By default, the MaxWidth property is 96 pixels. The MinWidth property indicates the minimum width for the time scale, and the MaxWidth indicates the maximum size of the time scale. The Width property of the time scale indicates the width in pixels of the time scale.  The Visible property shows or hides the time scale.The AllowResize property may specify whether a time scale is resizable or not, while AllowResizeTimeScale property on exDisallow may specify that no time scale can be resized at runtime. 

The AllowResizeTimeScale property indicates the keys the user can resize at runtime the time scale. The AllowResize property may specify whether a time scale is resizable or not, while AllowResizeTimeScale property on exDisallow may specify that no time scale can be resized at runtime. The LayoutStartChanging( exScheduleResizeTimeScale) and LayoutEndChanging( exScheduleResizeTimeScale) properties notifies your application once the user resizes a time scale.