Convert ADF from VB.NET (.NET Framework 2.0) to C# .NET 8

[Copilot]

Migrates the Windows Forms application from VB.NET targeting .NET Framework 2.0 to C# targeting .NET 8, replacing the legacy SDK-style project with a modern SDK project format.

Project structure changes

• ADF.vbproj → ADF.csproj (SDK-style, net8.0-windows, UseWindowsForms=true, PlatformTarget=x86)
• ADF.sln project type GUID updated: F184B08F-... (VB) → FAE04EC0-... (C#)
• My Project/ folder removed — SDK-style project handles assembly metadata automatically
• app.config removed — not applicable in .NET 8

Source file conversions

VB.NET	C#
adf.vb	AdfForm.cs
adf.Designer.vb	AdfForm.Designer.cs
ClassADF.vb	ClassADF.cs
(none)	Program.cs (explicit entry point)

Notable translation decisions

• ByRef scrPadre → ref ScriptControlClass scrPadre: the original VB.NET used pass-by-reference so the caller's scrMain is updated when a FORM control creates a new ScriptControlClass; omitting ref would cause scrMain.AddCode(xmlFL.MODULO) to target the wrong script engine instance
• EmbedInteropTypes set to False: C# embedded interop prohibits using concrete COM classes (ScriptControlClass); the DLL is already distributed with the project
• Command() → string.Join(" ", Environment.GetCommandLineArgs().Skip(1))
• MsgBox() → MessageBox.Show()
• My.Application.OpenForms.Item(name) → Application.OpenForms.Cast<Form>().FirstOrDefault(f => f.Name == name)
• EnableWindowsTargeting=true added to allow building on non-Windows CI hosts

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