Assigns the action specified by onOK as the OK button handler. Assigns the action specified by onCancel as the Cancel button handler. Assigns the action specified by onHelp as the Help button handler.

Public Sub New(
    control As System.Windows.Forms.Control, 
    onOK As TabbedDialogAction, 
    onCancel As TabbedDialogAction, 
    onHelp As TabbedDialogAction
)

public TabbedDialogExtension(
    System.Windows.Forms.Control control, 
    TabbedDialogAction onOK, 
    TabbedDialogAction onCancel, 
    TabbedDialogAction onHelp
);