[HDPI]A form with FormBorderStyle=FixedDialog and ControlBox=false is sized incorrectly - Githubissues

dotnet / winforms

Windows Forms is a .NET UI framework for building Windows desktop applications.

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[HDPI]A form with FormBorderStyle=FixedDialog and ControlBox=false is sized incorrectly #5113

Open Marie-Shi opened 3 years ago

Marie-Shi commented 3 years ago

.NET Core Version: .NET SDK 6.0.100-preview.6.21313.2
Have you experienced this same bug with .NET Framework?: Yes

More info: There is a similar VSO bug: 631474.

Actual behavior: The form is truncated at the bottom. Capture

Expected behavior: Form should look the same way as in the designer.

Minimal repro:

Create a Winforms core application in 100% DPI mode.
In the Form’s properties, set the FormBorderStyle = FixedDialog and ControlBox = false.
Adding some controls(such as Button) near the bottom of the form.
Declare compatibility with Window 10 in app.manifest:
Set Windows DPI as 300%, build and run the application, then observe the form size.

Or

Set Windows DPI as 300%.
Open the attached application. WinFormsApp4.zip
Build and run it, then observe the form size.

kuhnboy commented 2 years ago

I'm interested in the fix as well. Changing ControlBox from false to true fixes the issue, but I don't want a control box.