Dialog-Box Functions (3.1)
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 CheckDlgButton            Changes a check mark by a dialog box button
 CheckRadioButton          Adds a check mark to a radio button
 CreateDialog              Creates a modeless dialog box
 CreateDialogIndirect      Creates modeless dialog box from memory template
 CreateDialogIndirectParam Creates modeless dialog box from memory template
 CreateDialogParam         Creates a modeless dialog box
 DefDlgProc                Provides default window message processing
 DialogBox                 Creates a modal dialog box
 nDlgBox                   Easily test a Dialog Box
 DialogBoxIndirect         Creates modal dialog box from memory template
 DialogBoxIndirectParam    Creates modal dialog box from memory template
 DialogBoxParam            Creates a modal dialog box
 DlgDirList                Fills a directory list box
 DlgDirListComboBox        Fills a directory list box
 DlgDirSelect              Retrieves a selection from a directory list box
 DlgDirSelectEx            Retrieves a selection from a directory list box
 DlgDirSelectComboBox      Retrieves a selection from a directory list box
 DlgDirSelectComboBoxEx    Retrieves a selection from a directory list box
 EndDialog                 Hides a modal dialog box
 GetDialogBaseUnits        Returns dialog base units
 GetDlgCtrlID              Returns the handle of a child window
 GetDlgItem                Retrieves the handle of a dialog box control
 GetDlgItemInt             Translates control text into an integer
 GetDlgItemText            Retrieves control text or title
 GetNextDlgGroupItem       Returns handle of previous or next group control
 GetNextDlgTabItem         Returns the next or previous WS_TABSTOP control
 IsDialogMessage           Determines if message is for modeless dialog box
 IsDlgButtonChecked        Determines the state of a button
 MapDialogRect             Maps dialog box units to pixels
 SendDlgItemMessage        Sends a message to a dialog box control
 SetDlgItemInt             Converts an integer to a dialog box string
 SetDlgItemText            Sets title or text of a control