Programmatically resize desktop

[James_W]

I have an anoying problem. My graphincs card is $#!£. Everythime I restart my work laptop I have to reset the screen resolution settings.

Does anyone know:

1) How to Set the display resolution of Windows  thriugh LabVIEW?

2) How to select the output device (Monitor, laptop, Laptop & monitor)?

3) How to detect the output device?

I need a better machine, I can't have one, so I need to create a VI to make my life easier.

Cheers

James

[Andrew McL]

Hi James W,

Thank you for contacting National Instruments. Regarding your query, I think you're going to need to look at the Windows API for most of the details on how to do what you want to do. So far, I have found the following details:

1. There is a registry Key that stores the screen resolution, it is located here

HKEY_CURRENT_CONFIG>>System>>CurrentControlSet>>Control>>Video and then drill down from here (I think the large hex value changes between machines).

I can't recommend changing your registry without first backing everything up. You can use the registry VIs within LabVIEW to make this change. 

2. I am not sure, I think you will probably need to call some part of the Windows API. I would recommend having a look at MSDN to track this one down. 

3. Again, I am not sure. Once you have found the corresponding DLL/Registry Key, you will be able to call them and access them through LabVIEW.

I hope this helps,

Many thanks,

Message Edited by Andrew McL on 04-19-2010 05:06 AM

[James_W]

Thanks Andrew,

I was hoping someone might have done this before.

As:

1) the values may change between machines

2) it requires messing with the registry. (Big no no for me)

I won't be trying this. but thanks for the pointers.

James