Open this book and you'll find step-by-step screen images that show more than 140 key Excel programming techniques, including: Assign digital signatures to macros Set the property for a project Assign values to variables Changing the properties of an object Formatting a numeric expression Processing a runtime error Saving worksheets to another file Featuring a built-in dialog box Creating custom Ribbon tabs Building and debugging the add-ins Extra Apply It "Apply It" and "Extra" sidebars highlight useful tips High resolution screen shots demonstrate each task succinct explanations walk you through step by step Two-page lessons break big topics into bite-sized modules