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ActiveX Control Containers: Connecting an ActiveX Control to a Member Variable

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The new home for Visual Studio documentation is Visual Studio 2017 Documentation on docs.microsoft.com.

The latest version of this topic can be found at ActiveX Control Containers: Connecting an ActiveX Control to a Member Variable.

The easiest way to access an ActiveX control from within its control container application is to associate the ActiveX control with a member variable of the dialog class that will contain the control.

Note

This is not the only way to access an embedded control from within a container class, but for the purposes of this article it is sufficient.

Adding a member variable to the dialog class

  1. From Class View, right-click the main dialog class to open the shortcut menu. For example, CContainerDlg.

  2. From the shortcut menu, click Add and then Add Variable.

  3. In the Add Member Variable Wizard, click Control variable.

  4. In the Control ID list box, select the control ID of the embedded ActiveX control. For example, IDC_CIRCCTRL1.

  5. In the Variable Name box, enter a name.

    For example, m_circctl.

  6. Click Finish to accept your choices and exit the Add Member Variable Wizard.

See Also

ActiveX Control Containers