/// <summary>
/// Raises the <see cref="VistaFileDialog.FileOk" /> event.
/// </summary>
/// <param name="e">A <see cref="System.ComponentModel.CancelEventArgs" /> that contains the event data.</param>
protected override void OnFileOk(CancelEventArgs e)
{
// For reasons unknown, .Net puts the OFN_FILEMUSTEXIST and OFN_CREATEPROMPT flags on the save file dialog despite
// the fact that these flags only works on open file dialogs, and then prompts manually. Similarly, the
// FOS_CREATEPROMPT and FOS_FILEMUSTEXIST flags don't actually work on IFileSaveDialog, so we have to implement
// the prompt manually.
if (DownlevelDialog == null)
{
if (CheckFileExists && !File.Exists(FileName))
{
PromptUser(ComDlgResources.FormatString(ComDlgResources.ComDlgResourceId.FileNotFound, Path.GetFileName(FileName)), MessageBoxButton.OK, MessageBoxImage.Exclamation, MessageBoxResult.OK);
e.Cancel = true;
return;
}
if (CreatePrompt && !File.Exists(FileName))
{
if (!PromptUser(ComDlgResources.FormatString(ComDlgResources.ComDlgResourceId.CreatePrompt, Path.GetFileName(FileName)), MessageBoxButton.YesNo, MessageBoxImage.Exclamation, MessageBoxResult.No))
{
e.Cancel = true;
return;
}
}
}
base.OnFileOk(e);
}
