| Abbreviated Declarations |
| Abort |
| AbortRequested - Threading |
| Abstract |
| Abstract Base Class |
| Abstract Classes |
| Abstract Classes or Interfaces |
| Abstract Data Types |
| Abstract Methods |
| Abstraction |
| Accept and Cancel Buttons |
| AcceptButton property |
| Access Control Lists (ACL) |
| Access Database |
| Access Keys |
| Access Modifiers |
| Access Modifiers - friend |
| Access Modifiers - internal |
| Access Modifiers - partial |
| Access Modifiers - private |
| Access Modifiers - protected |
| Access Modifiers - protected friend |
| Access Modifiers - protected internal |
| Access Modifiers - public |
| Access Modifiers - sealed |
| Accessibility Modifiers |
| Accessing Indexed Properties |
| Accessors |
| ACID (Atomic Consistent Isolated Durable) |
| ACL (Access Control Lists) |
| Action - Generic Delegate |
| Action - System. |
| Action Classes - Smart Tags |
| Action Delegate |
| Action Events |
| ActionEventArgs |
| ActionEventArgs - Smart Tags |
| Actions Pane |
| Actions Popup Menu |
| Actions Task Pane |
| ActionsPane - Attaching |
| ActionsPane - Detaching |
| Activate Event |
| Activator - System. |
| Activator.CreateInstance |
| Active Accessibility API |
| Active Config |
| Active Document Sync |
| Active Template Library (ATL) |
| ActiveDocument.GetVSTOObject |
| ActiveWorkbook.GetVSTOObject |
| ActiveX Controls |
| Adapters |
| Add Class |
| Add Connected Service |
| Add Existing Item |
| Add New Folder |
| Add New Item |
| Add Project Reference |
| Add Service Reference |
| Add Web Reference |
| AddHandler (VB.Net) |
| Add-in Deployment Cache File |
| Addin Interface |
| Add-in Manager |
| Add-in Registry Switches |
| Adding a Watch |
| Adding Class |
| Adding Component |
| Adding Existing Items |
| Adding Files - Linking |
| Adding New Items |
| Adding Projects to Solutions |
| Adding Tooltips to Controls |
| Adding Trusted Sites |
| Adding Windows Form |
| AddinLoader.dll |
| Add-ins |
| Add-ins - Application Level VSTO |
| Add-ins - Automation |
| Add-ins - C API |
| Add-ins - C++ CLI |
| Add-ins - COM |
| Add-ins - Creating |
| Add-ins - Custom Functions in Excel |
| Add-ins - Deployment Manifest |
| Add-ins - Disabled |
| Add-ins - Excel |
| Add-ins - Excel Custom Functions |
| Add-ins - Excel-DNA |
| Add-ins - Extract Changes in Word |
| Add-ins - Fast Path Loading |
| Add-ins - Hard Disabling |
| Add-ins - IDTExtensibility2 |
| Add-ins - IManagedAddin |
| Add-ins - JavaScript |
| Add-ins - Loading |
| Add-ins - Managed XLLs |
| Add-ins - NetOffice |
| Add-ins - Office API |
| Add-ins - Open XML Package Editor |
| Add-ins - Outlook |
| Add-ins - PowerPoint |
| Add-ins - Ribbon IDs Window |
| Add-ins - RTD Server |
| Add-ins - Shared |
| Add-ins - Soft Disabling |
| Add-ins - TypeScript |
| Add-ins - UnManaged C API |
| Add-ins - VSTO |
| Add-ins - VSTO 3.0 |
| Add-ins - VSTO 4.0 |
| Add-ins - VSTO Power Tools |
| Add-ins - VSTO Runtime 3.0 |
| Add-ins - VSTO Runtime 4.0 |
| Add-ins - VSTO_EVENTLOGDISABLED |
| Add-ins - VSTO_LOGALERTS |
| Add-ins - VSTO_SUPPRESSDISPLAYALERTS |
| Add-ins - Word |
| Add-ins - Word Extract Changes |
| Add-ins - XLLs |
| AddInSpy |
| AddinUtil |
| addinutil.exe |
| Addition-Assignment Operator |
| AddressOf (VB.Net) |
| ADO.NET |
| ADODB |
| Adorner - System.Windows.Documents. |
| AdornerLayer - Windows.Documents. |
| Advanced Compile Options (VB.Net) |
| AES (Advanced Encryption Algorithm) |
| Aggregation vs Composition |
| AJAX (Asynchronous JavaScript and XML) |
| AL (Assembly Linker) |
| Alias Namespaces |
| Alignment Tools - Windows Forms |
| Always Show Scrollbar - DataGridView |
| Ambiguous Interfaces - AppEvents_Event |
| Ambiguous Interfaces - ChartEvents_Event |
| Ambiguous Interfaces - DocEvents_Event |
| Ambiguous Interfaces - WorkbookEvents |
| AmbiguousMatchException |
| Ampersand (&) |
| Anchoring Controls |
| AnchorStyles - System.Windows.Forms. |
| And - & |
| And Operator |
| AndAlso - && |
| AndAlso (VB.Net) |
| AndAlso Short Circuiting |
| Animation |
| Anonymous Function |
| Anonymous Methods |
| Anonymous Types |
| ApartmentState - System.Threading |
| API - gdi32.dll |
| API - kernel32.dll |
| API - user32.dll |
| API References |
| App.config |
| AppDomain - System. |
| AppDomain Class |
| AppDomain Policy Level |
| AppDomain.CurrentDomain.BaseDirectory |
| AppEvents_Event - Ambiguous |
| AppEvents_Event - NewWorkbook |
| Application Cache - ClickOne |
| Application Configuration File |
| Application Domains |
| Application Event Log |
| Application Icon |
| Application Level - GetVstoObject |
| Application Level - Task Panes |
| Application Manifest |
| Application Settings |
| Application Wide Events |
| Application.Commandbars.ExecuteMso |
| Application.Commandbars.FindControl |
| Application.DoEvents - VBA |
| Application.DoEvents - Windows Forms |
| Application.EnableVisualStyles |
| Application.Info.Version |
| Application.OpenForms |
| Application.RegisterXLL (Excel) |
| Application.Run (Excel) |