How do you modify controls to be the same size as the tallest control?

The correct method to modify controls to be the same size as the tallest control involves utilizing the 'Size/Space' button located under the Arrange tab. This feature is specifically designed to allow users to easily adjust the sizes of selected controls in relation to each other. By selecting the controls you want to resize and then using this option, you can ensure that all selected items are adjusted to the same height as the tallest control, thus maintaining uniformity in your design.

The other methods, while related, do not provide the same level of convenience or efficiency. For instance, using the Format menu can be more cumbersome and less intuitive for sizing multiple controls simultaneously. Manually adjusting each control's size requires more effort and is prone to human error, as it can be difficult to achieve exact uniformity without a reference. Lastly, the Properties panel allows for precise control over dimensions but is less efficient for scaling multiple controls at once, as it requires individually entering sizes rather than applying a uniform adjustment across selected controls.