Re: CFrameWnd on Secondary Monitor

rockdale <>
Wed, 2 Feb 2011 12:06:58 -0800 (PST)
Thanks for the reply regarding the multi-monitor.

I can get my secondary monitor coordinates (the system is configured
to have 2 monitors, in the case of more than 2 monitors, I can still
get the coordinates of the specified monitor). BUT I do not know how
to move my FrameWnd to the new window pos as it created indirectly by
the framework.

again, thanks

On Feb 2, 2:02 pm, Joseph M. Newcomer <> wrote:

Did you read the multi-monitor API descriptions?

Take a look at EnumDisplayMonitors, GetMonitorInfo, MonitorFromPoint, etc=


Note that the "secondary" monitor could be above, below, or to the left o=

f the main

monitor, and you don't know until you've examined all the monitors, deter=

mined which one

you are currently on, and selected one of the others (for example, my mai=

n machine has the

potential for four monitors, although this week I only have two screens p=

lugged in). Note

that the concept that there is "one other" monitor does not hold, nor is =

there any fixed

relationship of the coordinates of the secondary monitors to what is the =

main monitor (on

my laptop, for example, the secondary monitor is to the *left* of my "mai=

n" monitor,

giving it negative coordinates). Generally, I defer this to the point =

where the window

already exists but has not yet been shown.

On Wed, 2 Feb 2011 09:17:33 -0800 (PST), rockdale <

om> wrote:

Hi, All

I have an MFC application and wanted to launch the MainFrame on the
secondary monitor.

The MainFrame is created by SingleDocTemplate see code below.

BOOL CMyApp::InitInstance()
  CSingleDocTemplate* pDocTemplate;
  pDocTemplate = new CSingleDocTemplate(


(From MSDN: When a CFrameWnd object contains views and documents, they
are created indirectly by the framework instead of directly by the
programmer. The CDocTemplate object orchestrates the creation of the
frame, the creation of the containing views, and the connection of the
views to the appropriate document. )

My question is how can I set the rectDefault so that the CMyFrameWnd
can be shown on the secondary monitor? (Suppose I can get the

Thanks a lot

Joseph M. Newcomer [MVP]
MVP Tips:

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