Fixed operation and display issues related to ToolStrip and ToolStripItemEditorForm in demoConsole

[LeafShi1]

Fixes #12988, #12989, #13000

Proposed changes

• Use surface.CreateComponent<ToolStripButton> to initialize ToolStripItem and ToolStripMenuItem components in DemoConsole project
• In the method OnListBoxItems_SelectedIndexChanged , use new object[] to correctly initialize an array of type object

Customer Impact

• Operations in the Items Collection Editor can be successfully executed

Regression?

• No

Risk

• Minimal

Screenshots

Before

• The text is not correct in the default added Items Collection Editor dialog for MenuStrip control
• After adding two items to the MenuStrip/ToolStrip project and clicking cancel, all items will disappear
• Selecting two items at the same time in the MenuStrip/ToolStrip will result in an error

After

Test methodology

• Manually

Test environment(s)

• 10.0.0-preview.2.25119.7

Microsoft Reviewers: Open in CodeFlow

[Copilot]

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

[ricardobossan]

All LGTM!

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 76.04657%. Comparing base (f280449) to head (0a501c8).
Report is 30 commits behind head on main.

Additional details and impacted files

@@                 Coverage Diff                 @@
##                main      #13020         +/-   ##
===================================================
+ Coverage   76.01028%   76.04657%   +0.03629%     
===================================================
  Files           3267        3270          +3     
  Lines         643459      643553         +94     
  Branches       47432       47429          -3     
===================================================
+ Hits          489095      489400        +305     
+ Misses        150791      150586        -205     
+ Partials        3573        3567          -6     

Flag	Coverage Δ
Debug	76.04657% <0.00000%> (+0.03629%)	⬆️
integration	18.01618% <0.00000%> (-0.01207%)	⬇️
production	50.02408% <0.00000%> (+0.06925%)	⬆️
test	96.93785% <ø> (+0.00101%)	⬆️
unit	47.46111% <0.00000%> (+0.04844%)	⬆️

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[Tanya-Solyanik]

Thank you!