REFERENCE GUIDE

CommentsThe WM_DEADCHAR message typically is used by applications to givethe user feedback about each key pressed. For example, an application candisplay the accent in the current character position without moving thecaret.Since there is not necessarily a one-to-one correspondence between keyspressed and character messages generated, the information in the highorderword of the IParam parameter is generally not useful to applications.The information in the high-order word applies only to the most recentWM_KEYUP or WM_KEYDOWN message that precedes the posting ofthe character message.For IBM Enhanced 101- and 102-key keyboards, enhanced keys are theright ALT and the right CONTROL keys on the main section of the keyboard;the INSERT, DELETE, HOME, END, PAGE UP, PAGE DOWN and DIRECTION keysin the clusters to the left of the numeric key pad; and the divide U) andENTER keys in the numeric key pad. Some other keyboards may supportthe extended-key bit in the IParam parameter.WM DELETEITEM 3.0This message informs the owner of an owner-draw list box or combo boxthat a list-box item has been removed. This message is sent when the listbox or combo box is destroyed or the item is removed by theLB _DELETESTRING, LB _RESETCONTENT, CB _DELETESTRING orCB_RESETCONTENT message.Parameters wParam Not used.IParamContains a long pointer to a DELETEITEMSTRUCT datastructure that contains information about the deleted list-boxitem.This message informs the window that it is being destroyed. TheDestroyWindow function sends the WM_DESTROY message to thewindow after removing the window from the screen. The WM_DESTROYmessage is sent to a parent window before any of its child windows aredestroyed.Parameters wParam Is not used.648Software development kit