public DownloadFileDlg(long fileId, string fileHash, string fileName) { InitializeComponent(); this.FileId = fileId; this.FileHash = Commons.NotBlank(fileHash, "fileHash").Trim(); this.FileName = Commons.NotBlank(fileName, "fileName").Trim(); this.label2.Text = string.Format(Properties.Resources.DownloadFileDlg_Downloading, this.FileName); }