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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>Windows Interface Reference: Combobox structure</title>
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<h1>Combobox</h1>
<p>The Combobox structure contains the styles and options used in messages sent to a
combobox. A combobox is a combination of a list box together with an edit control.
Most control of a combobox is by means of messages. Specialised combobox
messages begin with <a href="Message.html#Combobox">CB_</a>. The values from the
Notification substructure are sent as the <em>code</em> parameter in a <a
href="Message.html#WM_NOTIFY">WM_NOTIFY</a> message. </p>
<pre>structure Combobox:
sig
structure Style:
sig
include BIT_FLAGS where type flags = Window.Style.flags
val WS_OVERLAPPED: flags and WS_POPUP: flags and WS_CHILD: flags and WS_MINIMIZE: flags
and WS_VISIBLE: flags and WS_DISABLED:flags and WS_CLIPSIBLINGS:flags
and WS_CLIPCHILDREN:flags and WS_MAXIMIZE:flags and WS_CAPTION:flags
and WS_BORDER:flags and WS_DLGFRAME:flags and WS_VSCROLL:flags and WS_HSCROLL:flags
and WS_SYSMENU:flags and WS_THICKFRAME:flags and WS_GROUP:flags and WS_TABSTOP:flags
and WS_MINIMIZEBOX:flags and WS_MAXIMIZEBOX:flags and WS_TILED:flags and WS_ICONIC:flags
and WS_SIZEBOX:flags and WS_OVERLAPPEDWINDOW:flags and WS_TILEDWINDOW:flags
and WS_POPUPWINDOW: flags and WS_CHILDWINDOW: flags
and CBS_SIMPLE: flags and CBS_DROPDOWN: flags and CBS_DROPDOWNLIST: flags
and CBS_OWNERDRAWFIXED: flags and CBS_OWNERDRAWVARIABLE: flags and CBS_AUTOHSCROLL: flags
and CBS_OEMCONVERT: flags and CBS_SORT: flags and CBS_HASSTRINGS: flags
and CBS_NOINTEGRALHEIGHT: flags and CBS_DISABLENOSCROLL: flags
and CBS_UPPERCASE: flags and CBS_LOWERCASE: flags
end
structure Notifications:
sig
val CBN_SELCHANGE: int
val CBN_DBLCLK: int
val CBN_SETFOCUS: int
val CBN_KILLFOCUS: int
val CBN_EDITCHANGE: int
val CBN_EDITUPDATE: int
val CBN_DROPDOWN: int
val CBN_CLOSEUP: int
val CBN_SELENDOK: int
val CBN_SELENDCANCEL: int
end
datatype CBDirAttr =
DDL_READWRITE | DDL_READONLY | DDL_HIDDEN | DDL_SYSTEM | DDL_DIRECTORY |
DDL_ARCHIVE | DDL_POSTMSGS | DDL_DRIVES | DDL_EXCLUSIVE
end</pre>
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