The name of the button control is changed using . . . . . . . .

Button Tool Window
Change Name
Edit Window
Properties window

The correct answer is D. Properties window.

The Properties window is a window that displays the properties of the currently selected object. To change the name of a button control, select the button control in the Design view and then click the Properties window. In the Properties window, locate the Name property and type the new name for the button control.

Option A, Button Tool Window, is incorrect because the Button Tool Window is used to create button controls. Option B, Change Name, is incorrect because there is no Change Name command. Option C, Edit Window, is incorrect because the Edit Window is used to edit the text of a button control.