RAD Studio VCL Reference
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Messages Namespace

This is namespace Messages.

Name 
Description 
The following table lists structs, records, enums in this documentation. 
The following table lists types in this documentation. 
The following table lists constants in this documentation. 
Name 
Description 
This is constant Messages.BM_CLICK. 
This is constant Messages.BM_GETCHECK. 
This is constant Messages.BM_GETIMAGE. 
This is constant Messages.BM_GETSTATE. 
This is constant Messages.BM_SETCHECK. 
This is constant Messages.BM_SETIMAGE. 
This is constant Messages.BM_SETSTATE. 
This is constant Messages.BM_SETSTYLE. 
This is constant Messages.BN_CLICKED. 
This is constant Messages.BN_DBLCLK. 
This is constant Messages.BN_DISABLE. 
This is constant Messages.BN_DOUBLECLICKED. 
This is constant Messages.BN_HILITE. 
This is constant Messages.BN_KILLFOCUS. 
This is constant Messages.BN_PAINT. 
This is constant Messages.BN_PUSHED. 
This is constant Messages.BN_SETFOCUS. 
This is constant Messages.BN_UNHILITE. 
This is constant Messages.BN_UNPUSHED. 
This is constant Messages.CB_ADDSTRING. 
This is constant Messages.CB_DELETESTRING. 
This is constant Messages.CB_DIR. 
This is constant Messages.CB_FINDSTRING. 
This is constant Messages.CB_FINDSTRINGEXACT. 
This is constant Messages.CB_GETCOUNT. 
This is constant Messages.CB_GETCURSEL. 
This is constant Messages.CB_GETDROPPEDCONTROLRECT. 
This is constant Messages.CB_GETDROPPEDSTATE. 
This is constant Messages.CB_GETDROPPEDWIDTH. 
This is constant Messages.CB_GETEDITSEL. 
This is constant Messages.CB_GETEXTENDEDUI. 
This is constant Messages.CB_GETHORIZONTALEXTENT. 
This is constant Messages.CB_GETITEMDATA. 
This is constant Messages.CB_GETITEMHEIGHT. 
This is constant Messages.CB_GETLBTEXT. 
This is constant Messages.CB_GETLBTEXTLEN. 
This is constant Messages.CB_GETLOCALE. 
This is constant Messages.CB_GETTOPINDEX. 
This is constant Messages.CB_INITSTORAGE. 
This is constant Messages.CB_INSERTSTRING. 
This is constant Messages.CB_LIMITTEXT. 
This is constant Messages.CB_MSGMAX. 
This is constant Messages.CB_RESETCONTENT. 
This is constant Messages.CB_SELECTSTRING. 
This is constant Messages.CB_SETCURSEL. 
This is constant Messages.CB_SETDROPPEDWIDTH. 
This is constant Messages.CB_SETEDITSEL. 
This is constant Messages.CB_SETEXTENDEDUI. 
This is constant Messages.CB_SETHORIZONTALEXTENT. 
This is constant Messages.CB_SETITEMDATA. 
This is constant Messages.CB_SETITEMHEIGHT. 
This is constant Messages.CB_SETLOCALE. 
This is constant Messages.CB_SETTOPINDEX. 
This is constant Messages.CB_SHOWDROPDOWN. 
This is constant Messages.CBN_CLOSEUP. 
This is constant Messages.CBN_DBLCLK. 
This is constant Messages.CBN_DROPDOWN. 
This is constant Messages.CBN_EDITCHANGE. 
This is constant Messages.CBN_EDITUPDATE. 
This is constant Messages.CBN_ERRSPACE. 
This is constant Messages.CBN_KILLFOCUS. 
