Zoom region

[Software FX]

Yes, is possible to get the zoomed coordinates, using the following code:

Private Sub Form_Load()

ChartFX1.TypeMask = ChartFX1.TypeMask Or CT_TRACKMOUSE

End Sub

Private Sub ChartFX1_MouseMoving(ByVal x As Integer, ByVal y As Integer, nRes As Integer)

    Dim nHit As CfxHitTest

    Dim nSeries As Integer

    Dim nPoint As Long

    Dim dX As Double

    Dim dy As Double

    ' Convert from pixel to logical X,Y coordinates

    ChartFX1.PixelToValue x, y, dX, dy, AXIS_Y

    Text1.Text = Format(dX, "0.0")

    Text2.Text = Format(dy, "#")

    ' Find out what was hit

    nHit = ChartFX1.HitTest(x, y, nSeries, nPoint)

    Text3.Text = nSeries + 1

    Text4.Text = nPoint + 1

End Sub

This sample will get mouse move and button down and mouse button up to apply those values to the zoomin event.

 <<mouse zoom.frm>>  <<mouse zoom.frx>>  <<mouse zoom.vbp>>  <<mouse zoom.vbw>> 

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 -----Original Message-----

From: 	Abram Krebs [mailto:duckwood@gamry.com] 

Sent:	Friday, October 27, 2000 11:21 AM

Posted To:	General

Conversation:	Zoom region

Subject:	Zoom region

Is it possible to get the values of the zoomed region?  e.g. I have a chart

from 0 to 100 in the X and 0 to 100 in the Y.  The user zooms, and is

viewing 25-35 in the X and 45-55 in the Y.  Can I get these coordinates?

The Axis Min and Max still relate to the overall graph...

Thanks,

Abe