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Click-through issue at top-right corner under high DPI scaling on Windows #3010

Description

@ParseeX

Description

When running YGOPro on Windows with display scaling set to 150%, clicks performed exactly at the top-right boundary of the window can pass through the YGOPro window and interact with the window behind it.

Steps to Reproduce

Set Windows display scaling to 150%

Launch YGOPro and maximize the window

Place another window behind it

Move the cursor to the exact top-right edge of the YGOPro window

Click

Expected Behavior

Clicks at the window boundary should still be captured by the YGOPro window.

Actual Behavior

Clicks performed exactly at the top-right boundary are not captured by the YGOPro window and instead interact with the window behind it (e.g., closing it).

Additional Findings

The issue occurs only at the exact window boundary

Moving the cursor even slightly inward prevents the issue

Does NOT occur at 100% display scaling

Does NOT occur when forcing DPI mode to "Application"

Environment

OS: Windows 10

Resolution: 3840×2160

Display scaling: 150%

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