You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You add a custom command as a resource. The key of the command is saveCommand. You write the following code fragment. (Line numbers are included for reference only.) You need to ensure that saveCommand is executed when the user clicks the Button control. What should you do? ()
You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. The application has a window with a canvas element. You need to draw a black line that has rounded edges at each end. Which code fragment should you use?()
You use Microsoft .NET Framework 4 to create an application. The application contains a partially trusted client assembly and a server assembly. You create a custom sandboxed application domain. You need to ensure that the application can be executed in a partial-trust environment. What should you do?()
Just over 70% of people()for the survey said the net had become essential.
You are creating a Windows Forms application by using the .Net Framework 3.5 You plan to display detailed help instructions for each control in the form.You create a help file.You configure a HelpProvider component on the form. You need to display the help file for the control that is focused when the F1 key is pressed. Which method of the HelpProvider class should you call for each control?()
You are creating a Windows Forms application by using the .Net Framework 3.5.You plan to display detailed help instructions for each control in the form.You create a help file.You configure a HelpProvider component on the form.You need to display the help file for the control that is focused when the F1 key is pressed.Which method of the HelpProvider class should you call for each control?()
You are creating a Windows Forms application by using the .NET Framework 3.5. You create a new form in the application.You add a ContextMenuStrip control named dctxMenu to the form. You have a user defined class named CustomControl.You write the following code segment in the application (Line numbers are included for reference only ) CustomControl myControl = new CustomControl(); You need to ensure that an instance of CustomControl is displayed on the form as a toplevel item of the ctxMenu control. Which code segment should you add?()
Which statement is true about Oracle Net Listener?()
Oracle Net Configuration Assistant is a post-installation tool that configures basic network components after installation. Which four components are included in the configuration?()
执行命令?at(“net”"Internet”)的显示结果是()