◄Message Groups► ◄Notification Messages► ◄Changes► ◄Up► ◄Next► ◄Previous► ──────────────────────────────────────────────────────────────────────────── BM_CLICK Simulates a button click BM_QUERYCHECK Retrieves the button check state BM_QUERYCHECKINDEX Retrieves the index of a checked radio button BM_QUERYHILITE Retrieves the highlighted state BM_SETCHECK Sets/removes the button check state BM_SETDEFAULT Sets/removes a button's default state BM_SETHILITE Sets/removes a button's highlighted state CBM_HILITE Sets drop-down button highlighting in combo box CBM_ISLISTSHOWING Determines whether a combo-box list is showing CBM_SHOWLIST Shows or hides the list box in a combination box EM_CLEAR Deletes a selection in an entry field EM_COPY Pastes a selection in an entry field EM_CUT Deletes a selection in an entry field EM_PASTE Pastes from the clipboard EM_QUERYCHANGED Checks whether entry-field contents have changed EM_QUERYFIRSTCHAR Retrieves offset of the first visible character EM_QUERYREADONLY Retrieves the read-only state of an entry-field EM_QUERYSEL Retrieves offsets of first and last characters EM_SETFIRSTCHAR Sets first character on left in an entry field EM_SETINSERTMODE Sets the insert mode of an entry field EM_SETREADONLY Sets the read-only state of an entry field EM_SETSEL Sets a selection range in an entry field EM_SETTEXTLIMIT Sets max. number of bytes in an entry field HM_ACTIONBAR_COMMAND Specifies a command from a help window HM_CREATE_HELP_TABLE Sets the help table HM_DISMISS_WINDOW Closes the help window HM_DISPLAY_HELP Displays a help panel HM_ERROR Returns an error from a help window HM_EXT_HELP Displays extended help HM_EXT_HELP_UNDEFINED Indicates undefined extended help HM_HELP_CONTENTS Displays the table of contents HM_HELP_INDEX Displays the index HM_HELPSUBITEM_NOT_FOUND Cannot find a help panel HM_INFORM Notifies when a hypertext field is chosen HM_KEYS_HELP Displays keys help HM_LOAD_HELP_TABLE Loads a help-table resource HM_QUERY_KEYS_HELP Retrieves the keys-help-panel ID HM_REPLACE_HELP_FOR_HELP Replaces general help information HM_SET_ACTIVE_WINDOW Sets the active window HM_SET_HELP_LIBRARY_NAME Sets the help-window library name HM_SET_HELP_WINDOW_TITLE Changes the help-window title HM_SET_SHOW_PANEL_ID Displays/hides help-panel IDs HM_TUTORIAL Invokes a user tutorial LM_DELETEALL Deletes all items in a list box LM_DELETEITEM Deletes the specified item from a list box LM_INSERTITEM Inserts item text in a list box LM_QUERYITEMCOUNT Retrieves the number of items in a list box LM_QUERYITEMHANDLE Retrieves the handle to a list-box item LM_QUERYITEMTEXT Copies text from a list-box item LM_QUERYITEMTEXTLENGTH Retrieves text length of a list-box item LM_QUERYSELECTION Retrieves index of a selected list-box item LM_QUERYTOPINDEX Retrieves index of the top item in a list box LM_SEARCHSTRING Searches a list box for a match LM_SELECTITEM Sets the selection state of a list-box item LM_SETITEMHANDLE Sets a handle to a list-box item LM_SETITEMHEIGHT Sets the height of list-box items LM_SETITEMTEXT Sets the text of a list-box item LM_SETTOPINDEX Sets an item to the top of a list box MLM_CHARFROMLINE Returns the offset to a line MLM_CLEAR Clears selected text in an MLE MLM_COPY Copies selected text from an MLE to the clipboard MLM_CUT Cuts selected text from an MLE to the clipboard MLM_DELETE Deletes text from an MLE MLM_DISABLEREFRESH Disables screen refresh for an MLE MLM_ENABLEREFRESH Enables screen refresh for an MLE MLM_EXPORT Exports text from an MLE MLM_FORMAT Sets the format for MLE import/export MLM_IMPORT Imports text into an MLE MLM_INSERT Inserts text into an MLE MLM_LINEFROMCHAR Determines the line number of an MLE character MLM_PASTE Copies the clipboard contents to an MLE MLM_QUERYBACKCOLOR Retrieves the background color of an MLE MLM_QUERYCHANGED Determines whether text in an MLE has changed MLM_QUERYFIRSTCHAR Retrieves the offset of first visible character MLM_QUERYFONT Retrieves current MLE font information MLM_QUERYFORMATLINELENGTH Retrieves the formatted MLE line length MLM_QUERYFORMATRECT Retrieves MLE dimensions