This is constant Messages.CBN_SELCHANGE. 
This is constant Messages.CBN_SELENDCANCEL. 
This is constant Messages.CBN_SELENDOK. 
This is constant Messages.CBN_SETFOCUS. 
This is constant Messages.DM_GETDEFID. 
This is constant Messages.DM_REPOSITION. 
This is constant Messages.DM_SETDEFID. 
This is constant Messages.EM_CANUNDO. 
This is constant Messages.EM_CHARFROMPOS. 
This is constant Messages.EM_EMPTYUNDOBUFFER. 
This is constant Messages.EM_FMTLINES. 
This is constant Messages.EM_GETFIRSTVISIBLELINE. 
This is constant Messages.EM_GETHANDLE. 
This is constant Messages.EM_GETIMESTATUS. 
This is constant Messages.EM_GETLIMITTEXT. 
This is constant Messages.EM_GETLINE. 
This is constant Messages.EM_GETLINECOUNT. 
This is constant Messages.EM_GETMARGINS. 
This is constant Messages.EM_GETMODIFY. 
This is constant Messages.EM_GETPASSWORDCHAR. 
This is constant Messages.EM_GETRECT. 
This is constant Messages.EM_GETSEL. 
This is constant Messages.EM_GETTHUMB. 
This is constant Messages.EM_GETWORDBREAKPROC. 
This is constant Messages.EM_LIMITTEXT. 
This is constant Messages.EM_LINEFROMCHAR. 
This is constant Messages.EM_LINEINDEX. 
This is constant Messages.EM_LINELENGTH. 
This is constant Messages.EM_LINESCROLL. 
This is constant Messages.EM_POSFROMCHAR. 
This is constant Messages.EM_REPLACESEL. 
This is constant Messages.EM_SCROLL. 
This is constant Messages.EM_SCROLLCARET. 
This is constant Messages.EM_SETHANDLE. 
This is constant Messages.EM_SETIMESTATUS. 
This is constant Messages.EM_SETLIMITTEXT. 
This is constant Messages.EM_SETMARGINS. 
This is constant Messages.EM_SETMODIFY. 
This is constant Messages.EM_SETPASSWORDCHAR. 
This is constant Messages.EM_SETREADONLY. 
This is constant Messages.EM_SETRECT. 
This is constant Messages.EM_SETRECTNP. 
This is constant Messages.EM_SETSEL. 
This is constant Messages.EM_SETTABSTOPS. 
This is constant Messages.EM_SETWORDBREAKPROC. 
This is constant Messages.EM_UNDO. 
This is constant Messages.EN_CHANGE. 
This is constant Messages.EN_ERRSPACE. 
This is constant Messages.EN_HSCROLL. 
This is constant Messages.EN_KILLFOCUS. 
This is constant Messages.EN_MAXTEXT. 
This is constant Messages.EN_SETFOCUS. 
This is constant Messages.EN_UPDATE. 
This is constant Messages.EN_VSCROLL. 
This is constant Messages.LB_ADDFILE. 
This is constant Messages.LB_ADDSTRING. 
This is constant Messages.LB_DELETESTRING. 
This is constant Messages.LB_DIR. 
This is constant Messages.LB_FINDSTRING. 
This is constant Messages.LB_FINDSTRINGEXACT. 
This is constant Messages.LB_GETANCHORINDEX. 
This is constant Messages.LB_GETCARETINDEX. 
This is constant Messages.LB_GETCOUNT. 
This is constant Messages.LB_GETCURSEL. 
This is constant Messages.LB_GETHORIZONTALEXTENT. 
This is constant Messages.LB_GETITEMDATA. 
This is constant Messages.LB_GETITEMHEIGHT. 
This is constant Messages.LB_GETITEMRECT. 
This is constant Messages.LB_GETLOCALE. 
This is constant Messages.LB_GETSEL. 
