The new settings Tab Style, Tab Location, and Tab Orientation provide the opportunity to customize the layout of tab headers. The default tab style supported in previous versions, Multi Line, is usually the preferred style. The new style, Single Line, in combination with the ability to specify the location of tab headers may improve readability if there are many tab headers, or if your Form contains nested tab controls.
Tab headers can be located on the top, bottom, left, or right side. The Single Line style also supports defining if tab headers are oriented vertically or horizontally.
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