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Hiding Groups on the Office Fluent Ribbon Using a Toggle Button

Office 2007

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Summary:   Performing various actions on the 2007 Microsoft Office Fluent user interface (UI), such as hiding groups, requires only a few lines of XML and programming code.

Office Visual How To

Applies to:2007 Microsoft Office System, Microsoft Office Excel 2007, Microsoft Office PowerPoint 2007, Microsoft Office Word 2007

Frank Rice, Microsoft Corporation

May 2007

Overview

The 2007 Microsoft Office Fluent user interface (UI) replaces the current system of layered menus, toolbars, and task panes with a simpler system that is optimized for efficiency and discoverability. The Ribbon, context (right-click) menus, the Quick Access Toolbar, and the Microsoft Office Button are all parts of the Office Fluent interface. There are a number of custom and built-in controls, such as buttons, check boxes, and combo boxes, that you can add to the Office Fluent Ribbon. You add components to the Office Fluent Ribbon with XML markup elements, and set properties on those components by using attributes. You assign functionality to the components by using any programming language supported by Microsoft Visual Studio 2005, such as Microsoft Visual Basic .NET and Microsoft Visual C#, as well as Microsoft Visual Basic for Applications (VBA), Microsoft Visual C++, and Microsoft Visual Basic 6.0.

Code It

You can use a combination of XML and programming code to add your own custom controls to the Office Fluent Ribbon or perform actions on the Office Fluent Ribbon.

Adding Controls with XML

XML provides a hierarchical, declarative model of the Office Fluent Ribbon. Add controls, such as toggle buttons and tabs, to the Office Fluent Ribbon by using XML elements to specify the type of component. For example, you can add a single toggle button by using the toggleButton element. You assign property values to the control by using attributes such as the label attribute. The following is an example of the XML markup.

<customUI xmlns="http://schemas.microsoft.com/office/2006/01/customui" 
  onLoad="OnLoad" >
  <ribbon startFromScratch="false">
    <tabs>
      <tab id="tab1" label="Hide Built-In Group Demo" >
        <group id="group1" label="Demo Group">
          <toggleButton id="togglebutton1" 
            imageMso="AcceptInvitation" 
            label="Hide Window Group" 
            onAction="flipGroupWindow" />
        </group>
      </tab>
      <tab idMso="TabView">
        <group idMso="GroupWindow" 
          getVisible="groupWindowVisible" />
        </tab>
      </tabs>
   </ribbon>
</customUI>

This sample adds a custom tab named Hide Built-In Group Demo to the Office Fluent Ribbon by assigning text to the tab element's label attribute. This tab contains the Demo Group group, which contains a toggle button control named togglebutton1. The code includes another tab with the id of TabView. I'll discuss this tab in more detail shortly.

The togglebutton1 control has properties defined by using attributes such as imageMso, onAction, and label. You can assign these properties explicitly by setting the attribute equal to a String or indirectly by pointing to a programming code procedure. In addition to the label attribute, the toggle button also defines the imageMso attribute. This attribute points to an image built into Microsoft Office. You can determine this by the Mso suffix. Attributes with the Mso suffix always point to built-in functionality. To point to a custom image, you use the image attribute as in image="MyImage".

Next, is the onAction attribute. This attribute points to programming code called callback procedures. Callback procedures will be discussed in more detail in the Assigning Functionality to Office Fluent Ribbon Components section.

Finally, I already mentioned the TabView tab. In addition, I added a reference to the existing GroupWindow group. Because the tab and group use the idMso attribute, you know that these controls are pointing to a built-in tab and group, respectively; in this instance, the View tab and Window group that you see on the Office Fluent Ribbon in Office Excel 2007. However, by explicitly defining the controls this way, we now have access to all of the built-in functionality and can use them for our own purposes. So in this case, I override the visible property of the group by using the getVisible attribute to point to a callback procedure. You still have the functionality you normally see with the group, meaning all of the controls and commands that you would normally see, but you can take over the properties of the group. You will see how this works shortly.

Assigning Functionality to Office Fluent Ribbon Components

In the previous XML sample, the onAction and getVisible attributes point to callback procedures. When the toggle button is clicked, the onAction triggers the flipGroupWindow method, or callback procedure. The code in the flipGroupWindow method gives the toggle button its functionality. These procedures are called callbacks because when the button is clicked, the action alerts Microsoft Office that the control needs its attention. Microsoft Office then calls back to the method defined by the onAction attribute and performs whatever action is contained in the method. The following paragraphs describe these callback procedures in more detail.

