Measurement Studio Visual C++ 6.0 Multithreads

Question

I want to use the dialog editor to add NI controls to a dialog (or CFormView) and want to set CNiInterface to SingleThreaded. How do I do this. I do not want to create the controls dynamically because I do not want to deal with license strings. I get an error if I close the dialog box when a control is added with the dialog editor. Is this because the controls by default are created as multithreaded with caching? I get by this by calling destroy window on the control. Is this the proper way? Will I have to do this if I use singlethreaded?
Next the documentation says I need to initialize COM. Is this true. Is it not enough to call
AfxEnableControlContainer() in OnInitInstance of my application.
By the way
National Instruments, Your documentation leaves quit a bit to be desired!! Good grief.

Answer 1

The default thread access for the Measurement Studio C++ controls is CNiInterface::MultipleThreadsWithCaching. You do not have to dynamically create the control if you want to create the control with CNiInterface:ingleThread - just specify it in the dialog class constructor's member initialization list. For example, if you had a dialog class called CTestDialog and you had a member variable for the graph in the dialog class called m_graph:
CTestDialog::CTestDialog(CWnd* pParent /*=NULL*/)
: CDialog(CTestDialog::IDD, pParent), m_graph(CNiInterface:ingleThread)
Also, you should not need to initialize COM to use the controls in a dialog. The call to AfxEnableControlContainer in your InitInstance method should be sufficient.
- Elton