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TrackBarRenderer.GetBottomPointingThumbSize Method

Returns the size, in pixels, of the track bar slider (also known as the thumb) that points down.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

public static Size GetBottomPointingThumbSize(
	Graphics g,
	TrackBarThumbState state


Type: System.Drawing.Graphics
The Graphics this operation will use.
Type: System.Windows.Forms.VisualStyles.TrackBarThumbState
One of the TrackBarThumbState values that specifies the visual state of the track bar slider.

Return Value

Type: System.Drawing.Size
A Size that specifies the size, in pixels, of the slider.


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 slider is determined by the current visual style of the operating system.

Before calling this method, you should verify that the value of the IsSupported property is true.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.