Windows Message Encyclopedia

Original link Address: http://www.cnblogs.com/icebutterfly/archive/2011/08/05/2128864.html

Table A-1 Windows message Distribution

Message Range
Description

0 ~ wm_user–1
System messages

Wm_user ~ 0x7FFF
Custom window class integer messages

Wm_app ~ 0xBFFF
Application Custom Messages

0xc000 ~ 0xFFFF
Application string Messages

> 0xFFFF
Apply retention for future systems

Table A-2 Common Windows messages

Message name
Value
Description

Wm_null
0x0000
Empty message, this message will be ignored by the receiving window

Wm_create
0x0001
Application creates a window

Wm_destroy
0x0002
A window is destroyed

Wm_move
0x0003
Move a window

Wm_size
0x0005
Change the size of a window

Wm_activate
0x0006
A window is activated or inactive

Wm_setfocus
0x0007
After gaining focus

Wm_killfocus
0x0008
Lose focus

Wm_enable
0x000A
Generated when the application enable state changes

Wm_setredraw
0x000b
Sets whether the window can be redrawn

Wm_settext
0x000c
The application sends this message to set the text of a window

Wm_gettext
0x000d
The application sends this message to copy the corresponding window's text to the buffer

Wm_gettextlength
0x000e
Gets the length of the text associated with a window (does not contain null characters)

Wm_paint
0x000f
require a window to redraw itself

Wm_close
0x0010
Send a signal when a window or application is about to close

Wm_queryendsession
0x0011
The user selects the End dialog box or the application calls the ExitWindows () function itself

Wm_quit
0x0012
Used to end a program run or an application calling the PostQuitMessage () function to generate this message

Wm_queryopen
0x0013
Sends this message to an icon when the user window restores the previous size position

Wm_erasebkgnd
0x0014
When the window background must be erased (for example, when the window changes size)

Wm_syscolorchange
0x0015
Send this message to all top-level windows when the system color changes

Wm_endsession
0x0016
When the system process issues a WM_QUERYENDSESSION message, this message is sent to the application

Wm_showwindow
0x0018
When the hidden or displayed window is sent this message to this window

Wm_activateapp
0x001c
When a window will be activated, the window will be activated and the current activity (about to lose the activation) window will receive this message, sending this message to the application which window is active, which is the inactive

Wm_fontchange
0x001d
This message is sent to all top-level windows when the system's font repository changes

Wm_timechange
0x001e
Send this message to all top-level windows when the system's time changes

Wm_cancelmode
0x001f
Send this message to cancel an operation that is in progress

Wm_setcursor
0x0020
If the mouse causes the cursor to move through a window and the mouse input is not captured, send a message to the window

Wm_mouseactivate
0x0021
When the cursor is in a non-activated window and the user is pressing a key on the mouse to send this message to the current window

Wm_childactivate
0x0022
Send this message to the MDI child window when the user taps the title bar of this window, or when the window is activated, moved, resized

Wm_queuesync
0x0023
This message is sent by a computer-based training program that separates the user input message from the Wh_journalpalyback hook program

Wm_getminmaxinfo
0x0024
When the window is going to change size or position, send this message to the window

Wm_painticon
0x0026
When the window icon is going to be redrawn, send this message to the window

Wm_iconerasebkgnd
0x0027
This message is sent to the window when the icon background must be redrawn before the icon in a minimized window is redrawn

Wm_nextdlgctl
0x0028
Send this message to a dialog box program to change the focus location

Wm_spoolerstatus
0x002a
This message is emitted when a print management queue increases or decreases a job

Wm_drawitem
0x002b
When the appearance of the Button,combobox,listbox,menu control changes, this message is sent to the owner of these controls

Wm_measureitem
0x002c
When the Button,combobox,list box,listview,menu item is created, this message is sent to the owner of the control

Wm_deleteitem
0x002D
When a ListBox or ComboBox is destroyed or when certain items are deleted by sending lb_deletestring, Lb_resetcontent, cb_deletestring, cb_resetcontent messages, Send this message to the owner of the control

Wm_vkeytoitem
0x002e
A ListBox control with a lbs_wantkeyboardinput style sends this message to its owner in response to the WM_KEYDOWN message

Wm_chartoitem
0x002f
A ListBox control with a lbs_wantkeyboardinput style sends this message to its owner in response to the WM_CHAR message

