WinForms

From comment on review here: CommunityToolkit/WindowsCommunityToolkit#4206 (comment)

Describe the bug

Our DataGrid Mountain CSV file: https://github.com/CommunityToolkit/WindowsCommunityToolkit/blob/main/Microsoft.Toolkit.Uwp.SampleApp/Assets/mtns.csv

Doesn't contain all the precise dates. Would be good if we can fill in more month/dates for the li

• .NET Core Version: all up to latest (5.0.5).

• Have you experienced this same bug with .NET Framework?: yes

Problem description:
TreeView is flickering (especially on large amount of data):
Native control has ex. style TVS_EX_DOUBLEBUFFER that fix the problem:

private class 

After setup my blog (BlogEngine.net 3.3.8.0 on IIS 8.0) to use https I cannot publish anymore a post. Neither I cannot re-add my blog after remove it.

When I try to do, I receive this error

Open Live Writer

Can't connect to your blog service:
Network Connection Error - Error attempting to connect to blog at:
http://www.myDomain.com

I would find it useful to be able to hide the text of a RibbonPanel, to have a new property like .HideText or .ShowText, reducing the height of the panel. Or even that the text-area disappears when text is set to empty.

Thanks.