dotnet/winforms

RootFolder property doesn't work for modernize ForderBrowserDialog

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#3,290 opened on May 15, 2020

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:beetle: bughelp wanted

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Description

  • .NET Core Version: .Net Core 5.0 from master branch: 5.0.100-preview.5.20262.7

  • Have you experienced this same bug with .NET Framework?: No

Minimal repro:

  1. Create a Winforms .Net Core Application
  2. Add following code to show modernize folderBrowserDialog and set its RootFolder property to specific Folder 
        public Form1()
    {
        InitializeComponent();
        FolderBrowserDialog folderBrowserDialog = new FolderBrowserDialog();
        **folderBrowserDialog.RootFolder = Environment.SpecialFolder.CommonStartMenu;**
        folderBrowserDialog.ShowDialog();
    }
  3. Build and run application

Actual behavior: RootFolder property setting doesn't work, please see following screenshot: image

Expected behavior: RootFolder should be changed in modernize folderBrowserDialog, see below screenshot in old folderBrowserDialog(.Net Framework behavior) image

Contributor guide

Research direction
Investigate how the modern FolderBrowserDialog handles the RootFolder property. Compare with the old implementation and trace the dialog creation path to identify where the property is not being applied.
Tech stack
csharp
Domain
desktop
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
C#Windows FormsGit
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75