Folder Path Picker

[Jim-Boulder]

Use case: create a public variable in the Properties section so when the user clicks on the dialogue box in the indicator configuration window, they can navigate to a desired folder location, and this returns the full path of the folder they selected.

After conferring with NinjaTrader support, they confirmed there is no built-in class for a "folder picker" where the user navigates to a desired folder location, like there is for files, here: NinjaTrader.Gui.Tools.FilePathPicker.

Online searches usually suggest using the FolderBrowserDialog Class in System.Windows.Forms.

Has anyone had success doing this?

NT support did say one could create a custom type converter for this, so if anyone has a full example (meaning where the typeConverter works within the Indicator Configuration UI), I would appreciate any help you might offer.

[Bidder]

Folder picker:

    private void TextBox1_Picker(object sender, MouseButtonEventArgs e)
        {
            //https://forum.ninjatrader.com/forum/ninjatrader-8/add-on-development/1101848-nt-file-dialog-control
            NinjaTrader.Gui.Tools.LoadingDialog.LoadingDialog loadingDialog = new NinjaTrader.Gui.Tools.LoadingDialog.LoadingDialog()
            {
                //Owner = ChartControl.Parent as Window,
                //Owner = this,
                //FileFilter = "xml Files (*.xml)|*.xml)",
                //FileFilter = "All files (*.*)|*.*)",
                Caption = "Folder location",
                ActionButtonText = "Select",
                Directory = @"f:\temp",
                IsFullBrowsingAllowed = true,
                IsFolderSelectOnly=true,
                IsFolderSelectEnabled=true,
                FileAction = FileAction.Open //Save or Open
            };

            bool? result = loadingDialog.ShowDialog();
            TextBox1.Text=loadingDialog.FileName;
        }
        ​

File picker:

    private void TextBox1_Picker(object sender, MouseButtonEventArgs e)
        {
            //https://forum.ninjatrader.com/forum/ninjatrader-8/add-on-development/1101848-nt-file-dialog-control
            NinjaTrader.Gui.Tools.LoadingDialog.LoadingDialog loadingDialog = new NinjaTrader.Gui.Tools.LoadingDialog.LoadingDialog()
            {
                //Owner = ChartControl.Parent as Window,
                //Owner = this,
                //FileFilter = "xml Files (*.xml)|*.xml)",
                FileFilter = "All files (*.*)|*.*)",
                Caption = "File location",
                ActionButtonText = "Select",
                Directory = @"f:\temp",
                IsFullBrowsingAllowed = true,
//              IsFolderSelectOnly=true,
//              IsFolderSelectEnabled=true,
                FileAction = FileAction.Open //Save or Open
            };

            bool? result = loadingDialog.ShowDialog();
            TextBox1.Text=loadingDialog.FileName;
        }
        ​