/// <summary>
/// Prompt user to choose a file from a list.
/// </summary>
/// <param name="fileList">A list of files to be picked.</param>
/// <returns>
/// The picked file index.
/// Or -1 if Cancel button is clicked.
/// </returns>
public static int PromptUser(IEnumerable <string> fileList)
{
var dialog = new PickFileWindow(fileList);
dialog.ShowModal();
return(dialog.ViewModel.Result);
}
public PickFileWindowViewModel(PickFileWindow owner, IEnumerable <string> fileList)
{
_owner = owner.ThrowIfNull(nameof(owner));
if (fileList?.Count() < 2)
{
throw new ArgumentException($"{nameof(fileList)} is null or count is less than 2.");
}
_fileList = fileList;
SelectedIndex = 0;
Result = -1;
SelectFileCommand = new ProtectedCommand(OnSelectFileCommand);
}