Dialog Box Controls and Variable Types

You can use the Add Member Variable Wizard to add a member variable to a dialog box control created using MFC. The type of control for which you add the member variable determines the options that appear in the dialog box.

The following table describes all dialog box control types supported in MFC and the Dialog Editor, and their available types and values.

Control	Control type	Control variable type	Value variable type	Min/max values (value type only)
Animation control	SysAnimate32	CAnimateCtrl	None; control only	N/A
Button	BUTTON	CButton	None; control only	N/A
Check box	CHECK	CButton	BOOL	Min value/Max value
Combo box	COMBOBOX	CComboBox	CString	Max characters
Date time picker control	SysDateTimePick32	CDateTimeCtrl	CTime	Min value/max value
Edit box	EDIT	CEdit	CString, int, UINT, long, DWORD, float, double, BYTE, short, BOOL, COleDateTime, or COleCurrency	Min value/max value; some support max characters
Hotkey control	msctls_hotkey32	CHotKeyCtrl	None; control only	N/A
List box	LISTBOX	CListBox	CString	Max characters
List control	SysListView32	CListCtrl	None; control only	N/A
Month Calendar control	SysMonthCal32	CMonthCalCtrl	CTime	Min value/max value
Progress control	msctls_progress32	CProgressCtrl	None; control only	N/A
Rich Edit 2 control	RichEdit20A	CRichEditCtrl	CString	Max characters
Rich Edit control	RICHEDIT	CRichEditCtrl	CString	Max characters
Scroll bar (vertical or horizontal	SCROLLBAR	CScrollBar	int	Min value/max value
Slider control	msctls_trackbar32	CSliderCtrl	int	Min value/max value
Spin control	msctls_updown32	CSpinButtonCtrl	None; control only	N/A
Tab control	SysTabControl32	CTabCtrl	None; control only	N/A
Tree control	SysTreeView32	CTreeCtrl	None; control only	N/A

See Also

Tasks

Adding a Member Variable (Visual C++)