The following table lists all the messages handled by the predefined list-box window-class procedure.
旼컴컴컴컴컴컴컴컴컴컴컴컴쩡컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿘essage 쿏escription � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿗M_DELETEALL 쿏eletes all items in the list. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿗M_DELETEITEM 쿝emoves the specified item from the� � 쿹ist, redrawing the list as � � 쿻ecessary. Returns the number of � � 쿶tems remaining in the list. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿗M_INSERTITEM 쿔nserts a new item into the list � � 쿪ccording to the position � � 쿶nformation passed with the � � 쿺essage. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿗M_INSERTMULTITEMS 쿔nserts one or more items into a � � 쿹ist box at one time. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿗M_QUERYITEMCOUNT 쿝eturns the number of items in the � � 쿹ist. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿗M_QUERYITEMHANDLE 쿝eturns the specified item handle. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿗M_QUERYITEMTEXT 쿎opies the text of the specified � � 쿶tem to a buffer supplied by the � � 쿺essage sender. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿗M_QUERYITEMTEXTLENGTH 쿝eturns the text length of the � � 퀂pecified item. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿗M_QUERYSELECTION 쿑or a single-selection list box, � � 퀁eturns the zero-based index of the� � 쿬urrently selected item. For a � � 쿺ultiple-selection list box, � � 퀁eturns the next selected item or � � 쿗IT_NONE if no more items are � � 퀂elected. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿗M_QUERYTOPINDEX 쿝eturns the zero-based index to the� � 쿶tem currently visible at the top � � 쿽f the list. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿗M_SEARCHSTRING 쿞earches the list for a match to � � 퀃he specified string. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿗M_SELECTITEM 쿞elects the specified item. If the� � 쿹ist is a single-selection list, � � 쿭eselects the previous selection. � � 쿞ends a WM_CONTROL message (with � � 퀃he LN_SELECT code) to the owner � � 퀇indow. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿗M_SETITEMHANDLE 쿞ets the specified item handle. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿗M_SETITEMHEIGHT 쿞ets the item height for the list. � � 쿌ll items in the list have the same� � 쿴eight. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿗M_SETITEMTEXT 쿞ets the text for the specified � � 쿶tem. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿗M_SETITEMWIDTH 쿞ets the maximum width of a list � � 쿫ox created with the LS_HORZSCROLL � � 퀂tyle. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿗M_SETTOPINDEX 쿞hows the specified item as the top� � 쿶tem in the list window, scrolling � � 퀃he list as necessary. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿥M_ADJUSTWINDOWPOS 쿔f the list box has the style � � 쿗S_NOADJUSTPOS, makes no changes to� � 퀃he SWP structure and returns � � 쿑ALSE. Otherwise, adjusts the � � 쿴eight of the list box so that a � � 쿾artial item is not shown at the � � 쿫ottom of the list. Returns TRUE � � 쿶f the SWP structure is changed. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿥M_BUTTON2DOWN 쿝eturns TRUE; the message is � � 쿶gnored. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿥M_BUTTON3DOWN 쿝eturns TRUE; the message is � � 쿶gnored. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿥M_CHAR 쿛rocesses virtual keys for line and� � 쿾age scrolling. Sends an LN_ENTER � � 쿻otification code for the Enter � � 쿸ey. Returns TRUE if the key is � � 쿾rocessed; otherwise, passes the � � 쿺essage to the WinDefWindowProc � � 쿯unction. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿥M_CREATE 쿎reates an empty list box with a � � 퀂croll bar. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿥M_DESTROY 쿏estroys the list and deallocates � � 쿪ny memory allocated during its � � 쿮xistence. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿥M_ENABLE 쿐nables the scroll bar if there are� � 쿺ore items than can be displayed in� � 쿪 list-box window. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿥M_MOUSEMOVE 쿞ets the mouse pointer to the arrow� � 퀂hape and returns TRUE to show that� � 퀃he message was processed. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿥M_PAINT 쿏raws the list box and its items. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿥M_HSCROLL 쿓andles scrolling indicated by the � � 쿹ist-box horizontal scroll bar. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿥M_VSCROLL 쿓andles scrolling indicated by the � � 쿹ist-box vertical scroll bar. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿥M_SETFOCUS 쿔f the list box is gaining the � � 쿯ocus, creates a cursor and sends � � 쿪n LN_SETFOCUS notification code to� � 퀃he owner window. If the list box � � 쿶s losing the focus, this message � � 쿭estroys the cursor and sends an � � 쿗N_KILLFOCUS notification code to � � 퀃he owner window. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿥M_TIMER 쿢ses timers to control automatic � � 퀂crolling that occurs when a user � � 쿭rags the mouse pointer outside the� � 퀇indow. � 읕컴컴컴컴컴컴컴컴컴컴컴컴좔컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴�