Tag: #performance
4 articles
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The World's First WinForms Spreadsheet That Draws on the GPU — ReoGrid One 5.2
ReoGrid One 5.2 gives its WinForms control a Direct2D renderer, making it the first WinForms spreadsheet component to draw with Direct2D on the GPU (our research, as of October 2026). One property turns it on, and a full repaint while scrolling drops from 3.6 ms with GDI+ to 1.0 ms. The same release makes each frame about 7× faster on WPF and up to 8× faster on Avalonia, and draws sheets with tens of thousands of merged cells about 16× faster. All of it measured.
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GrapeCity SPREAD vs ReoGrid — Choosing a .NET Spreadsheet for Light Weight, Speed, and Large Data
GrapeCity SPREAD (now MESCIUS / SPREAD.NET) is a proven, full-featured .NET spreadsheet suite. ReoGrid is a lightweight, fast alternative. This is an honest comparison — SPREAD wins on breadth of features and ecosystem maturity; ReoGrid wins on a single-DLL footprint, rendering speed, large-data handling, and a free-to-start path. Here's how to pick for a given project.
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Displaying Large Datasets Efficiently in WPF — When DataGrid Stops Scaling
WPF DataGrid is virtualized out of the box, but virtualization isn't the same as "fast." This article walks through where DataGrid stalls on 100k+ rows, how far tuning gets you, and the lazy-data-source pattern that handles a million rows without freezing the UI.
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Announcing ReoGrid 4.4 — Performance Improvements for Large-Scale Data
ReoGrid 4.4 maintains full API compatibility while delivering ~11,700× faster bulk data loading with conditional formatting, ~10× faster sorting of 10,000 rows, and ~3× faster bulk loading via SetRangeData.