This is constant Messages.LB_GETSELCOUNT. 
This is constant Messages.LB_GETSELITEMS. 
This is constant Messages.LB_GETTEXT. 
This is constant Messages.LB_GETTEXTLEN. 
This is constant Messages.LB_GETTOPINDEX. 
This is constant Messages.LB_INITSTORAGE. 
This is constant Messages.LB_INSERTSTRING. 
This is constant Messages.LB_ITEMFROMPOINT. 
This is constant Messages.LB_MSGMAX. 
This is constant Messages.LB_RESETCONTENT. 
This is constant Messages.LB_SELECTSTRING. 
This is constant Messages.LB_SELITEMRANGE. 
This is constant Messages.LB_SELITEMRANGEEX. 
This is constant Messages.LB_SETANCHORINDEX. 
This is constant Messages.LB_SETCARETINDEX. 
This is constant Messages.LB_SETCOLUMNWIDTH. 
This is constant Messages.LB_SETCOUNT. 
This is constant Messages.LB_SETCURSEL. 
This is constant Messages.LB_SETHORIZONTALEXTENT. 
This is constant Messages.LB_SETITEMDATA. 
This is constant Messages.LB_SETITEMHEIGHT. 
This is constant Messages.LB_SETLOCALE. 
This is constant Messages.LB_SETSEL. 
This is constant Messages.LB_SETTABSTOPS. 
This is constant Messages.LB_SETTOPINDEX. 
This is constant Messages.LBN_DBLCLK. 
This is constant Messages.LBN_ERRSPACE. 
This is constant Messages.LBN_KILLFOCUS. 
This is constant Messages.LBN_SELCANCEL. 
This is constant Messages.LBN_SELCHANGE. 
This is constant Messages.LBN_SETFOCUS. 
This is constant Messages.PSM_PAGEINFO. 
This is constant Messages.PSM_SHEETINFO. 
This is constant Messages.SBM_ENABLE_ARROWS. 
This is constant Messages.SBM_GETPOS. 
This is constant Messages.SBM_GETRANGE. 
This is constant Messages.SBM_GETSCROLLINFO. 
This is constant Messages.SBM_SETPOS. 
This is constant Messages.SBM_SETRANGE. 
This is constant Messages.SBM_SETRANGEREDRAW. 
This is constant Messages.SBM_SETSCROLLINFO. 
This is constant Messages.WM_ACTIVATE. 
This is constant Messages.WM_ACTIVATEAPP. 
This is constant Messages.WM_APP. 
This is constant Messages.WM_APPCOMMAND. 
This is constant Messages.WM_ASKCBFORMATNAME. 
This is constant Messages.WM_CANCELJOURNAL. 
This is constant Messages.WM_CANCELMODE. 
This is constant Messages.WM_CAPTURECHANGED. 
This is constant Messages.WM_CHANGECBCHAIN. 
This is constant Messages.WM_CHANGEUISTATE. 
This is constant Messages.WM_CHAR. 
This is constant Messages.WM_CHARTOITEM. 
This is constant Messages.WM_CHILDACTIVATE. 
This is constant Messages.WM_CLEAR. 
This is constant Messages.WM_CLOSE. 
This is constant Messages.WM_COALESCE_FIRST. 
This is constant Messages.WM_COALESCE_LAST. 
This is constant Messages.WM_COMMAND. 
This is constant Messages.WM_COMMNOTIFY. 
This is constant Messages.WM_COMPACTING. 
This is constant Messages.WM_COMPAREITEM. 
This is constant Messages.WM_CONTEXTMENU. 
This is constant Messages.WM_COPY. 
This is constant Messages.WM_COPYDATA. 
This is constant Messages.WM_CREATE. 
This is constant Messages.WM_CTLCOLOR. 
This is constant Messages.WM_CTLCOLORBTN. 
This is constant Messages.WM_CTLCOLORDLG. 
