Clarify that Clear respects color transparency

[JeremyKuhne]

It isn't obvious from the API name that Clear doesn't reset the color, it applies it. Adding an additional remark to help clarify.

dotnet/winforms#9301

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Issue Details

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It isn't obvious from the API name that Clear doesn't reset the color, it applies it. Adding an additional remark to help clarify.

dotnet/winforms#9301

Author:	JeremyKuhne
Assignees:	JeremyKuhne
Labels:	area-System.Drawing
Milestone:	-

[learn-build-service-prod]

Learn Build status updates of commit b0bab8f:

✅ Validation status: passed

File	Status	Preview URL	Details
xml/System.Drawing/Graphics.xml	✅Succeeded	View

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[gewarren]

@JeremyKuhne I couldn't leave a suggestion, so I committed directly. Hope you don't mind. I thought that the text you added should come first in the remarks section.

[learn-build-service-prod]

Learn Build status updates of commit 727a50e:

✅ Validation status: passed

File	Status	Preview URL	Details
xml/System.Drawing/Graphics.xml	✅Succeeded	View

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit 495e037:

✅ Validation status: passed

File	Status	Preview URL	Details
xml/System.Drawing/Graphics.xml	✅Succeeded	View

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel