[CoreMidi] Implement some of the missing CoreMIDI APIs.

[rolfbjarne]

Partial fix for #12489.

[github-actions]

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[github-actions]

⚠️ Your code has been reformatted. ⚠️

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[vs-mobiletools-engineering-service2]

✅ [PR Build #b38aef8] Build passed (Detect API changes) ✅

Pipeline on Agent
Hash: b38aef8a57bd5e984d0afea19fb8c4025509564b [PR build]

[vs-mobiletools-engineering-service2]

✅ [CI Build #385ee30] Build passed (Build packages) ✅

Pipeline on Agent
Hash: 385ee3031560bf86fdd7c02f6f8c6633f17850ef [PR build]

[vs-mobiletools-engineering-service2]

✅ API diff for current PR / commit

.NET ( No breaking changes )

• iOS: vsdrops gist ( No breaking changes )
• tvOS: vsdrops gist ( No breaking changes )
• MacCatalyst: vsdrops gist ( No breaking changes )
• macOS: vsdrops gist ( No breaking changes )

✅ API diff vs stable

.NET ( No breaking changes )

• iOS: vsdrops gist ( No breaking changes )
• tvOS: vsdrops gist ( No breaking changes )
• MacCatalyst: vsdrops gist ( No breaking changes )
• macOS: vsdrops gist ( No breaking changes )

ℹ️ Generator diff

Generator Diff: vsdrops (html) vsdrops (raw diff) gist (raw diff) - Please review changes)

Pipeline on Agent
Hash: b38aef8a57bd5e984d0afea19fb8c4025509564b [PR build]

[vs-mobiletools-engineering-service2]

✅ [CI Build #385ee30] Build passed (Build macOS tests) ✅

Pipeline on Agent
Hash: 385ee3031560bf86fdd7c02f6f8c6633f17850ef [PR build]

[vs-mobiletools-engineering-service2]

💻 [CI Build #385ee30] Tests on macOS X64 - Mac Sonoma (14) passed 💻

✅ All tests on macOS X64 - Mac Sonoma (14) passed.

Pipeline on Agent
Hash: 385ee3031560bf86fdd7c02f6f8c6633f17850ef [PR build]

[vs-mobiletools-engineering-service2]

💻 [CI Build #385ee30] Tests on macOS M1 - Mac Ventura (13) passed 💻

✅ All tests on macOS M1 - Mac Ventura (13) passed.

Pipeline on Agent
Hash: 385ee3031560bf86fdd7c02f6f8c6633f17850ef [PR build]

[vs-mobiletools-engineering-service2]

💻 [CI Build #385ee30] Tests on macOS M1 - Mac Monterey (12) passed 💻

✅ All tests on macOS M1 - Mac Monterey (12) passed.

Pipeline on Agent
Hash: 385ee3031560bf86fdd7c02f6f8c6633f17850ef [PR build]

[vs-mobiletools-engineering-service2]

💻 [CI Build #385ee30] Tests on macOS arm64 - Mac Sequoia (15) passed 💻

✅ All tests on macOS arm64 - Mac Sequoia (15) passed.

Pipeline on Agent
Hash: 385ee3031560bf86fdd7c02f6f8c6633f17850ef [PR build]

[vs-mobiletools-engineering-service2]

🔥 [CI Build #b38aef8] Test results 🔥

Test results

❌ Tests failed on VSTS: test results

0 tests crashed, 1 tests failed, 123 tests passed.

Failures

❌ cecil tests

1 tests failed, 0 tests passed.

Details

• Cecil-based tests: Failed (Execution failed with exit code 1)

Html Report (VSDrops) Download

Successes

✅ dotnettests (iOS): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (MacCatalyst): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (macOS): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (Multiple platforms): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (tvOS): All 1 tests passed. Html Report (VSDrops) Download
✅ framework: All 2 tests passed. Html Report (VSDrops) Download
✅ fsharp: All 4 tests passed. Html Report (VSDrops) Download
✅ generator: All 5 tests passed. Html Report (VSDrops) Download
✅ interdependent-binding-projects: All 4 tests passed. Html Report (VSDrops) Download
✅ introspection: All 6 tests passed. Html Report (VSDrops) Download
✅ linker: All 44 tests passed. Html Report (VSDrops) Download
✅ monotouch (iOS): All 8 tests passed. Html Report (VSDrops) Download
✅ monotouch (MacCatalyst): All 15 tests passed. Html Report (VSDrops) Download
✅ monotouch (macOS): All 12 tests passed. Html Report (VSDrops) Download
✅ monotouch (tvOS): All 8 tests passed. Html Report (VSDrops) Download
✅ msbuild: All 2 tests passed. Html Report (VSDrops) Download
✅ windows: All 3 tests passed. Html Report (VSDrops) Download
✅ xcframework: All 4 tests passed. Html Report (VSDrops) Download
✅ xtro: All 1 tests passed. Html Report (VSDrops) Download

Pipeline on Agent
Hash: b38aef8a57bd5e984d0afea19fb8c4025509564b [PR build]

[rolfbjarne]

Continued in #24738.