and mode MLM_QUERYFORMATTEXTLENGTH Retrieves the length of formatted MLE text MLM_QUERYIMPORTEXPORT Retrieves values for the import/export buffer MLM_QUERYLINECOUNT Retrieves the number of lines in an MLE MLM_QUERYLINELENGTH Retrieves the length of an MLE line MLM_QUERYREADONLY Determines the MLE read-only mode MLM_QUERYSEL Retrieves the selection position in an MLE MLM_QUERYSELTEXT Retrieves selected text from an MLE MLM_QUERYTABSTOP Retrieves the MLE tab-stop interval MLM_QUERYTEXTCOLOR Retrieves MLE text-color information MLM_QUERYTEXTLENGTH Retrieves the length of MLE text MLM_QUERYTEXTLIMIT Retrieves the text limit of an MLE MLM_QUERYUNDO Determines if MLE can undo an operation MLM_QUERYWRAP Retrieves the word-wrap state in an MLE MLM_RESETUNDO Resets (clears) the MLE undo flag MLM_SEARCH Searches an MLE MLM_SETBACKCOLOR Sets the background color of an MLE MLM_SETCHANGED Sets the MLE changed flag MLM_SETFIRSTCHAR Sets the first visible character MLM_SETFONT Sets MLE font information MLM_SETFORMATRECT Sets the MLE format rectangle and mode MLM_SETIMPORTEXPORT Sets the MLE import/export buffer MLM_SETREADONLY Sets/clears the MLE read-only state MLM_SETSEL Selects text within an MLE MLM_SETTABSTOP Sets the MLE tab-stop interval MLM_SETTEXTCOLOR Sets text color of an MLE MLM_SETTEXTLIMIT Sets maximum characters for an MLE MLM_SETWRAP Sets/resets MLE word-wrap MLM_UNDO Undoes an MLE operation MM_DELETEITEM Deletes a menu item MM_DISMISSMENU Hides a pull-down menu MM_ENDMENUMODE Terminates a menu selection MM_INSERTITEM Inserts a menu item MM_ISITEMVALID Determines whether a menu item is valid MM_ITEMIDFROMPOSITION Retrieves the identity of a menu item MM_ITEMPOSITIONFROMID Retrieves the position of a menu item MM_QUERYITEM Retrieves information about a menu item MM_QUERYITEMATTR Retrieves attributes and style bits of menu item MM_QUERYITEMCOUNT Retrieves the number of menu items MM_QUERYITEMTEXT Copies a menu string to a buffer MM_QUERYITEMTEXTLENGTH Retrieves the text length of a menu item MM_QUERYSELITEMID Retrieves the identity of a selected menu item MM_REMOVEITEM Removes a menu item MM_SELECTITEM Selects a menu item MM_SETITEM Sets the definition of a menu item MM_SETITEMATTR Sets the attributes of a menu item MM_SETITEMHANDLE Sets the handle of a menu item MM_SETITEMTEXT Sets the text of a menu item MM_STARTMENUMODE Starts a menu selection PL_ALTERED Indicates that profile files have been reset SBM_QUERYPOS Retrieves the position of the slider SBM_QUERYRANGE Retrieves the boundary values of the slider SBM_SETPOS Sets the position of the slider SBM_SETSCROLLBAR Sets the range of the slider SBM_SETTHUMBSIZE Sets the size of the slider SM_QUERYHANDLE Retrieves the handle to a display object SM_SETHANDLE Sets the handle to a display object TBM_QUERYHILITE Retrieves the highlight state of the title bar TBM_SETHILITE Sets the highlight state of the title bar TBM_TRACKMOVE Moves a window WM_ACTIVATE Indicates a change in activation state WM_ADJUSTWINDOWPOS Indicates a window is about to change position WM_APPTERMINATENOTIFY Indicates that an application is terminating WM_BUTTON1DBLCLK Indicates a double-click of button one WM_BUTTON1DOWN Indicates that button one is down WM_BUTTON1UP Indicates that button one has been released WM_BUTTON2DBLCLK Indicates a double-click of button two WM_BUTTON2DOWN Indicates that button two is down WM_BUTTON2UP Indicates that button two has been released WM_BUTTON3DBLCLK Indicates a double-click of button three WM_BUTTON3DOWN Indicates that button three is down WM_BUTTON3UP Indicates that button three has been released WM_CALCFRAMERECT Requests that frame controls be formatted WM_CALCVALIDRECTS Indicates that a window is being resized WM_CHAR Indicates that the user pressed a key WM_CLOSE Indicates that a window is terminating WM_COMMAND Specifies a control message WM_CONTROL Specifies a control message WM_CONTROLHEAP Indicates that a heap handle was requested WM_CONTROLPOINTER Indicates mouse movement over a control window WM_CREATE Indicates that a window is being created WM_DDE_ACK Acknowledges receipt of a