--
Dr Gavin Powell, Research Associate
School of Computer Science, Cardiff University
http://www.difdtc.com
On 18 Apr 2006, at 10:33, Bobby Clarke wrote:
> Hi, Gavin
>
>
> How multiple screens behave depends on the version of Windows and the
> hardware setup. There are Windows APIs (uses TMonitor etc) for
> multiple
> monitors but these only work if you have multiple video adapters. The
> Dual Out cards, like Radeon, handle multiple monitors as a single
> desktop in Windows 2000 but actually recognize the two screen in XP.
>
> If you maximize a window with Radeon in W2000, it takes over the the
> total area available. If you do the same in XP, it maximizes to a
> single
> monitor. You can drag a restore window to total area so a restored
> window can be bigger than a maximized one!
>
> I prefer XP as a default central window does not overlap both screens.
>
> Within Delphi, the addressing is a single desktop. Watch if you create
> an application on a dual screen and use the right screen for the
> opening
> Window. If does not show on a standard system. I have been caught many
> times as I code on the left and view on the right.
>
> You can increase the desktop space of a standard system to way beyond
> the size of the monitor. You can then scroll around but it is a pain.
>
> One solution is to ask the user to position windows where he wants
> them,
> record the positions as a rectangles which you can then use next time.
>
>
> Bobby Clarke
>
> PS Thanks to everyone who helped months ago with my problem about
> passing function names as parameters. The problem is now solved but I
> have had some hardware problems which is why I just changed
> hardware and
> windows.
>
>
>
> Gavin Powell wrote:
>> Warrick,
>>
>> If you stretch the windows desktop across say 2 monitors, can you
>> differentiate between the monitors? So could you say put form1/
>> window1 fullscreen on monitor 1 and form2/window2 fullscreen on
>> monitor 2? or does it just become a pseudo stretched single monitor/
>> desktop?
>>
>> Thanks
>>
>> Gav
>>
>>
>> --
>> Dr Gavin Powell, Research Associate
>> School of Computer Science, Cardiff University
>> http://www.difdtc.com
>>
>>
>> On 2 Apr 2006, at 17:37, Warrick Wilson wrote:
>>
>>> Can you give us some idea of what you're wanting to do? For
>>> example, the
>>> Delphi code we use at work can draw a multimedia playback window
>>> across
>>> multiple monitors, where the hardware is set up such that the
>>> Windows
>>> desktop stretches across all the monitors. We've had some 4 and 8
>>> channel
>>> displays going. Quality can suffer, depending on drivers and
>>> interface to
>>> the hardware (AGP being better than PCI, for example).
>>>
>>> The following links talk about the TScreen object:
>>>
>>> http://www.planet-source-code.com/vb/scripts/ShowCode.asp?
>>> txtCodeId=55&lngWI
>>> d=7
>>> http://delphi.about.com/od/vclusing/l/aa112399.htm
>>>
>>> And I think there's a Tmonitor that describes the monitors...
>>>
>>> Warrick
>>>
>>>> -----Original Message-----
>>>> From: Gavin Powell [mailto:[EMAIL PROTECTED]
>>>> Sent: Sunday, April 02, 2006 5:05 AM
>>>> To: [email protected]
>>>> Subject: [delphi-en] Dual Screen
>>>>
>>>> Hi,
>>>>
>>>> Can anyone point me toward some info on how to use dual
>>>> screens in Delphi?
>>>>
>>>> Thanks
>>>>
>>>> Gav
>>>
>>>
>>>
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>>>
>>>
>>>
>>
>>
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