{BACKSPACE} or {BS} BACKSPACE {DELETE} or {DEL} DELETE {UP} Up arrow {DOWN} Down arrow {LEFT} Left arrow {RIGHT} Right arrow {HOME} HOME {END} END {ESCAPE} or {ESC} ESCAPE {INSERT} or {INS} INS {PGUP} PGUP {PGDN} PGDN {F1} - {F12} Function keys {TAB} TAB {PRINTSCREEN} PRINTSCR {LWIN} Left Windows key {RWIN} Right Windows key {NUMLOCK} NUMLOCK {BREAK} for Ctrl+Break processing {PAUSE} PAUSE {CAPSLOCK} CAPSLOCK {NUMPAD0} - {NUMPAD9} Numpad digits {NUMPADMULT} Numpad Multiply {NUMPADADD} Numpad Add {NUMPADSUB} Numpad Subtract {NUMPADDIV} Numpad Divide {NUMPADDOT} Numpad period {NUMPADENTER} Enter key on the numpad {APPSKEY} Windows App key {LALT} Left ALT key {RALT} Right ALT key {LCTRL} Left CTRL key {RCTRL} Right CTRL key {LSHIFT} Left Shift key {RSHIFT} Right Shift key {SLEEP} Computer SLEEP key {ALTDOWN} Holds the ALT key down until {ALTUP} is sent {SHIFTDOWN} Holds the SHIFT key down until {SHIFTUP} is sent {CTRLDOWN} Holds the CTRL key down until {CTRLUP} is sent {LWINDOWN} Holds the left Windows key down until {LWINUP} is sent {RWINDOWN} Holds the right Windows key down until {RWINUP} is sent {ASC nnnn} Send the ALT+nnnn key combination {BROWSER_BACK} 2000/XP Only: Select the browser "back" button {BROWSER_FORWARD} 2000/XP Only: Select the browser "forward" button {BROWSER_REFRESH} 2000/XP Only: Select the browser "refresh" button {BROWSER_STOP} 2000/XP Only: Select the browser "stop" button {BROWSER_SEARCH} 2000/XP Only: Select the browser "search" button {BROWSER_FAVORITES} 2000/XP Only: Select the browser "favorites" button {BROWSER_HOME} 2000/XP Only: Launch the browser and go to the home page {VOLUME_MUTE} 2000/XP Only: Mute the volume {VOLUME_DOWN} 2000/XP Only: Reduce the volume {VOLUME_UP} 2000/XP Only: Increase the volume {MEDIA_NEXT} 2000/XP Only: Select next track in media player {MEDIA_PREV} 2000/XP Only: Select previous track in media player {MEDIA_STOP} 2000/XP Only: Stop media player {MEDIA_PLAY_PAUSE} 2000/XP Only: Play/pause media player {LAUNCH_MAIL} 2000/XP Only: Launch the email application {LAUNCH_MEDIA} 2000/XP Only: Launch media player {LAUNCH_APP1} 2000/XP Only: Launch user app1 {LAUNCH_APP2} 2000/XP Only: Launch user app2 Windows Message Codes Sorted by Name Sorted by Code Message Code Code Message WM_ACTIVATE 0x0006 0x0000 WM_NULL WM_ACTIVATEAPP 0x001C 0x0001 WM_CREATE WM_AFXFIRST 0x0360 0x0002 WM_DESTROY WM_AFXLAST 0x037F 0x0003 WM_MOVE WM_APP 0x8000 0x0005 WM_SIZE WM_APPCOMMAND 0x0319 0x0006 WM_ACTIVATE WM_ASKCBFORMATNAME 0x030C 0x0007 WM_SETFOCUS WM_CANCELJOURNAL 0x004B 0x0008 WM_KILLFOCUS WM_CANCELMODE 0x001F 0x000 A WM_ENABLE WM_CAPTURECHANGED 0x0215 0x000B WM_SETREDRAW WM_CHANGECBCHAIN 0x030 D 0x000C WM_SETTEXT WM_CHANGEUISTATE 0x0127 0x000 D WM_GETTEXT WM_CHAR 0x0102 0x000E WM_GETTEXTLENGTH WM_CHARTOITEM 0x002F 0x000F WM_PAINT WM_CHILDACTIVATE 0x0022 0x0010 WM_CLOSE WM_CLEAR 0x0303 0x0011 WM_QUERYENDSESSIO N WM_CLOSE 0x0010 0x0013 WM_QUERYOPEN WM_COMMAND 0x0111 0x0016 WM_ENDSESSION WM_COMMNOTIFY 0x0044 0x0012 WM_QUIT WM_COMPACTING 0x0041 0x0014 WM_ERASEBKGND WM_COMPAREITEM 0x0039 0x0015 WM_SYSCOLORCHANGE WM_CONTEXTMENU 0x007B 0x0018 WM_SHOWWINDOW WM_COPY 0x0301 0x001 A WM_WININICHANGE WM_COPYDATA 0x004 A 0x001 A WM_SETTINGCHANGE WM_CREATE 0x0001 0x001B WM_DEVMODECHANGE WM_CTLCOLORBTN 0x0135 0x001C WM_ACTIVATEAPP WM_CTLCOLORDLG 0x0136 0x001 D WM_FONTCHANGE WM_CTLCOLOREDIT 0x0133 0x001E WM_TIMECHANGE WM_CTLCOLORLISTBOX 0x0134 0x001F WM_CANCELMODE WM_CTLCOLORMSGBOX 0x0132 0x0020 WM_SETCURSOR WM_CTLCOLORSCROLLBA R 0x0137 0x0021 WM_MOUSEACTIVATE WM_CTLCOLORSTATIC 0x0138 0x0022 WM_CHILDACTIVATE WM_CUT 0x0300 0x0023 WM_QUEUESYNC WM_DEADCHAR 0x0103 0x0024 WM_GETMINMAXINFO WM_DELETEITEM 0x002 D 0x0026 WM_PAINTICON WM_DESTROY 0x0002 0x0027 WM_ICONERASEBKGND WM_DESTROYCLIPBOARD 0x0307 0x0028 WM_NEXTDLGCTL WM_DEVICECHANGE 0x0219 0x002 A WM_SPOOLERSTATUS WM_DEVMODECHANGE 0x001B 0x002B WM_DRAWITEM WM_DISPLAYCHANGE 0x007E 0x002C WM_MEASUREITEM WM_DRAWCLIPBOARD 0x0308 0x002 D WM_DELETEITEM WM_DRAWITEM 0x002B 0x002E WM_VKEYTOITEM