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Data Matrix COM DLL Interop in .NET

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This post explains how to create a Data Matrix barcode using the IDAutomation COM DLL in a .NET Forms Application. However, it should be noted that the .NET Generator is usually the recommended implementation for .NET Apps.

Application: .NET

07-06-23 298 day(s) ago

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Ben	Best Answer In this project, I'll create a form that generates a barcode. It uses the COM DLL along with a Button and TextBox on a Form. 1. Purchase the GS1-Data Matrix Font & Encoder Package (Developer License or greater). 2. Install the GS1-DataMatrix: registers the IDAutomationDMATRIX.dll (COM DLL) and IDAutomation2D font. 3. Run Visual Studio and create a Windows Forms C# project. 4. Create a Windows Forms project and select Next. 5. Name the project and select Next. 6. Set the Framework and select Create. 7. Select Toolbox on the left panel. 8. Select All Windows Forms, add a Button and TextBox to the Form. 9. In the Solution Explorer, right-click Dependencies - Add Project Reference. 10. In the Reference Mananger, select the IDAutomation DataMatrix Barcode 1.803. 11. Choose OK. Imported DLL as Interop: 12. Double-click the button to access the code behind. 13. Create an instance of the DataMatrix object: 14. The method FontEncode takes five parameters including DataToEncode, inTilde, inEncoding, and inFormat. To learn more about these parameters, view the Encoder Specifications. 15. The fifth parameter is a ReturnVal for the encoded data. Create a string variable as: 16. Set the first parameter, DataToEncode to a string. The next three parameters are set to 0 (default for demonstration purposes). The final parameter takes the ReturnVal set in the line above. 17. Pass the encoded text to TextBox. 18. Set the font name and point size. 19. Run the application and select the button to generate the barcode image. Scan the barcode with the IDAutomation Data Decoder Verifier available for Android and iOS. Posted 298 day(s) ago (1) (0) Report Abuse

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