CSHARP

c# file dialog to get folder path

//Get Folder Path using the full explorer file dialog.
OpenFileDialog folderBrowser = new OpenFileDialog();
// Set validate names and check file exists to false otherwise windows will
// not let you select "Folder Selection."
folderBrowser.ValidateNames = false;
folderBrowser.CheckFileExists = false;
folderBrowser.CheckPathExists = true;
// Always default to Folder Selection.
folderBrowser.FileName = "Folder Selection.";
if (folderBrowser.ShowDialog() == DialogResult.OK)
{
    string folderPath = Path.GetDirectoryName(folderBrowser.FileName);
    // ...
}

open folder dialog c#

// https://github.com/ookii-dialogs/ookii-dialogs-wpf
string path;
var fbd = new VistaFolderBrowserDialog();
fbd.ShowNewFolderButton = true;
fbd.Description = "Select Source Folder";
fbd.ShowDialog();
path = fbd.SelectedPath;
//Fix Length Browse Folder Disk
return path.Length > 3 ? $@"{path}" : $@"{path}";