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#518 File Scan UI and Processing Rules#519

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chlaplan wants to merge 7 commits into
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#518 File Scan UI and Processing Rules#519
chlaplan wants to merge 7 commits into
MicrosoftDocs:mainfrom
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@chlaplan chlaplan commented May 5, 2026

#518 Updates to File Scan UI and processing rules.

chlaplan and others added 5 commits May 4, 2026 17:44
• FolderHashScanForm.cs — New dialog for folder-based hash file scanning with browse, subfolder toggle, file checklist, and hash type selection
Modified Files
CustomRuleConditionsPanel.cs
• Added hash mode panel with Single File, Multiple Files radio buttons and Folder Scan... button
• "Folder Scan..." button directly opens FolderHashScanForm dialog
• Multi-file and folder scan modes batch files into a single FolderScan-type rule using New-CIPolicy -ScanPath (instead of one PowerShell call per file)
• Selected files are copied to a temp folder preserving subfolder structure from the source
• Stores SourceFolderPath and HashTypesToKeep on the rule for downstream processing
FolderHashScanForm.cs
• Browse folder with optional Include subfolders checkbox
• Scan Folder button enumerates files by common PE/script extensions
• Select All / Deselect All for the file checklist
• Hash type checkboxes: Hash SHA1, Hash SHA256, Hash Page SHA1, Hash Page SHA256, and All (toggle)
• Exposes SelectedFiles, SelectedHashTypes, SourceFolderPath, IncludeSubfolders, AllFilesSelected
• Dark mode support
SigningRules_Control.cs
• Added AddRuleToTableWithoutClosing() method to support batch rule insertion without closing the custom rules panel
Policy.cs (PolicyCustomRules class)
• Added HashTypesToKeep property (HashSet<string>) — hash types to retain when filtering generated policy XML
• Added SourceFolderPath property (string) — original folder path for FriendlyName correction
MainForm.cs
• Added using System.Linq
• FriendlyName fix: after scan, replaces temp folder path in each rule's FriendlyName with the original source folder path (preserving subfolders)
• Hash type filtering: removes unwanted hash types (Hash SHA1, Hash Page SHA256, etc.) from generated policy based on user's checkbox selections
• Progress bar improvements:
• ProcessCustomValueRules(BackgroundWorker, SiPolicy) now reports incremental progress 0–25% per rule
• ProcessSignerRules(BackgroundWorker, SiPolicy) shows "Processing rule X of Y ..." with accurate counts
• FolderScan shows phased status: "Scanning folder: ...", "Scan complete. Applying hash type filters ...", "Filtered: kept X of Y hash rules.", "Merging scanned policy rules ..."
• ProgressChanged handler respects custom UserState messages
This reverts commit 162dd88.
• Added -NoLogo -NonInteractive flags to PowerShell invocation to reduce startup overhead
• Fixed potential deadlock: moved StandardOutput.ReadToEnd() and StandardError.ReadToEnd() before WaitForExit() to prevent buffer-full hang

MainForm.cs
• Fixed progress bar stalling at 25% during Folder Scan by reporting progress after skipping non-applicable rules
• Added mid-scan progress report (~55%) before CreateScannedPolicyFromPS(PolicyCustomRules, string, string) so UI shows activity during long scans
• Updated progress status text: "Scanning and processing rules (this may take a few minutes) ..." for the 25-80% range
…UI-Process

518 update file scan UI process
@chlaplan chlaplan mentioned this pull request May 6, 2026
@chlaplan chlaplan closed this May 11, 2026
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chlaplan commented May 11, 2026

Closed PR, other PR has these changes and other fixes.

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