This is constant Messages.WM_CTLCOLOREDIT. 
This is constant Messages.WM_CTLCOLORLISTBOX. 
This is constant Messages.WM_CTLCOLORMSGBOX. 
This is constant Messages.WM_CTLCOLORSCROLLBAR. 
This is constant Messages.WM_CTLCOLORSTATIC. 
This is constant Messages.WM_CUT. 
This is constant Messages.WM_DDE_ACK. 
This is constant Messages.WM_DDE_ADVISE. 
This is constant Messages.WM_DDE_DATA. 
This is constant Messages.WM_DDE_EXECUTE. 
This is constant Messages.WM_DDE_FIRST. 
This is constant Messages.WM_DDE_INITIATE. 
This is constant Messages.WM_DDE_LAST. 
This is constant Messages.WM_DDE_POKE. 
This is constant Messages.WM_DDE_REQUEST. 
This is constant Messages.WM_DDE_TERMINATE. 
This is constant Messages.WM_DDE_UNADVISE. 
This is constant Messages.WM_DEADCHAR. 
This is constant Messages.WM_DELETEITEM. 
This is constant Messages.WM_DESTROY. 
This is constant Messages.WM_DESTROYCLIPBOARD. 
This is constant Messages.WM_DEVICECHANGE. 
This is constant Messages.WM_DEVMODECHANGE. 
This is constant Messages.WM_DISPLAYCHANGE. 
This is constant Messages.WM_DRAWCLIPBOARD. 
This is constant Messages.WM_DRAWITEM. 
This is constant Messages.WM_DROPFILES. 
This is constant Messages.WM_DWMCOLORIZATIONCOLORCHANGED. 
This is constant Messages.WM_DWMCOMPOSITIONCHANGED. 
This is constant Messages.WM_DWMNCRENDERINGCHANGED. 
This is constant Messages.WM_DWMWINDOWMAXIMIZEDCHANGE. 
This is constant Messages.WM_ENABLE. 
This is constant Messages.WM_ENDSESSION. 
This is constant Messages.WM_ENTERIDLE. 
This is constant Messages.WM_ENTERMENULOOP. 
This is constant Messages.WM_ENTERSIZEMOVE. 
This is constant Messages.WM_ERASEBKGND. 
This is constant Messages.WM_EXITMENULOOP. 
This is constant Messages.WM_EXITSIZEMOVE. 
This is constant Messages.WM_FONTCHANGE. 
This is constant Messages.WM_GETDLGCODE. 
This is constant Messages.WM_GETFONT. 
This is constant Messages.WM_GETHOTKEY. 
This is constant Messages.WM_GETICON. 
This is constant Messages.WM_GETMINMAXINFO. 
This is constant Messages.WM_GETOBJECT. 
This is constant Messages.WM_GETTEXT. 
This is constant Messages.WM_GETTEXTLENGTH. 
This is constant Messages.WM_HANDHELDFIRST. 
This is constant Messages.WM_HANDHELDLAST. 
This is constant Messages.WM_HELP. 
This is constant Messages.WM_HOTKEY. 
This is constant Messages.WM_HSCROLL. 
This is constant Messages.WM_HSCROLLCLIPBOARD. 
This is constant Messages.WM_ICONERASEBKGND. 
This is constant Messages.WM_IME_CHAR. 
This is constant Messages.WM_IME_COMPOSITION. 
This is constant Messages.WM_IME_COMPOSITIONFULL. 
This is constant Messages.WM_IME_CONTROL. 
This is constant Messages.WM_IME_ENDCOMPOSITION. 
This is constant Messages.WM_IME_KEYDOWN. 
This is constant Messages.WM_IME_KEYLAST. 
This is constant Messages.WM_IME_KEYUP. 
This is constant Messages.WM_IME_NOTIFY. 
This is constant Messages.WM_IME_REQUEST. 
This is constant Messages.WM_IME_SELECT. 
This is constant Messages.WM_IME_SETCONTEXT. 
