Create Custom ActiveX Controls for SAP B1 in C#

Create Custom ActiveX Controls for SAP B1 in C#

To create custom ActiveX controls for SAP B1 in C#, you can follow these steps:

  1. Open Visual Studio and create a new Windows Forms Control Library project.
  2. Add the necessary references to the SAP B1 SDK and any other required libraries.
  3. Create a new class that inherits from the AxHost class. This class will act as a wrapper for your ActiveX control.
  4. Add the necessary attributes to your class, including the ComVisible attribute and the Guid attribute.
  5. Define any necessary properties and methods for your ActiveX control, using the AxHost methods to interact with the ActiveX control.
  6. Build your project to generate the DLL file for your custom ActiveX control.
  7. Register your DLL file using the regasm.exe tool provided with the .NET Framework.
  8. In SAP B1, add a new ActiveX control to a form and set the ProgID property to the ProgID of your custom ActiveX control.

Here is an example code snippet for creating a custom ActiveX control:

[ComVisible(true)] [Guid("your-guid-here")] public class MyCustomActiveXControl : AxHost { public MyCustomActiveXControl() : base("your-progid-here") { } public void DoSomething() { this.InvokeMethod("DoSomething", null); } public string GetSomething() { return this.InvokeMethod("GetSomething", null) as string; } }

In this example, the MyCustomActiveXControl class inherits from AxHost and is decorated with the ComVisible and Guid attributes. The constructor of the class calls the base constructor with the ProgID of the ActiveX control. The DoSomething and GetSomething methods are defined to interact with the ActiveX control using the InvokeMethod method provided by AxHost.

Examples

  1. How to create custom ActiveX controls for SAP B1 in C#?

    • Description: This query seeks a general overview of creating custom ActiveX controls specifically tailored for SAP Business One using C#.
    • Implementation: Below is a basic example of creating a custom ActiveX control in C#.
    using System; using System.Runtime.InteropServices; [ComVisible(true)] [Guid("YourGUIDHere")] public interface IMyCustomControl { // Define your control's properties and methods here } [ComVisible(true)] [Guid("YourGUIDHere")] [ClassInterface(ClassInterfaceType.None)] public class MyCustomControl : UserControl, IMyCustomControl { // Implement your control's functionality here }

  2. How to register custom ActiveX controls for SAP B1 in C#?

    • Description: This query focuses on the registration process of custom ActiveX controls specifically for integration with SAP Business One using C#.
    • Implementation: Below is an example of registering an ActiveX control in C# using regasm utility.
    regasm /codebase YourCustomControl.dll

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