The onAction attribute calls the flipGroupWindow callback procedure.

private IRibbonUI myRibbon;
private bool showViewTabBool = false;

public void OnLoad(IRibbonUI ribbon)
{
    myRibbon = ribbon;
}

public void flipGroupWindow(IRibbonControl control, bool flip)
{
    groupWindowHidden = flip;
    myRibbon.Invalidate();
}

When the Office Fluent Ribbon is loaded, the OnLoad method is triggered, and a reference to the Office Fluent Ribbon is created and assigned to the myRibbon variable. In addition, a variable, named groupWindowHidden, that is used to trigger the visible state of the built-in group, is created. When the flipGroupWindow procedure is called by Microsoft Office, an IRibbonControl object representing the toggle button is passed in. In addition, a Boolean value representing the pressed state of the button is passed to the procedure. The procedure assigns the pressed state of the toggle button to the showTabView variable, and then calls the Invalidate method of the Office Fluent Ribbon. You will see the significance of these actions shortly.

Finally, the groupWindowVisible callback procedure for the GroupWindow group is called. This method returns a Boolean value that determines the visible state of the tab. In this case, the procedure returns a value that is the opposite of the pressed state of the toggle button.

public bool groupWindowVisible(IRibbonControl control)
{
    return !groupWindowHidden;
}

To summarize, when the pressed state of the toggle button is True, meaning the button is displayed as depressed, the visible state of the group is False and the group is hidden. When the toggle button is displayed as not depressed, the group is visible.

Read It

There are two ways to deploy a custom Office Fluent Ribbon:

  • Modify an Open XML Format file created by one of the Microsoft Office applications that support the Office Fluent UI.

  • Use an add-in.

You can select the technique depending on the scope you need for the customized Office Fluent Ribbon. For example, modifying an Open XML file results in document-level customization where the customized Office Fluent Ribbon is associated with a particular document rather than the entire application. On the other hand, by using an add-in, you get application-level customization which means that the customized Office Fluent Ribbon applies to the entire application regardless of which document is open.

Creating a customized Office Fluent Ribbon using an Open XML file is not complicated.

To create a customized Office Fluent Ribbon using an Open XML file

  1. Open the document as a ZIP file by changing the file name extension.

  2. Add a folder containing the XML Ribbon customization code.

  3. Modify the document's relationship file to point to the custom folder.

  4. Rename the document's file extension.

  5. Open the document in the Microsoft Office application.

  6. Add code to the document to give the custom Office Fluent Ribbon its functionality.

Using an add-in to customize the Office Fluent Ribbon is equally simple. After creating the add-in project, you implement the IRibbonExtensibility interface, which is included in the Microsoft.Office.Core namespace. This interface contains a method called GetCustomUI. Use this method to return the XML Ribbon customization code to Microsoft Office. Then add programming procedures that give the custom Office Fluent Ribbon its functionality.

Hiding Tabs on the Office Fluent Ribbon

In the following procedure, you create a custom tab containing a custom group and toggle button that will hide or display the built-in Window group on the View tab on the Office Fluent Ribbon in Office Excel 2007.

Creating the Add-In Solution

There are nine steps to create the project.

To create the add-in solution adding custom buttons to the Office Fluent Ribbon

  1. Start Visual Studio 2005.

  2. On the File menu, point to New, and then click Project.

  3. In the New Project dialog box, in the Project Types pane, expand Other Project Types, click Extensibility, and then select Shared Add-in.

  4. In the Name box, type RibbonDemo and then click OK to create the project.

  5. On the first page of the Shared Add-in Wizard, click Next.

  6. On the Select a Programming Language page, select either Visual C# or Visual Basic, and then click Next.

  7. On the Select an Application Host page, clear all of the selections except Microsoft Excel, and then click Next.

  8. On the Enter a Name and Description page, optionally, type a name for the project and a description, and then click Next.

  9. On the Choose Add-in Options page, select I would like my Add-in to load when the host application loads, click Next, and then click Finish.

Visual Studio creates a solution that contains two projects: the add-in itself and a Setup project. The Setup project enables you to install the add-in on other users' computers, and it makes it easier for you, at design time, to install and uninstall the add-in.

Adding References to the Project

To interact with Office Excel 2007 and the Office Fluent Ribbon object model, add a reference to the Microsoft Office Core type library.