This is constant Messages.WM_IME_STARTCOMPOSITION. 
This is constant Messages.WM_INITDIALOG. 
This is constant Messages.WM_INITMENU. 
This is constant Messages.WM_INITMENUPOPUP. 
This is constant Messages.WM_INPUT. 
This is constant Messages.WM_INPUTLANGCHANGE. 
This is constant Messages.WM_INPUTLANGCHANGEREQUEST. 
This is constant Messages.WM_KEYDOWN. 
This is constant Messages.WM_KEYFIRST. 
This is constant Messages.WM_KEYLAST. 
This is constant Messages.WM_KEYUP. 
This is constant Messages.WM_KILLFOCUS. 
This is constant Messages.WM_LBUTTONDBLCLK. 
This is constant Messages.WM_LBUTTONDOWN. 
This is constant Messages.WM_LBUTTONUP. 
This is constant Messages.WM_MBUTTONDBLCLK. 
This is constant Messages.WM_MBUTTONDOWN. 
This is constant Messages.WM_MBUTTONUP. 
This is constant Messages.WM_MDIACTIVATE. 
This is constant Messages.WM_MDICASCADE. 
This is constant Messages.WM_MDICREATE. 
This is constant Messages.WM_MDIDESTROY. 
This is constant Messages.WM_MDIGETACTIVE. 
This is constant Messages.WM_MDIICONARRANGE. 
This is constant Messages.WM_MDIMAXIMIZE. 
This is constant Messages.WM_MDINEXT. 
This is constant Messages.WM_MDIREFRESHMENU. 
This is constant Messages.WM_MDIRESTORE. 
This is constant Messages.WM_MDISETMENU. 
This is constant Messages.WM_MDITILE. 
This is constant Messages.WM_MEASUREITEM. 
This is constant Messages.WM_MENUCHAR. 
This is constant Messages.WM_MENUCOMMAND. 
This is constant Messages.WM_MENUDRAG. 
This is constant Messages.WM_MENUGETOBJECT. 
This is constant Messages.WM_MENURBUTTONUP. 
This is constant Messages.WM_MENUSELECT. 
This is constant Messages.WM_MOUSEACTIVATE. 
This is constant Messages.WM_MOUSEFIRST. 
This is constant Messages.WM_MOUSEHOVER. 
This is constant Messages.WM_MOUSELAST. 
This is constant Messages.WM_MOUSELEAVE. 
This is constant Messages.WM_MOUSEMOVE. 
This is constant Messages.WM_MOUSEWHEEL. 
This is constant Messages.WM_MOVE. 
This is constant Messages.WM_MOVING. 
This is constant Messages.WM_NCACTIVATE. 
This is constant Messages.WM_NCCALCSIZE. 
This is constant Messages.WM_NCCREATE. 
This is constant Messages.WM_NCDESTROY. 
This is constant Messages.WM_NCHITTEST. 
This is constant Messages.WM_NCLBUTTONDBLCLK. 
This is constant Messages.WM_NCLBUTTONDOWN. 
This is constant Messages.WM_NCLBUTTONUP. 
This is constant Messages.WM_NCMBUTTONDBLCLK. 
This is constant Messages.WM_NCMBUTTONDOWN. 
This is constant Messages.WM_NCMBUTTONUP. 
This is constant Messages.WM_NCMOUSEHOVER. 
This is constant Messages.WM_NCMOUSELEAVE. 
This is constant Messages.WM_NCMOUSEMOVE. 
This is constant Messages.WM_NCPAINT. 
This is constant Messages.WM_NCRBUTTONDBLCLK. 
This is constant Messages.WM_NCRBUTTONDOWN. 
This is constant Messages.WM_NCRBUTTONUP. 
This is constant Messages.WM_NCXBUTTONDBLCLK. 
This is constant Messages.WM_NCXBUTTONDOWN. 
This is constant Messages.WM_NCXBUTTONUP. 
This is constant Messages.WM_NEXTDLGCTL. 
This is constant Messages.WM_NEXTMENU. 
