Microsoft® Office Excel® 2007 ProgrammingWelcome to the only guidebook series that takes a visual approach to professional-level computer topics. Open the book and you'll discover step-by-step screen shots that demonstrate over 140 key Excel programming techniques, including:Assigning digital signatures to macrosSetting properties for a projectAssigning values to a variableChanging the properties of an objectFormatting a numeric expressionProcessing a runtime errorSaving worksheets to another fileDisplaying a built-in dialog boxCreating custom Ribbon tabsBuilding and debugging add-insExtra Apply It "Apply It" and "Extra" sidebars highlight useful tipsHigh-resolution screen shots demonstrate each taskSuccinct explanations walk you through step by stepTwo-page lessons break big topics into bite-sized modules