Backport pr 12368 and 12448 #12478
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Backport pr 12368 and 12448 #12478
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…any pages" in printPreviewControl has low color contrast (dotnet#12368) * fix dotnet#12365 [Accessibility] The text "Document does not contain any pages" in printPreviewControl has low color contrast * use SystemColor instead of hardcode
…4.5:1 for the text "Document does not contain any pages" in printPreviewControl (dotnet#12448) * fix 12441 [Accessibility] HC themes: The color contrast is less than 4.5:1 for the text "Document does not contain any pages" in printPreviewControl * fix unit tests * fix comments
src/System.Windows.Forms/src/System/Windows/Forms/Printing/PrintPreviewControl.cs
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Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## release/9.0 #12478 +/- ##
=====================================================
+ Coverage 74.82815% 74.82903% +0.00088%
=====================================================
Files 3022 3022
Lines 630184 630210 +26
Branches 46788 46793 +5
=====================================================
+ Hits 471555 471580 +25
+ Misses 155247 155246 -1
- Partials 3382 3384 +2
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Backport of #12368 and #12448 to release/9.0
BUG: #12365, #12441
Bug Description
When
PrintPreviewControlhas no document to show, it shows a text message to that effect. This message has low color contrast ratio, making it hard to read. Text to background ratio is 2.3:1 instead of the required 4.5:1 (https://www.w3.org/WAI/WCAG21/Understanding/contrast-minimum.html)Customer Impact
Accessibility requirement violation.
Regression?
no
Testing done
Risk
low, these colors are not under user control.
Microsoft Reviewers: Open in CodeFlow