This is constant Messages.WM_NOTIFY. 
This is constant Messages.WM_NOTIFYFORMAT. 
This is constant Messages.WM_NULL. 
This is constant Messages.WM_PAINT. 
This is constant Messages.WM_PAINTCLIPBOARD. 
This is constant Messages.WM_PAINTICON. 
This is constant Messages.WM_PALETTECHANGED. 
This is constant Messages.WM_PALETTEISCHANGING. 
This is constant Messages.WM_PARENTNOTIFY. 
This is constant Messages.WM_PASTE. 
This is constant Messages.WM_PENWINFIRST. 
This is constant Messages.WM_PENWINLAST. 
This is constant Messages.WM_POWER. 
This is constant Messages.WM_POWERBROADCAST. 
This is constant Messages.WM_PRINT. 
This is constant Messages.WM_PRINTCLIENT. 
This is constant Messages.WM_QUERYDRAGICON. 
This is constant Messages.WM_QUERYENDSESSION. 
This is constant Messages.WM_QUERYNEWPALETTE. 
This is constant Messages.WM_QUERYOPEN. 
This is constant Messages.WM_QUERYUISTATE. 
This is constant Messages.WM_QUEUESYNC. 
This is constant Messages.WM_QUIT. 
This is constant Messages.WM_RBUTTONDBLCLK. 
This is constant Messages.WM_RBUTTONDOWN. 
This is constant Messages.WM_RBUTTONUP. 
This is constant Messages.WM_RENDERALLFORMATS. 
This is constant Messages.WM_RENDERFORMAT. 
This is constant Messages.WM_SETCURSOR. 
This is constant Messages.WM_SETFOCUS. 
This is constant Messages.WM_SETFONT. 
This is constant Messages.WM_SETHOTKEY. 
This is constant Messages.WM_SETICON. 
This is constant Messages.WM_SETREDRAW. 
This is constant Messages.WM_SETTEXT. 
This is constant Messages.WM_SETTINGCHANGE. 
This is constant Messages.WM_SHOWWINDOW. 
This is constant Messages.WM_SIZE. 
This is constant Messages.WM_SIZECLIPBOARD. 
This is constant Messages.WM_SIZING. 
This is constant Messages.WM_SPOOLERSTATUS. 
This is constant Messages.WM_STYLECHANGED. 
This is constant Messages.WM_STYLECHANGING. 
This is constant Messages.WM_SYSCHAR. 
This is constant Messages.WM_SYSCOLORCHANGE. 
This is constant Messages.WM_SYSCOMMAND. 
This is constant Messages.WM_SYSDEADCHAR. 
This is constant Messages.WM_SYSKEYDOWN. 
This is constant Messages.WM_SYSKEYUP. 
This is constant Messages.WM_SYSTEMERROR. 
This is constant Messages.WM_TABLET_FIRST. 
This is constant Messages.WM_TABLET_LAST. 
This is constant Messages.WM_TCARD. 
This is constant Messages.WM_THEMECHANGED. 
This is constant Messages.WM_TIMECHANGE. 
This is constant Messages.WM_TIMER. 
This is constant Messages.WM_UNDO. 
This is constant Messages.WM_UNICHAR. 
This is constant Messages.WM_UNINITMENUPOPUP. 
This is constant Messages.WM_UPDATEUISTATE. 
This is constant Messages.WM_USER. 
This is constant Messages.WM_USERCHANGED. 
This is constant Messages.WM_VKEYTOITEM. 
This is constant Messages.WM_VSCROLL. 
This is constant Messages.WM_VSCROLLCLIPBOARD. 
This is constant Messages.WM_WINDOWPOSCHANGED. 
This is constant Messages.WM_WINDOWPOSCHANGING. 
This is constant Messages.WM_WININICHANGE. 
This is constant Messages.WM_WTSSESSION_CHANGE. 
 
