讀取組件的版本編號 System.Version version = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version; this.lblVersion.Text = String.Format("{0}.{1}", version.Build, version.MinorRevision); 讀取 ClickOnce 部屬時的版本編號 if (System.Deployment.Application.ApplicationDeployment.IsNetworkDeployed) { System.Version version = System.Deployment.Application.ApplicationDeployment.CurrentDeployment.CurrentVersion; this.lblVersion.Text = String.Format("{0}.{1}.{2}", version.Minor, version.Build, version.MinorRevision); } 版本編號有4個數字組成,依序為 Major : 主要 Minor : 次要 Build : 組建 MinorRevision : 修訂 參考 How to display ClickOnce Version number on Windows Forms