. . . . . . . . is used to add a GroupBox to the interface.

GroupBox tool
Group tool
Properties Window
View Window

The correct answer is: A. GroupBox tool

The GroupBox tool is used to add a GroupBox to the interface. A GroupBox is a container control that can be used to group related controls together. It can be used to create a logical grouping of controls, and to provide a title for the group.

The GroupBox tool is located in the Toolbox, which can be opened by clicking on the Toolbox button on the toolbar. The GroupBox tool is a small rectangle with a group of lines inside it. To add a GroupBox to the interface, click on the GroupBox tool in the Toolbox and then click and drag on the form to create the GroupBox.

Once you have added a GroupBox to the interface, you can add controls to it by dragging them from the Toolbox to the GroupBox. You can also change the properties of the GroupBox, such as its title, by selecting it and then clicking on the Properties Window button on the toolbar.

The Properties Window displays the properties of the selected control. You can change the properties of the GroupBox by clicking on the property you want to change and then typing in the new value.

Here is a brief explanation of each option:

  • A. GroupBox tool is used to add a GroupBox to the interface. A GroupBox is a container control that can be used to group related controls together. It can be used to create a logical grouping of controls, and to provide a title for the group.
  • B. Group tool is not a valid option.
  • C. Properties Window displays the properties of the selected control. You can change the properties of the control by clicking on the property you want to change and then typing in the new value.
  • D. View Window displays the view of the form. You can change the view of the form by clicking on the view you want to use.