Name 
Description 
 
TMessage represents a Windows message. 
 
This is record Messages.TMSHMouseWheel. 
 
This is record Messages.TWMActivate. 
 
This is record Messages.TWMActivateApp. 
 
This is record Messages.TWMAskCBFormatName. 
 
This is record Messages.TWMChangeCBChain. 
 
This is record Messages.TWMCharToItem. 
 
This is record Messages.TWMChooseFont_GetLogFont. 
 
This is record Messages.TWMCommand. 
 
This is record Messages.TWMCompacting. 
 
This is record Messages.TWMCompareItem. 
 
This is record Messages.TWMContextMenu. 
 
This is record Messages.TWMCopyData. 
 
This is record Messages.TWMCreate. 
 
This is record Messages.TWMCtlColor. 
 
This is record Messages.TWMDDE_Ack. 
 
This is record Messages.TWMDDE_Advise. 
 
This is record Messages.TWMDDE_Data. 
 
This is record Messages.TWMDDE_Execute. 
 
This is record Messages.TWMDDE_Initiate. 
 
This is record Messages.TWMDDE_Poke. 
 
This is record Messages.TWMDDE_Request. 
 
This is record Messages.TWMDDE_Terminate. 
 
This is record Messages.TWMDDE_Unadvise. 
 
This is record Messages.TWMDeleteItem. 
 
This is record Messages.TWMDevModeChange. 
 
This is record Messages.TWMDisplayChange. 
 
This is record Messages.TWMDrawItem. 
 
This is record Messages.TWMDropFiles. 
 
This is record Messages.TWMEnable. 
 
This is record Messages.TWMEndSession. 
 
This is record Messages.TWMEnterIdle. 
 
This is record Messages.TWMEnterMenuLoop. 
 
This is record Messages.TWMEraseBkgnd. 
 
This is record Messages.TWMGetIcon. 
 
This is record Messages.TWMGetMinMaxInfo. 
 
This is record Messages.TWMGetText. 
 
This is record Messages.TWMHelp. 
 
This is record Messages.TWMHotKey. 
 
This is record Messages.TWMHScrollClipboard. 
 
This is record Messages.TWMInitDialog. 
 
This is record Messages.TWMInitMenu. 
 
This is record Messages.TWMInitMenuPopup. 
 
This is record Messages.TWMKey. 
 
This is record Messages.TWMKillFocus. 
 
This is record Messages.TWMMDIActivate. 
 
This is record Messages.TWMMDICascade. 
 
This is record Messages.TWMMDICreate. 
 
This is record Messages.TWMMDIDestroy. 
 
This is record Messages.TWMMDIMaximize. 
 
This is record Messages.TWMMDINext. 
 
This is record Messages.TWMMDIRestore. 
 
This is record Messages.TWMMDISetMenu. 
 
This is record Messages.TWMMDITile. 
 
This is record Messages.TWMMeasureItem. 
 
This is record Messages.TWMMenuChar. 
 
This is record Messages.TWMMenuSelect. 
 
This is record Messages.TWMMouse. 
 
This is record Messages.TWMMouseActivate. 
 
This is record Messages.TWMMouseWheel. 
 
This is record Messages.TWMMove. 
 
This is record Messages.TWMMoving. 
 
This is record Messages.TWMNCActivate. 
 
This is record Messages.TWMNCCalcSize. 
 
This is record Messages.TWMNCCreate. 
 
This is record Messages.TWMNCHitMessage. 
 
This is record Messages.TWMNCHitTest. 
 
This is record Messages.TWMNCPaint. 
 
This is record Messages.TWMNextDlgCtl. 
 
This is record Messages.TWMNoParams. 
 
This is record Messages.TWMNotify. 
 
This is record Messages.TWMNotifyFormat. 
 
This is record Messages.TWMPaint. 
 
This is record Messages.TWMPaintClipboard. 
 
This is record Messages.TWMPaletteChanged. 
 
This is record Messages.TWMPaletteIsChanging. 
 
This is record Messages.TWMParentNotify. 
 
This is record Messages.TWMPower. 
 
This is record Messages.TWMPrint. 
 
This is record Messages.TWMQueryEndSession. 
 
This is record Messages.TWMQuit. 
 
This is record Messages.TWMRenderFormat. 
 
This is record Messages.TWMScroll. 
 
This is record Messages.TWMSetCursor. 
 
This is record Messages.TWMSetFocus. 
 
This is record Messages.TWMSetFont. 
 
This is record Messages.TWMSetHotKey. 
 
This is record Messages.TWMSetIcon. 
 
This is record Messages.TWMSetRedraw. 
 
This is record Messages.TWMSetText. 
 
This is record Messages.TWMSettingChange. 
 
This is record Messages.TWMShowWindow. 
 
This is record Messages.TWMSize. 
 
This is record Messages.TWMSizeClipboard. 
 
This is record Messages.TWMSpoolerStatus. 
 
This is record Messages.TWMStyleChange. 
 
This is record Messages.TWMSysCommand. 
 
This is record Messages.TWMSysDeadChar. 
 
This is record Messages.TWMSystemError. 
 
