Gets or sets a value indicating whether the New Folder button appears in the folder browser dialog box.
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When FolderBrowserDialog.ShowNewFolderButton is true, the New Folder button is visible, giving the user a chance to create a folder. When the user clicks the New Folder button, a new folder is created and the user is prompted to specify the folder name. The selected node in the tree becomes the parent of the new folder. The actual caption of the New Folder button can vary depending upon the operating system
Setting FolderBrowserDialog.ShowNewFolderButton to false does not work on Windows 2000.