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I think the OP would like to know this. 
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So let he/she know. 
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke
[My articles]
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Hi, CDlg is derived from CDlgSlct.
I have tried using the base class also.
But of no use.
Regards
MSR
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And what is CDlgSlct derived from? You should know and understand your inheritance tree. In either case see the message from CPallini which tells you what identifier to use for the Dialog windows class.
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Just to be clear, a C++ class should not be confused with a windows class.
Use Spy++, it will tell you the (windows) class name of any window you care to query. Do this to a dialog, and you'll see the name that cPallini provided - the same class-name that you should use with FindWindow.
To that end, which C++ class you inherit from is somewhat irrelevant. You just need the windows class name for a dialog box.
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Use WindowFromPoint Api if you know approx location in x,y cords
this returns handle
e.g.
[DllImport("user32.dll")]
static extern IntPtr WindowFromPoint(POINT Point);
The trick is making sure unknown application starts in a known place.
Regards
David Rathbone
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Not to mention it musn't be covered by any other window...i doubt this method would be reliable.
> The problem with computers is that they do what you tell them to do and not what you want them to do. <
> If it doesn't matter, it's antimatter.<
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Hello,
I have a (maybe small) problem that is driving me mad.
I am using a CHtmlView derived class to display a html file that is stored locally on the PC. I'm using Navigate2() for that. On Windows XP machines everything works fine but Windows 7 always opens a new IExplorer window instead of displaying the file in my view. I tried to override OnNewWindow2() but the according event does not occur.
I use the following code in the OnInitialUpdate() function of the view:
CString fileName = theApp.m_sSettingsPath + CString("Certificate\\certificate.htm");
Navigate2(fileName);
I've also tried the "file://" syntax, but same behaviour.
Thank's for your help,
Ralf
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You need to use the extra options (dwFlags and lpszTargetFrameName) in the Navigate2()[^] call, as described here[^].
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Thanks for your suggestions but I don't get it working.
I've tried with all of the TargetFrameNames ("_self", "_top", "_parent") - no effect.
For the BrowserNavConstants therer are several flags to open the file in a new window, tab ... but no one that prevents a new window explicitly.
Another strange observation: when trying to open a URL (http://www.google.de/) it wont't show the rendered site but the source of the site in notepad.
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Sorry but I cannot suggest anything further if the Microsoft code does not work. Unfortunately I don't have MFC so can't try reproducing the problem.
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Member 8109560 wrote: I've tried with all of the TargetFrameNames ("_self", "_top", "_parent") - no effect
Also tried with your window name, or only the cited predefined strings ?
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How do I get my window name? Is it the one in the title bar?
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Member 8109560 wrote: Is it the one in the title bar
Not necessarily; you can find it out using Spy++, or programmatically with, for instance:Get a handle on your window and use GetWindowText().
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Same behavior when specifying my window as target. 
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1) how about Navigate2("http://www.xxx.com"...)?
2) try OnNewWindow3 please.
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Thanks for your help, but still no luck.
Implemented a handler for the NewWindow3 event but it seems that the event is not fired.
Tried with Navigate2("http://www.codeproject.com") but same behaviour (source code shown in notepad).
When trying to open local file it is downloaded to temporary internet files and then opened in IE.
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The behavior sounds like that the Win7 default shell operation not correctly set.
Can you check the registry for the default value of HKEY_CLASSES_ROOT\htmlfile\shell
[HKEY_CLASSES_ROOT\htmlfile\shell]
@="opennew"
or you can try on another Win7 machine?
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Thanks again.
Checked the registry value: was OK. Checked on another Win7 system: same behaviour.
Created a new blank SDI-App with a CHtmlView derived View. Same code like in my original app:
CHtmlViewTest::OnInitialUpdate()
{
CHtmlView::OnInitialUpdate();
Navigate2(_T("http://www.codeproject.com"));
}
The source code of the page is opened in notepad.
If I use a local html file, it is displayed correctly.
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It's really very strange...
Because CHtmlView::Navigate2 just a wrapper of IWebBrowser2::Navigate2
Maybe you need to step into the Navigate2 call.
or just call IWebBrowser2::Navigate2 directly and see what will happened.
Unfortunately I does not have Win7 on hand. So, can not help you more.
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I've just tried to call Navigate2 in the CHtmlView and the IWebBrowser2 with all the same behavior.
I come to think that it might be some user permissions thing on Windows 7. Maybe my app is not allowed to open websites? Does anyone know which permissions have to be granted? I've checked the I[Internet Explorer\Main\FEATURE_...] stuff but did not find something appropriate.
I had a look on the process creation and following happened:
After my Navigate2 call an iexplore process was created and this one created another iexplore process that then showed my page.
modified on Thursday, August 25, 2011 3:16 AM
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Wild guess:
CHtmlView::Navigate2(fileName);
Just in case there is another Navigate2 around.
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I have an MDI project, that obvioulsy can open more then one document open ... but the request is to could be open only one ... how can I do that ?
Let say that we have open a first document file, and if the user want to create a new document or open an existing document file, should close all documents and let the user to create or open another document ...
I override OnFileNew() and OnFileOpen() from CMyDocument class, but I can't create or open documents then ... there is another solution ?
Thank you.
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Flaviu2 wrote: another solution ?
Please check the behavior of notepad.exe .
It is concepted as SDI application 
They sought it with thimbles, they sought it with care;
They pursued it with forks and hope;
They threatened its life with a railway-share;
They charmed it with smiles and soap.
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Though, I need a MDI application that should open a single document at time ...
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