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GetNextDlgGroupItem info  Overview  Group

The GetNextDlgGroupItem function retrieves the handle of the first control in a group of controls that precedes (or follows) the specified control in a dialog box.

HWND GetNextDlgGroupItem(

    HWND hDlg,

// handle of dialog box

    HWND hCtl,

// handle of control

    BOOL bPrevious 

// direction flag

   );

Parameters

hDlg
Identifies the dialog box being searched.
hCtl
Identifies the control to be used as the starting point for the search. If this parameter is NULL, the function uses the last (or first) control in the dialog box as the starting point for the search.
bPrevious
Specifies how the function is to search the group of controls in the dialog box. If this parameter is TRUE, the function searches for the previous control in the group. If it is FALSE, the function searches for the next control in the group.

Return Values

If GetNextDlgGroupItem succeeds, the return value is the handle of the previous (or next) control in the group of controls.

If the function fails, the return value is NULL. To get extended error information, call GetLastError.

Remarks

The GetNextDlgGroupItem function searches controls in the order (or reverse order) they were created in the dialog box template. The first control in the group must have the WS_GROUP style; all other controls in the group must have been consecutively created and must not have the WS_GROUP style.

When searching for the previous control, the function returns the first control it locates that is visible and not disabled. If the control given by hCtl has the WS_GROUP style, the function temporarily reverses the search to locate the first control having the WS_GROUP style, then resumes the search in the original direction, returning the first control it locates that is visible and not disabled, or returning hwndCtrl if no such control is found.

When searching for the next control, the function returns the first control it locates that is visible, not disabled, and does not have the WS_GROUP style. If it encounters a control having the WS_GROUP style, the function reverses the search, locates the first control having the WS_GROUP style, and returns this control if it is visible and not disabled. Otherwise, the function resumes the search in the original direction and returns the first control it locates that is visible and not disabled, or returns hCtl if no such control is found.

See Also

GetNextDlgTabItem 


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