message WM_DDE_ADVISE Indicates whether to advise on data update WM_DDE_DATA Indicates that data is available WM_DDE_EXECUTE Indicates a string of commands WM_DDE_INITIATE Initiates a conversation WM_DDE_INITIATEACK Acknowledges the initiation of a conversation WM_DDE_POKE Indicates that unsolicited data was sent WM_DDE_REQUEST Indicates a request for data WM_DDE_TERMINATE Terminates a conversation WM_DDE_UNADVISE Indicates that an item doesn't need updating WM_DESTROY Indicates that a window is being destroyed WM_DESTROYCLIPBOARD Indicates that the clipboard has been emptied WM_DRAWCLIPBOARD Indicates a change in clipboard contents WM_DRAWITEM Indicates that a list-box item needs redrawing WM_ENABLE Indicates that the enable state is changing WM_ERASEBACKGROUND Indicates that the background needs erasing WM_ERROR An error occurred WM_FLASHWINDOW Starts/stops window flashing WM_FOCUSCHANGE Indicates that the focus window is changing WM_FORMATFRAME Requests that frame controls be formatted WM_HELP Indicates a help message WM_HITTEST Queries for a pointer-related message WM_HSCROLL Indicates a horizontal-scroll-bar event WM_HSCROLLCLIPBOARD Scrolls the clipboard horizontally WM_INITDLG Initializes a dialog WM_INITMENU Indicates a menu initialization WM_JOURNALNOTIFY Indicates a journal notification WM_MATCHMNEMONIC Matches a mnemonic character WM_MEASUREITEM Calculates the heights of items WM_MENUEND Indicates that a menu is terminating WM_MENUSELECT Indicates that a menu is selected WM_MINMAXFRAME Window is to be minimized, maximized, restored WM_MOUSEMOVE Indicates mouse movement WM_MOVE Indicates that a window changed position WM_NEXTMENU Obtains the next or previous menu WM_NULL Indicates a null message WM_OTHERWINDOWDESTROYED Indicates a registered window is being destroyed WM_PAINT Indicates that a window needs repainting WM_PAINTCLIPBOARD Indicates that the clipboard needs repainting WM_PRESPARAMCHANGED Indicates that a presentation parameter changed WM_QUERYACCELTABLE Requests an accelerator-table handle WM_QUERYBORDERSIZE Retrieves the border size of a window WM_QUERYCONVERTPOS Retrieves a conversion code WM_QUERYDLGCODE Queries the capabilities of a control window WM_QUERYFOCUSCHAIN Queries the focus chain WM_QUERYFRAMECTLCOUNT Queries the maximum number of frame controls WM_QUERYFRAMEINFO Retrieves information about a frame window WM_QUERYHELPINFO Requests a handle for help instance WM_QUERYICON Retrieves the handle to an icon WM_QUERYTRACKINFO Indicates a start of track movement WM_QUERYWINDOWPARAMS Retrieves the parameters of a window WM_QUIT Indicates that an application is terminating WM_RENDERALLFMTS Renders all formats in the clipboard WM_RENDERFMT Renders a format in the clipboard WM_SAVEAPPLICATION Tells an application to save WM_SEM1 Indicates a message between threads WM_SEM2 Indicates a message between threads WM_SEM3 Indicates a message between threads WM_SEM4 Indicates a message between threads WM_SETACCELTABLE Sets the handle for the accelerator table WM_SETBORDERSIZE Changes a size control WM_SETFOCUS Indicates a change of focus WM_SETHELPINFO Sets the handle for help instance WM_SETICON Sets a minimized icon WM_SETSELECTION Indicates whether a window is selected/deselected WM_SETWINDOWPARAMS Indicates a change in a window's parameters WM_SHOW Indicates a window's visible region has changed WM_SIZE Indicates a change in a window's size WM_SIZECLIPBOARD Indicates a size change of the clipboard window WM_SUBSTITUTESTRING Indicates a string-substitution request WM_SYSCOLORCHANGE Indicates that the system colors have changed WM_SYSCOMMAND Indicates a system message WM_SYSVALUECHANGED Indicates that a system value has changed WM_TIMER Indicates that a timer interval has expired WM_TRACKFRAME Indicates that a tracking operation is beginning WM_TRANSLATEACCEL Translates an accelerator key WM_UPDATEFRAME Updates a frame window WM_VIOCHAR Indicates that a user pressed a key WM_VSCROLL Indicates a vertical scroll event WM_VSCROLLCLIPBOARD Scrolls the clipboard vertically WM_WINDOWPOSCHANGED Indicates that a window size has changed