Public Overloads Shared Function ToMapPoint( _
   ByVal pixelPoint As Point, _
   ByVal extent As Envelope, _
   ByVal imageWidth As Integer, _
   ByVal imageHeight As Integer _
) As Point

Dim pixelPoint As Point
Dim extent As Envelope
Dim imageWidth As Integer
Dim imageHeight As Integer
Dim value As Point
 
value = Point.ToMapPoint(pixelPoint, extent, imageWidth, imageHeight)

public static Point ToMapPoint( 
   Point pixelPoint,
   Envelope extent,
   int imageWidth,
   int imageHeight
)

System.Drawing.Point screenPt = new System.Drawing.Point(35, 120);
ESRI.ArcGIS.ADF.IMS.Geometry.Point mapPoint = 
    ESRI.ArcGIS.ADF.IMS.Geometry.Point.ToMapPoint(screenPt, 
    mapView.Extent, mapView.ImageDescriptor.Width, 
    mapView.ImageDescriptor.Height);
Label1.Text = String.Format("Map point is: {0}, {1}", 
    mapPoint.X, mapPoint.Y);

Dim screenPt As New System.Drawing.Point(35, 120)
Dim mapPoint As ESRI.ArcGIS.ADF.IMS.Geometry.Point = _
    ESRI.ArcGIS.ADF.IMS.Geometry.Point.ToMapPoint(screenPt, _
    mapView.Extent, mapView.ImageDescriptor.Width, _
    mapView.ImageDescriptor.Height)
Label1.Text = String.Format("Map point is: {0}, {1}", _
    mapPoint.X, mapPoint.Y)