[Windows] - Fix InputTransparent layouts losing background color visibility - #30311

❌10.0.100-ci+pr.30311.azdo.1513382 / Run Helix Unit Tests / Windows Helix Unit Tests (Debug) / Run Helix Tests - Sometimes the helix SDK uses GetWorkItemsAsync when workitems aren't done processing.

❌10.0.100-ci+pr.30311.azdo.1511865 / macOS UITests / Controls / Controls Layout and 1 more hits - slow macOS - "##[error]The job running on agent Azure Pipelines 9 ran longer than the maximum time of 60 minutes."

❌10.0.100-ci+pr.30311.azdo.1511865 / macOS UITests / Controls / Controls Layout / Controls Layout and 1 more hits - The Operation will be canceled. The next steps may not contain expected logs.

maui-pr-uitests / Android UITests / Controls (API 30) / Controls (API 30) Layout / Controls (API 30) Layout

❌PowerShell exited with code '1'.

maui-pr-uitests / Android UITests / Controls (API 30) / Controls (API 30) Layout / Publish the android_ui_tests_controls_30 test results

❌There are one or more test failures detected in result files. Detailed summary of published test results can be viewed in the Tests tab.

maui-pr-uitests / Android UITests CoreClr / Controls (API 30) / Controls (API 30) Layout / Controls (API 30) Layout

❌PowerShell exited with code '1'.

10 other jobs are failing and were not displayed due to space limitations.
Builds with failures: [maui-pr] [maui-pr-uitests]

🔹 [All failing tests from maui-pr]

❌ Microsoft.Maui.IntegrationTests.SimpleTemplateTest.BuildsWithSpecialCharacters(id: "maui-blazor", projectName: "Project@Symbol", expectedId: "projectsymbol") [Details] [0.57% failure rate]

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Failing Configuration

• Integration Tests - mac_buildtemplate_tests_1

Exception Message

System.IO.EndOfStreamException : Unable to read beyond the end of the stream.

CallStack

   at System.IO.BinaryReader.ReadByte()
   at Microsoft.Build.Logging.StructuredLogger.BuildEventArgsReader.ReadInt32() in C:\MSBuildStructuredLog\src\StructuredLogger\BinaryLogger\BuildEventArgsReader.cs:line 1789
   at Microsoft.Build.Logging.StructuredLogger.BuildEventArgsReader.ReadStringDictionary() in C:\MSBuildStructuredLog\src\StructuredLogger\BinaryLogger\BuildEventArgsReader.cs:line 1577
   at Microsoft.Build.Logging.StructuredLogger.BuildEventArgsReader.ReadTaskItem() in C:\MSBuildStructuredLog\src\StructuredLogger\BinaryLogger\BuildEventArgsReader.cs:line 1609
   at Microsoft.Build.Logging.StructuredLogger.BuildEventArgsReader.ReadTaskItemList() in C:\MSBuildStructuredLog\src\StructuredLogger\BinaryLogger\BuildEventArgsReader.cs:line 1710
   at Microsoft.Build.Logging.StructuredLogger.BuildEventArgsReader.ReadTaskParameterEventArgs() in C:\MSBuildStructuredLog\src\StructuredLogger\BinaryLogger\BuildEventArgsReader.cs:line 1139
   at Microsoft.Build.Logging.StructuredLogger.BuildEventArgsReader.ReadBuildEventArgs(BinaryLogRecordKind recordKind) in C:\MSBuildStructuredLog\src\StructuredLogger\BinaryLogger\BuildEventArgsReader.cs:line 312
   at Microsoft.Build.Logging.StructuredLogger.BuildEventArgsReader.Read() in C:\MSBuildStructuredLog\src\StructuredLogger\BinaryLogger\BuildEventArgsReader.cs:line 236
   at Microsoft.Build.Logging.StructuredLogger.BinLogReader.ReadRecordsFromDecompressedStream(Stream decompressedStream)+MoveNext() in C:\MSBuildStructuredLog\src\StructuredLogger\BinaryLogger\BinLogReader.cs:line 350
   at Microsoft.Maui.IntegrationTests.BuildWarningsUtilities.OutputBuildErrorsFromBinLog(String binLogFilePath, Int32 maxErrors, ITestOutputHelper output) in /_/src/TestUtils/src/Microsoft.Maui.IntegrationTests/Utilities/BuildWarningsUtilities.cs:line 46
   at Microsoft.Maui.IntegrationTests.DotnetInternal.Build(String projectFile, String config, String target, String framework, IEnumerable`1 properties, String binlogPath, Boolean msbuildWarningsAsErrors, String runtimeIdentifier, String[] warningsToIgnore, ITestOutputHelper output) in /_/src/TestUtils/src/Microsoft.Maui.IntegrationTests/Utilities/DotnetInternal.cs:line 87
   at Microsoft.Maui.IntegrationTests.SimpleTemplateTest.BuildsWithSpecialCharacters(String id, String projectName, String expectedId) in /_/src/TestUtils/src/Microsoft.Maui.IntegrationTests/SimpleTemplateTest.cs:line 129
   at InvokeStub_SimpleTemplateTest.BuildsWithSpecialCharacters(Object, Span`1)
   at System.Reflection.MethodBaseInvoker.InvokeWithFewArgs(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)

