (action icons for the cursor), and replacement text box (element, label, or structure name typed in this box is converted to chemical structure). Structure hie in. mol,. pdb, or. sml can be opened and saved from the File menu. Note PDB hies saved from Chem3D do not contain residue IDs.) The accompanying program, ChemDraw, draws 2D structures (.cdx) that are converted into 3D models (.c3d) by Chem3D. The molecular sketches from ISIS Draw (. skc) have to be converted to. cdx with ChemDraw for the 3D conversion. 

In this chapter you ll learn how to add a new command to a menu, how to add a new menu to a menu bar and how to create a whole new menu bar with separate menus and commands. In this way you can add new capabilities to Excel or even create a complete custom application. 

In earlier versions of Microsoft Excel, menu bars contained only menus, and toolbars only toolbuttons. Beginning with Excel 97, toolbuttons and menu items are both members of the class of CommandBarButton objects. Command bars can contain buttons or menus or both. In general, however, mixing buttons and menu commands on the same toolbar doesn t seem to be a good idea, so this chapter deals exclusively with menus and Chapter 19 with toolbars. 

You can install either custom menus or any of Excel s built-in menus on your custom menu bar. To install custom menus, follow the procedure in the following box to install any of Excel s built-in menus, follow the same procedure but choose "Built-in Menus" from the Categories box. You can apply the same methods used for custom menus to add commands to, remove commands from, or rename the built-in menus. Menus installed on a custom menu bar are displayed with a drop-down arrow next to the menu name. Figure 18-1 shows such a custom menu bar. 

These elements are not all found on every window, as programmers can choose to eliminate or modify them. Still, in most cases these will be constant, with the rest of the window filled in with menus, toolbars, a workspace or other application-specific elements. For instance, Microsoft Word, the program with which this book was written, adds an additional control box and minimize and maximize buttons for each document. It also has a menu bar, a number of optional toolbars, scroll bars at the right and bottom of the window, and a status bar at the very bottom. Application windows can become very cluttered. 

The main window of NMR-SIM is subdivided in the title bar with the program name, the menu bar with the pull-down menu commands File, NMR-Wizard, Edit etc., the rf channel option bar with two accessible rf channel combo boxes and the main status window, see Fig. 1.3. Each command in the menu bar opens a pull-down menu that may contain sub-menus or commands that can be selected and opened/executed. The rf channel option bar uses isotope identifier to assign a specific nucleus and hence NMR frequency to the FI or F2 channel. The main status window is built up in line order and shows the pulse program name, spin system name and other optional files associated with the current simulation. 

In ID WIN-NMR the processing and analysis tools are available from the Process or Analysis pull-down menus in the menu bar. The Process pull-down menu is context sensitive such that before the Fourier transformation only time domain processing functions are available whilst after Fourier transformation the Process pull-down menu is updated to include frequency domain related processing functions. The ID WIN-NMR Process and Analysis pull-down menus are shown in Fig. 3.5. 

Figures 1 and 2 show screenshots of OpenMADS GUI. The graphical user interface for OpenMADS has been completely written in Java, and therefore, can run in both Unix- and Windows-based environments. It is composed of three main parts a menu bar (top), drawing area (bottom), and a SysML and MARTE annotation bar or a stochastic Petri Net bar (middle). The upper row of the window contains some menus with commands for file handling, editing, and other model specific commands. A toolbar at the middle contains model...

Whenever ID WIN-NMR or 2D WIN-NMR start, the appropriate application window appears on screen (see Figs. 2.5 and 2.6). This window may be minimized, maximized and resized using the standard MS-WINDOWS techniques. Access to the MS-WINDOWS system task menu is by clicking the button positioned to the left of the title bar. This menu may be used to switch to other running programs or to close one of the WIN-NMR sessions. Refer to the MS-WINDOWS manual for a detailed explanation of the individual window elements and for specific window manipulation techniques. As an example the ID WIN-NMR application window is shown. It consists of several menus, buttons and subwindows (Fig. 4.2). 

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