Mouse Class

.NET Framework (current version)

Provides properties for getting information about the format and configuration of the mouse installed on the local computer.

Namespace: Microsoft.VisualBasic.Devices
Assembly: Microsoft.VisualBasic (in Microsoft.VisualBasic.dll)

Inheritance Hierarchy

System::Object
Microsoft.VisualBasic.Devices::Mouse

Syntax

C++

[HostProtectionAttribute(SecurityAction::LinkDemand, Resources = HostProtectionResource::ExternalProcessMgmt)]
public ref class Mouse

Constructors

	Name	Description
	Mouse()	Initializes a new instance of the Mouse class.

Properties

	Name	Description
	ButtonsSwapped	Gets a Boolean that indicates if the functionality of the left and right mouse buttons has been swapped.
	WheelExists	Gets a Boolean that indicates if the mouse has a scroll wheel.
	WheelScrollLines	Gets a number that indicates how much to scroll when the mouse wheel is rotated one notch.

Methods

	Name	Description
	Equals(Object^)	Determines whether the specified object is equal to the current object.(Inherited from Object.)
	Finalize()	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.(Inherited from Object.)
	GetHashCode()	Serves as the default hash function. (Inherited from Object.)
	GetType()	Gets the Type of the current instance.(Inherited from Object.)
	MemberwiseClone()	Creates a shallow copy of the current Object.(Inherited from Object.)
	ToString()	Returns a string that represents the current object.(Inherited from Object.)

Remarks

The My.Computer.Mouse object provides a way to find information about the computer's mouse: whether the mouse buttons are swapped, and details about the mouse wheel.

Availability by Project Type

Project type	Available
Windows Application	Yes
Class Library	Yes
Console Application	Yes
Windows Control Library	Yes
Web Control Library	No
Windows Service	Yes
Web Site	No

Examples

This example uses the My.Computer.Mouse.WheelExists and My.Computer.Mouse.WheelScrollLines properties to determine if the mouse has a scroll wheel and how much to scroll when it rotates.

If My.Computer.Mouse.WheelExists Then
    Dim lines As Integer = My.Computer.Mouse.WheelScrollLines
    If lines > 0 Then
        MsgBox("Application scrolls " & 
            lines & " line(s) for each wheel turn.")
    Else
        MsgBox("Application scrolls " & 
            (-lines) & " page(s) for each wheel turn.")
    End If
Else
    MsgBox("Mouse has no scroll wheel.")
End If

Version Information

.NET Framework
Available since 2.0

Thread Safety

Any public static ( Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.