🔹 [All failing tests from maui-pr-uitests]

⚠️ 4 failing tests not displayed for this pipeline due to space limitations

❌ Microsoft.Maui.TestCases.Tests.DragAndDropUITests(iOS).DragEventCoordinates [Details] [0.97% failure rate]

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Failing Configuration

• Editor,Effects,Essentials,FlyoutPage,Focus,Fonts,Frame,Gestures,GraphicsView_ios_ui_tests_mono_controls_latest

Exception Message

The app was expected to be running still, investigate as possible crash
TearDown : The app was expected to be running still, investigate as possible crash

CallStack

   at UITest.Appium.NUnit.UITestBase.UITestBaseTearDown() in /_/src/TestUtils/src/UITest.NUnit/UITestBase.cs:line 159
   at UITest.Appium.NUnit.UITestBase.TestTearDown() in /_/src/TestUtils/src/UITest.NUnit/UITestBase.cs:line 45
   at InvokeStub_UITestBase.TestTearDown(Object, Object, IntPtr*)
--TearDown

at UITest.Appium.NUnit.UITestBase.UITestBaseTearDown() in /_/src/TestUtils/src/UITest.NUnit/UITestBase.cs:line 159

at UITest.Appium.NUnit.UITestBase.TestTearDown() in /_/src/TestUtils/src/UITest.NUnit/UITestBase.cs:line 45

at InvokeStub_UITestBase.TestTearDown(Object, Object, IntPtr*)
1)    at UITest.Appium.NUnit.UITestBase.UITestBaseTearDown() in /_/src/TestUtils/src/UITest.NUnit/UITestBase.cs:line 159

at UITest.Appium.NUnit.UITestBase.TestTearDown() in /_/src/TestUtils/src/UITest.NUnit/UITestBase.cs:line 45

at InvokeStub_UITestBase.TestTearDown(Object, Object, IntPtr*)

❌ Microsoft.Maui.TestCases.Tests.DragAndDropUITests(iOS).DropEventCoordinates [Details] [0.97% failure rate]

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Failing Configuration

• Editor,Effects,Essentials,FlyoutPage,Focus,Fonts,Frame,Gestures,GraphicsView_ios_ui_tests_mono_controls_latest

Exception Message

  Assert.That(dropRelativeToLayout!.Value.X > 0 && dropRelativeToLayout!.Value.Y > 0, Is.True)
  Expected: True
  But was:  False

CallStack

   at Microsoft.Maui.TestCases.Tests.DragAndDropUITests.DropEventCoordinates() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/DragAndDropUITests.cs:line 398
1)    at Microsoft.Maui.TestCases.Tests.DragAndDropUITests.DropEventCoordinates() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/DragAndDropUITests.cs:line 398

❌ Microsoft.Maui.TestCases.Tests.Issues.Issue17389(Android).ValidateInputTransparentBackgroundColorToggle [Details] [35.71% failure rate]

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Failing Configurations (2)

• Layout_android_ui_tests_controls_30
• Layout_android_ui_tests_controls_30

Exception Message

VisualTestUtils.VisualTestFailedException : 
Snapshot different than baseline: BeforeToggleBackgroundColors.png (1.55% difference)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow

CallStack

   at Microsoft.Maui.TestCases.Tests.Issues.Issue17389.ValidateInputTransparentBackgroundColorToggle() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue17389.cs:line 59
   at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
   at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
   at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)

❌ Microsoft.Maui.TestCases.Tests.Issues.Issue17389(iOS).ValidateInputTransparentBackgroundColorToggle [Details] [39.29% failure rate]

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Failing Configuration

• Layout_ios_ui_tests_mono_controls_latest

Exception Message

VisualTestUtils.VisualTestFailedException : 
Baseline snapshot not yet created: /Users/cloudtest/vss/_work/1/s/artifacts/bin/Controls.TestCases.iOS.Tests/Release/net10.0/snapshots/ios-26/BeforeToggleBackgroundColors.png
Ensure new snapshot is correct:    /Users/cloudtest/vss/_work/1/a/Controls.TestCases.Shared.Tests/snapshots-diff/ios-26/BeforeToggleBackgroundColors.png
  and if it is, push a change to add it to the 'snapshots' directory.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow

CallStack

   at Microsoft.Maui.TestCases.Tests.Issues.Issue17389.ValidateInputTransparentBackgroundColorToggle() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue17389.cs:line 59
   at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
   at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
   at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)