DlgDirSelectComboBoxEx - Win32 Programmer's Reference

Win32 Programmer's Reference

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Windows NT
Yes
Win95
Yes
Win32s
Yes
Import Library
user32.lib
Header File
winuser.h
Unicode
WinNT
Platform Notes
None

DlgDirSelectComboBoxEx

The DlgDirSelectComboBoxEx function retrieves the current selection from a combo box filled by using the DlgDirListComboBox function. The selection is interpreted as a drive letter, a file, or a directory name.

BOOL DlgDirSelectComboBoxEx(

HWND hDlg,	// handle to dialog box with list box
LPTSTR lpString,	// pointer to buffer for path string
int nCount,	// number of characters in path string
int nIDComboBox	// identifier of combo box
);

Parameters
hDlg

Identifies the dialog box that contains the combo box.

lpString

Points to the buffer that is to receive the selected path.

nCount

Specifies the length, in characters, of the buffer pointed to by the lpString parameter.

nIDComboBox

Specifies the integer identifier of the combo box control in the dialog box.

Return Values
If the current selection is a directory name, the return value is nonzero.

If the current selection is not a directory name, the return value is zero. To get extended error information, call GetLastError.

Remarks
If the current selection specifies a directory name or drive letter, the DlgDirSelectComboBoxEx function removes the enclosing square brackets (and hyphens for drive letters) so the name or letter is ready to be inserted into a new path or filename. If there is no selection, the contents of the buffer pointed to by lpString do not change.

The DlgDirSelectComboBox function does not allow more than one filename to be returned from a combo box.

DlgDirSelectComboBoxEx sends CB_GETCURSEL and CB_GETLBTEXT messages to the combo box.

In the Win32 API, you can use this function with all three types of combo boxes (CBS_SIMPLE, CBS_DROPDOWN, and CBS_DROPDOWNLIST).

See Also
CB_GETCURSEL, CB_GETLBTEXT, DlgDirListComboBox, DlgDirSelectEx

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