It's called Hotlink

See below (taken from the MI online help)

--------------------------

Making Map Objects Active

When a map object is linked to a URL or file, the object becomes an
active object.  Clicking on an active object with the HotLink Tool will
launch the associated URL or file.


To link objects to a URL or file:

1. Open a MapInfo table that contains map objects, (for example, a
MapInfo table with points that represent universities in the United
States).
2. Create a character field where you can enter a URL or file for the
desired object:
.       Choose Table > Maintenance > Table Structure.  The View/modify
Table Structure dialog displays.
.       Choose Add Field and add a character field.  You can name the
field as you choose.  Make sure the field is wide enough to accomodate
the longest URL or file name string.
.       Click OK.
3. Open a New Browser Window and in the new field enter a URL or file
string to be associated with that row's map object.
4. Add the table to a new or existing map window.  Make this map window
the active window.
5.. Choose Map > Layer Control.  The Layer Control dialog displays.
6. Highlight the layer whose Hotlink options you want to set and press
the Hotlink.button.  The HotLink Options dialog displays.  
Note: the HotLink button is disabled when a thematic, grid, raster or
cosmetic layer is highlighted.
7. Click the Filename Expression dropdown list and choose the field
created in step 2.
8. If the location of the files associated with the map objects is
relative to the location of the table in which the map objects are
stored, then check the "File locations are relative to table location"
box.
9. Choose Labels, Objects or Labels & Objects.  Your choice determines
how the objects in the layer are activated (the URL or file launched).
10. Check the "Save options to table metadata" box if you want these
HotLink options automatically restored the next time you use the same
table in a Map or Browser window.
11. Click OK.  See, Using the Hotlink Tool In A Map Window.


Using The HotLink Tool In A Map Window

The HotLink Tool allows you to launch a URL or file associated with an
active object by clicking on the object or its label.
Note:  The HotLink Tool is available for Map windows containing at least
one active layer.  A layer is active if it is selectable or editable and
its HotLink options have been set (in particular the Filename
Expression).
To launch a URL or filename using the HotLink tool:
1. Click the HotLink button (lightning bolt) in the Main toolbar.  The
cursor appears as a pointing hand.
2. When the cursor is positioned over an active object, the cursor
becomes a pointing hand holding a lightning bolt.  The link associated
with the active object displays in the status bar. 
3. Click on the object or label to launch the associated URL or file.
If multiple objects exist under the point where you click, then a popup
window appears containing a list of the selectable objects.  Choose the
object whose link you want to activate.


Regards,

Hauke Steinberg

MCOS, Dublin


> -----Original Message-----
> From: Ole Frank Nielsen [mailto:[EMAIL PROTECTED]]
>
> It should be possible to make photographs appear by clicking on
objects
> (points) in MI. However I do not know how it works. I have seen it
work
> very
> nicely with ArcView.
> 
> Any idea as to how to make it work in MI?




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