This is record Messages.TWMTimer. 
 
This is record Messages.TWMUIState. 
 
This is record Messages.TWMVScrollClipboard. 
 
This is record Messages.TWMWindowPosMsg. 
 
This is record Messages.TWMWinIniChange. 
Name 
Description 
This is type Messages.PMessage. 
This is type Messages.TWMCancelMode. 
This is type Messages.TWMChangeUIState. 
This is type Messages.TWMChar. 
This is type Messages.TWMChildActivate. 
This is type Messages.TWMClear. 
This is type Messages.TWMClose. 
This is type Messages.TWMCopy. 
This is type Messages.TWMCtlColorBtn. 
This is type Messages.TWMCtlColorDlg. 
This is type Messages.TWMCtlColorEdit. 
This is type Messages.TWMCtlColorListbox. 
This is type Messages.TWMCtlColorMsgbox. 
This is type Messages.TWMCtlColorScrollbar. 
This is type Messages.TWMCtlColorStatic. 
This is type Messages.TWMCut. 
This is type Messages.TWMDeadChar. 
This is type Messages.TWMDestroy. 
This is type Messages.TWMDestroyClipboard. 
This is type Messages.TWMDrawClipboard. 
This is type Messages.TWMExitMenuLoop. 
This is type Messages.TWMFontChange. 
This is type Messages.TWMGetDlgCode. 
This is type Messages.TWMGetFont. 
This is type Messages.TWMGetHotKey. 
This is type Messages.TWMGetTextLength. 
This is type Messages.TWMHScroll. 
This is type Messages.TWMIconEraseBkgnd. 
This is type Messages.TWMKeyDown. 
This is type Messages.TWMKeyUp. 
This is type Messages.TWMLButtonDblClk. 
TWMLButtonDown represents the Windows message that occurs when the user clicks the left mouse button. 
This is type Messages.TWMLButtonUp. 
This is type Messages.TWMMButtonDblClk. 
This is type Messages.TWMMButtonDown. 
This is type Messages.TWMMButtonUp. 
This is type Messages.TWMMDIGetActive. 
This is type Messages.TWMMDIIconArrange. 
This is type Messages.TWMMDIRefreshMenu. 
This is type Messages.TWMMouseMove. 
This is type Messages.TWMNCDestroy. 
This is type Messages.TWMNCLButtonDblClk. 
This is type Messages.TWMNCLButtonDown. 
This is type Messages.TWMNCLButtonUp. 
This is type Messages.TWMNCMButtonDblClk. 
This is type Messages.TWMNCMButtonDown. 
This is type Messages.TWMNCMButtonUp. 
This is type Messages.TWMNCMouseMove. 
This is type Messages.TWMNCRButtonDblClk. 
This is type Messages.TWMNCRButtonDown. 
This is type Messages.TWMNCRButtonUp. 
This is type Messages.TWMPaintIcon. 
This is type Messages.TWMPaste. 
This is type Messages.TWMPrintClient. 
This is type Messages.TWMQueryDragIcon. 
This is type Messages.TWMQueryNewPalette. 
This is type Messages.TWMQueryOpen. 
This is type Messages.TWMQueryUIState. 
This is type Messages.TWMQueueSync. 
This is type Messages.TWMRButtonDblClk. 
This is type Messages.TWMRButtonDown. 
This is type Messages.TWMRButtonUp. 
This is type Messages.TWMRenderAllFormats. 
This is type Messages.TWMStyleChanged. 
This is type Messages.TWMStyleChanging. 
This is type Messages.TWMSysChar. 
This is type Messages.TWMSysColorChange. 
This is type Messages.TWMSysKeyDown. 
This is type Messages.TWMSysKeyUp. 
This is type Messages.TWMTimeChange. 
This is type Messages.TWMUndo. 
This is type Messages.TWMUpdateUIState. 
This is type Messages.TWMVKeyToItem. 
This is type Messages.TWMVScroll. 
This is type Messages.TWMWindowPosChanged. 
This is type Messages.TWMWindowPosChanging. 
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