ScrollBarRenderer.GetThumbGripSize Method (Graphics, ScrollBarState)
Returns the size of the scroll box grip.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
The operating system does not support visual styles.
Visual styles are disabled by the user in the operating system.
Visual styles are not applied to the client area of application windows.
The size of the scroll box grip is determined by the current visual style of the operating system.
Before using this method, you should verify that the IsSupported property returns true.
Available since 2.0