5. Extending C/AL with COM Components
by Alexander Drogin
Extending Microsoft Dynamics NAV 2016 Cookbook
- Extending Microsoft Dynamics NAV 2016 Cookbook
- Extending Microsoft Dynamics NAV 2016 Cookbook
- Credits
- About the Author
- About the Reviewer
- www.PacktPub.com
- Customer Feedback
- Preface
- 1. Writing Basic C/AL Code
- 2. Advanced C/AL Development
- Introduction
- Creating custom tables
- Understanding database triggers
- Implementing a user interface with pages
- Linking datasources in subpages
- Working with page triggers
- Presenting related data in FactBoxes
- Designing reusable code
- Accessing temporary tables
- Role-Tailored client and role centers
- Assigning role centers to user profiles
- Simplifying data access with queries
- Improving performance with indexes
- Linking datasources with advanced queries
- Exchanging data with XMLPort objects
- Designing the user menu
- Referencing records and fields via RecordRef and FieldRef
- Working with single instance codeunits
- Running tasks in background sessions
- 3. Reporting and Data Analysis
- Introduction
- Designing reports in Visual Studio
- Developing Word layout for RDLC reports
- Writing C/AL code in a report
- Designing the report request page
- Writing RDLC code in a report
- Using built-in expressions in the report layout designer
- Including user interaction in reports
- Updating NAV data with the Excel add-in
- Retrieving data from NAV with Power Query
- Creating pivot tables with Power Query
- Analyzing data with Power BI
- Data hierarchies in Power BI reports
- Statistical data analysis in Power BI with R
- Sales forecast in Power BI with R
- Designing server-side reports in SQL Server Reporting Studio
- 4. .NET Interoperability in C/AL
- Introduction
- Using .NET assemblies in C/AL
- Understanding static classes and methods
- Developing server-side extensions
- Developing client-side extensions
- Working with generics in C/AL
- Working with interfaces
- Accessing collections with the FOREACH statement
- Working with .NET strings and arrays in C/AL
- Invoking .NET methods via reflection
- Handling exceptions with try functions
- Handling .Net events in C/AL
- Developing your own .NET class
- Starting processes in separate threads
- 5. Extending C/AL with COM Components
- 6. SharePoint Integration
- 7. Control Add-ins
- Introduction
- Developing a control add-in
- Signing the control add-in assembly
- Registering and embedding a control add-in
- JavaScript in web, phone, and tablet clients
- Installing and using JavaScript control add-ins
- Sending events from add-ins to NAV server
- Linking add-ins with the database
- Exchanging data with add-ins
- 8. Web Services
- 9. Events and Extension Packages
- 10. PowerShell
In this chapter, we will cover the following recipes:
- Using COM type libraries in C/AL
- Mapping COM datatypes to C/AL
- Disposing of COM objects
- Working with the Variant datatype
- Sending data to the Excel automation server
- Creating a Word document using automation objects
- Creating and registering a COM component that can be used in NAV
The Component Object Model (COM) is a platform-independent interoperability model. Each COM library is a piece of software that can be bound to a client application at runtime. NAV application code can use classes and interfaces exported by COM type libraries, although this support has certain limitations:
- COM automation objects can run only on the NAV client. Server-side automation objects are not supported.
- Automation objects cannot run on the NAV Web client.
- Only non-visual components are supported.
- Exception handling is not supported.
- In NAV 2016, C/SIDE cannot receive events from automation servers.
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