◄CComboBox►                                   ◄Up► ◄Contents► ◄Index► ◄Back►
──Microsoft Foundation Classes──────────────────────────────────────────────
 
  BOOL Create( DWORD dwStyle, const RECT& rect, CWnd* pParentWnd,
               UINT nID );
 
  Parameter    Description
 
  <dwStyle>    Specifies the ◄style► of the combo box.
 
  <rect>       Points to the position and size of the combo box. Can be a
               RECT structure or a CRect object.
 
  <pParentWnd> Specifies the combo box's parent window (usually a CDialog
               or CModalDialog). It must not be NULL.
 
  <nID>        Specifies the combo box's resource ID.
 
  Remarks
 
  You construct a CComboBox object in two steps. First call the
  constructor, then call Create, which creates the Windows combo box and
  attaches it to the CComboBox object.
 
  When Create executes, Windows sends the ◄WM_NCCREATE►, ◄WM_CREATE►,
  ◄WM_NCCALCSIZE►, and ◄WM_GETMINMAXINFO► messages to the combo box.
 
  These messages are handled by default by the ◄OnNcCreate►, ◄OnCreate►,
  ◄OnNcCalcSize►, and ◄OnGetMinMaxInfo► member functions in the CWnd base
  class. To extend the default message handling, derive a class from
  CComboBox, add a message map to the new class, and override the
  preceding message-handler member functions. Override OnCreate, for
  example, to perform needed initialization for a new class.
 
  To handle Windows notification messages sent from a CComboBox object to
  its parent, add any of the following message-map entries that you want
  processed to the parent-class message map:
 
  ON_COMMAND
  ON_CBN_KILLFOCUS
  ON_CBN_SETFOCUS
  ON_CBN_DROPDOWN
  ON_CBN_DBLCLK
  ON_CBN_ERRSPACE
  ON_CBN_SELCHANGE
  ON_CBN_EDITCHANGE
  ON_CBN_EDITUPDATE
 
  Apply the following ◄window styles► to a combo-box control:
 
  Style        Application
 
  WS_CHILD     Always.
 
  WS_VISIBLE   Usually.
 
  WS_DIABLED   Rarely.
 
  WS_VSCROLL   For list boxes and combo boxes.
 
  WS_HSCROLL   For list boxes and combo boxes.
 
  WS_GROUP     To group controls.
 
  WS_TABSTOP   To include the combo box in the tabbing order.
 
  Apply any combination of ◄combo-box styles► to the combo box.
 
  Return Value
 
  Returns TRUE if successful; otherwise FALSE.
 
  See Also
 
  ◄CComboBox::CComboBox►
 
 
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