Howto get patharray[index].targetinfo.id” from “monitor handles and vice versa

Question

0.00/5 (No votes)

See more:

Hi,

I have to merge code from 2 different projects. Both projects are used to modify monitor / display settings.

In one project “pathArray[index].targetInfo.id” are retrieved with
GetDisplayConfigBufferSizes
QueryDisplayConfig

In the second one “monitor handles” are retrieved with:
EnumDisplayMonitors
GetPhysicalMonitorsFromHMONITOR

I need to know both ways:

How I can get the “monitor handles” (plural, because in cloned display mode 2 monitors should be retrieved) from “pathArray[index].targetInfo.id”

And also the opposite way “pathArray[index].targetInfo.id” from “monitor handles”

What I have tried:

I investigate the according documentations on MSDN.

Posted 12-Jul-19 3:26am

Member 14068019

Updated 12-Jul-19 5:22am

Add a Solution

1 solution

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

KarstenK · Answer 1 · 2019-07-12T05:22:00

You must read the documentation of this functions carefully in GetPhysicalMonitorsFromHMONITOR is written that it is real device but the QueryDisplayConfig is about all possible devices. So the functions are different and you should not merge the code to careless and get fooled by the same variable names. Best is to rename and keep both code pathes and carefully study and debug the usage.

I guess that one code is for enumerate all possible resolutions and the other has the output of the actual settings.