List Box Messages (Compact 2013)

Article
04/19/2017

3/28/2014

The following table shows the list box messages, with a description of the purpose of each.

Programming element	Description
LB_ADDSTRING	This message is sent by an application to add a string to a list box.
LB_DELETESTRING	This message is sent by an application to delete a string in a list box.
LB_FINDSTRING	This message is sent by an application to find the first string in a list box that contains the specified prefix.
LB_FINDSTRINGEXACT	This message is sent by an application to find the first list box string that matches the string specified in the lpszFind parameter.
LB_GETANCHORINDEX	This message is sent by an application to retrieve the index of the anchor item.
LB_GETCARETINDEX	This message is sent by an application to determine the index of the item that has the focus rectangle in a multiple-selection list box.
LB_GETCOUNT	This message is sent by an application to retrieve the number of items in a list box.
LB_GETCURSEL	This message is sent by an application to retrieve the index of the currently selected item, if any, in a single-selection list box.
LB_GETHORIZONTALEXTENT	This message is sent by an application to retrieve from a list box the width, in pixels, by which the list box can be scrolled horizontally - the scrollable width - if the list box has a horizontal scroll bar.
LB_GETITEMDATA	This message is sent by an application to retrieve the application-defined 32-bit value associated with the specified list box item.
LB_GETITEMHEIGHT	This message is sent by an application to retrieve the height of items in a list box.
LB_GETITEMRECT	This message is sent by an application to retrieve the dimensions of the rectangle that bounds a list box item as it is currently displayed in the list box.
LB_GETLOCALE	This message is sent by an application to retrieve the current locale of the list box.
LB_GETSEL	This message is sent by an application to retrieve the selection state of an item.
LB_GETSELCOUNT	This message is sent by an application to retrieve the total number of selected items in a multiple-selection list box.
LB_GETSELITEMS	This message is sent by an application to fill a buffer with an array of integers that specify the item numbers of selected items in a multiple-selection list box.
LB_GETTEXT	This message is sent by an application to retrieve a string from a list box.
LB_GETTEXTLEN	This message is sent by an application to retrieve the length of a string in a list box.
LB_GETTOPINDEX	This message is sent by an application to retrieve the index of the first visible item in a list box.
LB_INITSTORAGE	This message allocates memory for storing list box items.
LB_INSERTSTRING	This message is sent by an application to insert a string into a list box.
LB_ITEMFROMPOINT	This message is sent by an application to retrieve the zero-based index of the item nearest the specified point in a list box.
LB_RESETCONTENT	This message is sent by an application to remove all items from a list box.
LB_SELECTSTRING	This message is sent by an application to search a list box for an item that begins with the characters in a specified string.
LB_SELITEMRANGE	This message is sent by an application to select one or more consecutive items in a multiple-selection list box.
LB_SELITEMRANGEEX	This message is sent by an application to select one or more consecutive items in a multiple-selection list box.
LB_SETANCHORINDEX	This message is sent by an application to set the position of the anchor item.
LB_SETCARETINDEX	This message is sent by an application to set the focus rectangle to the item at the specified index in a multiple-selection list box.
LB_SETCOLUMNWIDTH	This message is sent by an application to a multiple-column list box - created with the LBS_MULTICOLUMN style - to set the width, in pixels, of all columns in the list box.
LB_SETCURSEL	This message is sent by an application to select a string and scroll it into view, if necessary.
LB_SETHORIZONTALEXTENT	This message is sent by an application to set the width, in pixels, by which a list box can be scrolled horizontally (the scrollable width).
LB_SETITEMDATA	This message is sent by an application to set a 32-bit value associated with the specified item in a list box.
LB_SETITEMHEIGHT	This message is sent by an application to set the height, in pixels, of items in a list box.
LB_SETLOCALE	This message is sent by an application to set the current locale of the list box.
LB_SETSEL	This message is sent by an application to select a string in a multiple-selection list box.
LB_SETTABSTOPS	This message is sent by an application to set the tab-stop positions in a list box.
LB_SETTOPINDEX	This message is sent by an application to ensure that a particular item in a list box is visible.
LBN_DBLCLK	This message is sent by an application when the user double-clicks a string in a list box.
LBN_ERRSPACE	This message is sent by an application when a list box cannot allocate enough memory to meet a specific request.
LBN_KILLFOCUS	This message is sent by an application when a list box loses the keyboard focus.
LBN_SELCANCEL	This message is sent by an application when the user cancels the selection in a list box.
LBN_SELCHANGE	This message is sent by an application when the selection in a list box is about to change.
LBN_SETFOCUS	This message is sent by an application when a list box receives the keyboard focus.
WM_CTLCOLORLISTBOX	This message is sent to the parent window of a list box before Windows draws the list box.
WM_DELETEITEM	This message is sent to the owner of a list box or combo box when the list box or combo box is destroyed or when items are removed by the LB_DELETESTRING, LB_RESETCONTENT, CB_DELETESTRING, or CB_RESETCONTENT message.

List Box Messages (Compact 2013)

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