Public Shared Function ZoomIn( _
   ByVal currentExtent As Envelope, _
   ByVal screenRect As Rectangle, _
   ByVal imageWidth As Integer, _
   ByVal imageHeight As Integer _
) As Envelope

Visual Basic (Usage)	Copy Code
Dim currentExtent As Envelope Dim screenRect As Rectangle Dim imageWidth As Integer Dim imageHeight As Integer Dim value As Envelope   value = NavigationUtility.ZoomIn(currentExtent, screenRect, imageWidth, imageHeight)

public static Envelope ZoomIn( 
   Envelope currentExtent,
   Rectangle screenRect,
   int imageWidth,
   int imageHeight
)

Parameters

currentExtent

The current map extent.

screenRect

The screen rectangle to zoom to, typically the zoom box drawn by the user.

imageWidth

The map image width.

imageHeight

The map image height.

Target Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family

Reference