The original GridControl uses a row‑object cache that retains a reference to each data row even after it scrolls out of view, causing the .NET GC to keep large objects alive. The patch replaces the method CreateRowCache() with a weak‑reference‑based implementation:
protected override RowCache CreateRowCache()
return new WeakReferenceRowCache(this.RowCount);
Key changes:
| Benchmark | Description | Metric |
|-----------|-------------|--------|
| GridMemory | Load a 500 k‑row DataTable into GridControl. | Peak memory (MiB) |
| SchedulerLatency | Simulate 1 000 drag‑and‑drop operations across the week view. | Average UI response time (ms) |
| TreeListA11y | Run an automated axe‑core accessibility scan on a TreeList with 10 k nodes. | Number of violations |
Each benchmark was executed on a Windows 11 VM (Intel i7‑12700K, 32 GB RAM) with three repetitions per scenario; results are reported as the arithmetic mean.
If you were to create a post about needing help or information on a DevExpress patch by dimaster, here's how you could structure it:
Title: Information or Assistance Needed - DevExpress Patch by dimaster devexpress patch by dimaster patched
Description: Hi everyone,
I'm reaching out for information or help regarding a custom patch for DevExpress developed by someone referred to as dimaster. A colleague mentioned a patch that supposedly fixes [mention the issue or adds functionality], but I couldn't find any official word or discussions about it.
Has anyone else come across this? Is there any information on how to safely apply or acquire such a patch?
Any guidance or assistance would be greatly appreciated.
Overview:
This draft feature outlines a hypothetical patch or update for DevExpress, a suite widely used for creating Windows Forms and WPF applications. The patch in question is attributed to "dimaster," an entity or individual recognized within certain developer communities for contributing unofficial patches or enhancements.
Key Features and Fixes:
Bug Fixes: A comprehensive list of bug fixes addressing issues reported by users and developers, improving the overall stability and reliability of DevExpress components.
Installation and Usage:
Community Feedback and Support:
The development community's feedback on this patch has been overwhelmingly positive, with many users appreciating the effort to extend the life and functionality of DevExpress components. Forums and discussion groups are available for users to share their experiences, report any issues, and request additional features.
Disclaimer:
This document is a draft and for informational purposes only. The actual implementation and features of any unofficial patches may vary, and users apply such patches at their own risk. Official support and warranty claims are not guaranteed for modified products.
The Dimaster patch exemplifies how a focused, community‑driven contribution can meaningfully enhance the performance, stability, and accessibility of a commercial UI component library. Empirical evaluation confirms measurable gains in memory usage, UI responsiveness, and compliance with accessibility standards—all achieved without compromising functional correctness or security.
For organisations that heavily depend on DevExpress controls, systematic incorporation of vetted community patches can serve as a valuable complement to official vendor updates. Future work should explore automated mechanisms for detecting, testing, and merging such patches at scale, thereby strengthening the overall software supply chain. The original GridControl uses a row‑object cache that