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ActiveX Control as a container

Posted on 1998-06-22
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Last Modified: 2013-11-20
Hi,
Is it possible to have an activeX control also serve as a container to load other activeX controls?  I have manually inserted the correct include in stdafx.h "#include <afxdisp.h>"  and called  "AfxEnableControlContainer();" into the control's InitInstance.

The following is a code snippet from a dialog class that that creates the control.  If I embed this dialog
class in an .exe, the createcontrol works.  If I embed this
dialog class in an activex control, the createcontrol call fails (without returning a meaningful error code).

RECT MySize = {0,0,400,400};
m_nID = 10;

CRuntimeClass* pRuntimeClass = RUNTIME_CLASS( CMsacal70);
m_pCsCRCLD = (CMsacal70*)pRuntimeClass->CreateObject();

BOOL bResult = m_pCsCRCLD->CreateControl("MSACAL.MSACALCtrl.7",_T(""),WS_VISIBLE,MySize,this,m_nID);

if (bResult == FALSE)
{
      delete m_pCsCRCLD;
      AfxMessageBox("Control creation failed");
}


Is there anything else that needs to be done when an activex
control is being created inside of another activex control?
Can this be done?

Thanks in advance.
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Question by:brisco
2 Comments
 
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Accepted Solution

by:
chensu earned 600 total points
ID: 1318288
Look into the KB article

SAMPLE: Create an ActiveX Control with a Dialog Resource
http://support.microsoft.com/support/kb/articles/q155/9/73.asp
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Author Comment

by:brisco
ID: 1318289
This solution does work, but I have found that having the dialog created from a CWinThread prevents the control from sucessfully loading.  Not sure why.
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