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ComponentOne Studio WinForms by MESCIUS is a comprehensive toolkit offering over 120 advanced UI components to improve Windows Forms application development. It helps you to build visually appealing and feature-rich applications with functionalities like data visualization through charts and reports, intuitive data editing with performant grids, and modern UI elements including ribbons and docking for a user-friendly experience.
The ComponentOne Studio WinForms 2025 v2 update introduces a new data label placement option for FlexPie that aligns labels along the left and right sides of the chart to improve readability and visual structure. By moving labels out of the pie area, this option reduces overlap and congestion when working with datasets that contain many slices or small values, which are common challenges in pie chart rendering. The result is a more consistent and predictable layout that helps developers present data more clearly while maintaining a clean, modern appearance across different screen sizes and data scenarios.
To see a full list of what's new in 2025 v2, see our release notes.
ComponentOne Studio WinForms is licensed per developer on a perpetual basis and includes a 12 month subscription. Priority Support is also available. See our ComponentOne Studio WinForms licensing page for full details.
Learn more on our ComponentOne Studio WinForms product page.

ComponentSource and combit have partnered for 15 years, providing developers worldwide with powerful reporting, reporting designers, and data visualization tools to build professional, data-driven applications.
combit is a leading provider of reporting components for software developers, best known for List & Label – a multiple award-winning reporting tool used by development teams around the globe. Their components make it easier to design and integrate customized reports, dashboards, lists, and labels into business applications. Through ComponentSource, customers can conveniently license, and maintain these combit products, confident they’re choosing proven technology backed by professional support and ongoing innovation.
Together, ComponentSource and combit help development teams deliver applications faster, with flexible licensing options, reliable updates, and expert assistance. As demand for advanced reporting and analytics continues to grow, this long-standing collaboration ensures customers can rely on a trusted combination of combit’s technology and ComponentSource’s global distribution and customer service for many years to come.
Learn more about combit.

ComponentOne Studio Enterprise is a comprehensive suite of .NET UI controls developed by MESCIUS (formerly GrapeCity) designed for building rich, interactive desktop, web, and mobile applications. It provides developers with a broad range of tools and components-including data grids, charts, reports, input controls, and advanced data visualization features-for platforms such as WinForms, WPF, ASP.NET Core, Blazor, WinUI, and .NET MAUI. The suite emphasizes performance, flexibility, and ease of integration, helping teams create consistent, feature-rich user experiences across multiple application types while maintaining a unified development approach.
The ComponentOne Studio Enterprise 2025 v2 update introduces 2D Contour Charts in FlexChart for WPF, allowing developers to represent three-dimensional data on a two-dimensional surface through contour lines or shaded bands that highlight areas of equal value. This capability delivers a clear visual understanding of gradients, surface characteristics, and other continuous data patterns. With support for multiple contour types, customizable contour levels, and flexible gradient color palettes, developers gain precise control over how value transitions are presented. These enhancements make the WPF contour chart well suited for scientific and engineering analysis, elevation and surface mapping, and any application that requires accurate comparison of value distribution across two variables.
To see a full list of what's new in 2025 v2, see our release notes.
ComponentOne Studio Enterprise is licensed per developer on a perpetual basis and includes a 12 month subscription. Priority Support is also available. See our ComponentOne Studio Enterprise licensing page for full details.
Learn more on our ComponentOne Studio Enterprise product page.

Dialog forms for parameters in reporting provide a structured and user friendly way to collect the inputs needed for accurate, relevant reports. Instead of relying on manual entry or remembered criteria, users are guided through fields that ensure consistent and valid information. This improves report quality and reduces errors in scenarios such as choosing date ranges, product categories, regions, or departments. By centralizing parameter entry in a clean interface, dialog forms let users focus on interpreting results rather than managing input details.
Several .NET WinForms reporting components allow you to create dialog forms for parameters, including:
For an in-depth analysis of features and price, visit our comparison of .NET WinForms reporting components.

PDF4DEV Solutions (previously O2 Solutions) offers .NET components for PDF manipulation and rendering, designed to integrate into .NET environments. Its flagship products, PDF4NET and PDFView4NET, make building robust PDF solutions simple. PDF4NET improves PDF creation and editing with an intuitive object model, eliminating the need for Adobe tools. PDFView4NET enables viewing, annotating, and printing PDFs, supporting Windows Forms and WPF with features like bookmark navigation and file attachments.
PDF4DEV Solutions adds full support for .NET 10, enabling software developers to leverage the latest performance, security, and tooling improvements within the modern .NET ecosystem. This update ensures reliable compatibility across platforms, improves integration with current development processes, and supports the use of new C# language features for more efficient and maintainable code. Developers benefit from smoother application upgrades, improved runtime stability, and a future-ready foundation that aligns with evolving industry standards for .NET-based PDF processing.
Support for .NET 10 is available across the PDF4DEV Solutions .NET product range:
PDF4DEV Solutions products are licensed per developer and include a 12 month subscription which provides all major and minor product updates and technical support. See our PDFBundle4NET licensing page for full details.