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of the extended help topics in the file. In the previous example there are two

different extended help topics, and they are uniquely defined by the keys

MYEH_CMD_0001 and MYEH_CMD_0002.

NOTEExtended tooltips defined to work with AutoCAD LT 2009 need to be

updated to work with AutoCAD LT 2011. For information on converting an

extended tooltip created for AutoCAD LT 2009 to work with AutoCAD LT 2011,

see To convert an AutoCAD LT 2009 extended tooltip to work with AutoCAD LT

2011 on page 127.

The Stack Panel element groups the TextBlock and Image elements together.

You can have as many TextBlock and Image elements under a StackPanel

element that you need. The TextBlock element holds the text; the Image

element holds an illustration that is part of the extended help. To learn more

about XAML, visit Microsoft's web site at http://www.microsoft.com and perform

a search for XAML.

To add a tooltip to a command

1 Click Manage tab ➤ Customization panel ➤ User Interface.

2 In the Customize User Interface Editor, Customize tab, Command List

pane, click the command to which you want to add a tooltip.

3 In the Properties pane, Description field, enter the tooltip text for the

selected command.

124 | Chapter 4 User Interface Customization