OnMouseLeftButtonDown Method (SelectionStrategyBase)

Called when a left mouse down is received.

Syntax

Visual Basic

'Declaration
 
Public MustOverride Function OnMouseLeftButtonDown( _
   ByVal item As ISelectableItem, _
   ByVal e As MouseEventArgs _
) As Boolean

C#

public abstract bool OnMouseLeftButtonDown( 
   ISelectableItem item,
   MouseEventArgs e
)

Parameters

item

The selectable item that the mouse is over (may be null)

e

The mouse event args

Return Value

Returning true on a mouse down message will cause the mouse to be captured

Remarks

Note: The OnMouseMove and OnMouseLeftButtonUp methods are called only if this method returns true and thereby captured the mouse.

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2