/// <summary>
/// Displays a folder browser dialog to the user.
/// </summary>
/// <param name="description">The description that is displayed inside the folder browser dialog.</param>
/// <returns>Returns the dialog result and the path that the user has selected.</returns>
public virtual async Task <DialogResult <string> > ShowFolderBrowseDialogAsync(string description)
{
// Since the dialog box must be invoked on the UI thread, the invocation is dispatched to the UI thread
return(await this.applicationService.CurrentDispatcher.InvokeAsync(() =>
{
// Creates the folder browser dialog, shows it to the user and returns the dialog result and the selected path
using (Forms.FolderBrowserDialog folderBrowserDialog = new Forms.FolderBrowserDialog())
{
// Sets the description of the folder browser dialog
folderBrowserDialog.Description = description;
// Displays the folder browser dialog to the user and returns the dialog result
if (folderBrowserDialog.ShowDialog() == Forms.DialogResult.OK && !string.IsNullOrWhiteSpace(folderBrowserDialog.SelectedPath))
{
return new DialogResult <string>(DialogResult.Okay, folderBrowserDialog.SelectedPath);
}
else
{
return new DialogResult <string>(DialogResult.Cancel, string.Empty);
}
}
}));
}
/// <summary>
/// Displays a folder browser dialog to the user.
/// </summary>
/// <param name="description">The description that is displayed inside the folder browser dialog.</param>
/// <returns>Returns the dialog result and the path that the user has selected.</returns>
public virtual async Task<DialogResult<string>> ShowFolderBrowseDialogAsync(string description)
{
// Since the dialog box must be invoked on the UI thread, the invocation is dispatched to the UI thread
return await this.applicationService.CurrentDispatcher.InvokeAsync(() =>
{
// Creates the folder browser dialog, shows it to the user and returns the dialog result and the selected path
using (Forms.FolderBrowserDialog folderBrowserDialog = new Forms.FolderBrowserDialog())
{
// Sets the description of the folder browser dialog
folderBrowserDialog.Description = description;
// Displays the folder browser dialog to the user and returns the dialog result
if (folderBrowserDialog.ShowDialog() == Forms.DialogResult.OK && !string.IsNullOrWhiteSpace(folderBrowserDialog.SelectedPath))
return new DialogResult<string>(DialogResult.Okay, folderBrowserDialog.SelectedPath);
else
return new DialogResult<string>(DialogResult.Cancel, string.Empty);
}
});
}
private void ButtonBrowse_Click(object sender, EventArgs e)
{
Forms.FolderBrowserDialog dlg = new Forms.FolderBrowserDialog();
if (dlg.ShowDialog() == Forms.DialogResult.OK)
{
TextBoxPath.Text = dlg.SelectedPath;
}
}