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Slider::OnThumbDragStarted Method

.NET Framework 4.5

[This documentation is for preview only, and is subject to change in later releases. Blank topics are included as placeholders.]

Provides class handling for the DragStarted event that occurs when the user starts to drag the Thumb of the Slider.

Namespace: System.Windows.Controls
Assembly: PresentationFramework (in PresentationFramework.dll)

Syntax

C++

protected:
virtual void OnThumbDragStarted(
	DragStartedEventArgs^ e
)

Parameters

e: Type: System.Windows.Controls.Primitives::DragStartedEventArgs
The event data.

Remarks

In addition to the default processing of the DragStarted event, this implementation displays a tooltip that shows the Value of the Slider when the AutoToolTipPlacement property is not set to None.

This implementation does not handle the DragStarted event. The value of the Handled property of the DragCompletedEventArgs is not changed.

This method can be overridden to customize the way a Slider processes Thumb movements.

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

Windows 8 Consumer Preview, Windows Server 8 Beta, Windows 7, Windows Server 2008 SP2, Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

Reference

Slider Class

System.Windows.Controls Namespace

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