To add a reference to the project

  1. In Solution Explorer, expand the References folder.

    If you do not see the References folder, on the Project menu, click Show All Files.

  2. Delete the Microsoft.Office.Core reference.

  3. Right-click the References folder and then click Add Reference.

  4. Click the COM tab, select Microsoft Office 12.0 Object Library, and then click OK.

  5. At the top of the open code file, add the following statements to the project.

using Microsoft.Office.Core
using Excel = Microsoft.Office.Interop.Excel;

Creating the Office Fluent Ribbon Customization XML File

Create the file that adds the components and sets the property for those components.

To create the Ribbon customization XML file

  1. On the Project menu, click Add New Item.

  2. In the Add New Item dialog box, select XML File. Name the new file Ribbon.xml, and then click Add.

  3. In the new XML file, add the XML markup in the section titled Adding Controls with XML.

Adding the XML File as an Embedded Resource

For best results, use the XML file as a resource within the project's resource file.

To add the XML file as an embedded resource

  1. In Solution Explorer, select Ribbon.xml.

  2. In the Properties window, select the Build Action property, and then select Embedded Resource in the list of options.

  3. On the Project menu, click RibbonDemo Properties.

  4. Click the Resources tab.

  5. From Solution Explorer, drag Ribbon.xml onto the Resources design surface.

    This action creates a file-based resource. From now on, the Ribbon.xml file is automatically stored as an application resource, and you can retrieve this content by using Visual Basic or Visual C# language features.

  6. Close the Resources window. When prompted, click Yes to save the resources.

Accessing the Host Application and Working with the Ribbon

You need to create an instance of Excel and add the Ribbon interface.

To access the host applications and work with the Office Fluent Ribbon

  1. In Solution Explorer, right-click Connect.cs or Connect.vb, and then click View Code.

  2. Find the existing declaration for the applicationObject variable, and modify it so that it refers to an Excel.Application object. That is, modify the declaration so that it looks like the following code.

    private Excel.Application applicationObject;
    
  3. Modify the existing first line of the OnConnection method, which creates an instance of the Excel.Application object.

    applicationObject =(Excel.Application)application;
    
  4. In Visual Basic, modify the line of code near the top of the class that starts with Implements, adding support for implementing the IRibbonExtensibility namespace. Visual Basic inserts the GetCustomUI procedure automatically.

    Implements Extensibility.IDTExtensibility2, IRibbonExtensibility
    

    If coding in C#, at the end of the public class Connect : statement, add a comma and then type the following interface name.

    IRibbonExtensibility
    
  5. Continuing in C#, right-click the interface you just added, click Implement Interface, and then click Implement Interface Explicitly. This adds a stub for the only IRibbonExtensibility interface member: GetCustomUI.

  6. Modify the GetCustomUI method so that it looks like the following code.

    string IRibbonExtensibility.GetCustomUI(string RibbonID)
    {
      Return Properties.Resources.Ribbon;
    }
    
  7. Add the variable declarations and procedures in the section Assigning Functionality to the Office Fluent Ribbon Components according to the programming language.

Testing the Project

Now you are ready to run the project.

To test the project

  1. On the File menu, click Save All.

  2. Exit Excel 2007 if it is running.

  3. On the Build menu, click Build Solution.

  4. In Solution Explorer, right-click RibbonDemoSetup, and then click Build.

  5. Right-click RibbonDemoInSetup, and then click Install.

    The RibbonDemo Setup Wizard appears.

  6. Click Next on each of the pages, and then click Close on the last screen.

  7. Start Excel.

    The Hide Built-In Group Demo tab appears. You see the Group Demo group containing the toggle button. You also see that the toggle button is not depressed as shown in Figure 1 meaning that its pressed state is False.

    Figure 1. The initial state of the toggle button

    The initial state of the toggle button
  8. Next, click the View tab. Notice that the Window group is visible as seen in Figure 2.

    Figure 2. The initial state of the Window group

    The initial state of the Window group
  9. Once again, click the Hide Built-In Group Demo tab and then click the toggle button. The pressed state of the button is now equal to True.

  10. Click the View tab and notice that the Window group is now hidden as shown in Figure 3.

    Figure 3. Clicking the toggle button hides the group

    Clicking the toggle button hides the group
  11. Exit Excel.

  12. In Visual Studio, in Solution Explorer, right-click RibbonDemoSetup, and then click Uninstall.

See It

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