Wm_setfont
0x0030
When the application draws the control, this message is sent to get the text in the control in which font is drawn

Wm_getfont
0x0031
The application sends this message to get the font of the current control drawing text

Wm_sethotkey
0x0032
The application sends this message to have a window associated with a hotkey

Wm_gethotkey
0x0033
The application sends this message to determine if a hot key is associated with a window

Wm_querydragicon
0x0037
This message is sent to the minimized window, and when the window is about to be dragged and the icon is not defined in its class, the application returns an icon or a handle to the cursor that the system displays when the user drags and puts the icon

Wm_compareitem
0x0039
Send this message to determine the relative position of the newly added item in the ComboBox or ListBox

Wm_compacting
0x0041
Display memory is very low.

Wm_windowposchanging
0x0046
When the SetWindowPos () function is called to change the size and position of the window, send this message to the window

Wm_power
0x0048
This message is sent to all processes when the system will go into a pending state

Wm_copydata
0x004a
This message is sent when an application passes data to another application

Wm_canceljournal
0x004b
When a user cancels the program Log activation state, this message is sent to the application

Wm_notify
0x004e
Sends this message to its parent window when an event for a control has already occurred or if the control needs to get some information

Wm_inputlangchangerequest
0x0050
When the user chooses an input language, or the hotkey of the input language changes

Wm_inputlangchange
0x0051
Send this message to the affected top-level window when the application input language changes

Wm_tcard
0x0052
Send this message to the application when the application has initialized the Windows Help routine

Wm_help
0x0053
When the user presses F1, if a menu is active, send this message to the menu associated with the window, otherwise it will be sent to the focus window, and if there is no focus, send the message to the currently active window

Wm_userchanged
0x0054
When the user has logged in or exited to send this message to all windows, when the user logs on or exits the system updates the user's specific settings information, the system sends this message as soon as the user updates the settings

Wm_notifyformat
0x0055
This message is used by common controls and their parent window to determine whether the structure is in ANSI or Unicode form in the WM_NOTIFY message, which enables the control to communicate with its parent control

Wm_contextmenu
0x007b
When the user clicks the right button in a window, this message is sent to the window

Wm_stylechanging
0x007c
When one or more styles of the SetWindowLong () function window will be called, this message is sent to the window

Wm_stylechanged
0x007d
When the call SetWindowLong () function changes one or more styles of the window, send this message to the window

Wm_displaychange
0x007e
Send this message to all windows when the resolution of the monitor changes

Wm_geticon
0x007F
Send this message to a window that returns a handle to a large icon or small icon associated with a window

Wm_seticon
0x0080
The application sends this message to have a new large icon or small icon associated with a window

Wm_nccreate
0x0081
When a window is first created, this message is sent before the WM_CREATE message is sent

Wm_ncdestroy
0x0082
This message notifies a window that the non-client area is being destroyed

Wm_nccalcsize
0x0083
This message is sent when calculating the client area size and location of a window

Wm_nchittest
0x0084
Generate this message when you move the mouse, press and hold or release the mouse

Wm_ncpaint
0x0085
When a window's frame must be drawn, the application sends this message to the window

Wm_ncactivate
0x0086
This message is sent to a window by changing its non-client area to indicate whether the window is active or inactive

Wm_ncmousemove
0x00a0
This message is sent to the window when the cursor moves within the window's non-client area (window title bar and border)

Wm_nclbuttondown
0x00A1
This message is sent when the cursor is in the non-client area of the window and the left mouse button is pressed

Wm_nclbuttonup
0x00a2
This message is sent when the cursor is in the non-client area of the window and the left mouse button is released

Wm_nclbuttondblclk
0x00a3
This message is sent when the cursor is in the non-client area of the window and the left mouse button is double-clicked

Wm_ncrbuttondown
0x00a4
This message is sent when the cursor is in the non-client area of the window and the right mouse button is pressed

Wm_ncrbuttonup
0x00a5
This message is sent when the cursor is in the non-client area of the window and the right mouse button is released

Wm_ncrbuttondblclk
0x00a6
This message is sent when the cursor is in the non-client area of the window and the right mouse button is double-clicked

Wm_ncmbuttondown
0x00a7
This message is sent when the cursor is in the non-client area of the window and the middle mouse button is pressed

Wm_ncmbuttonup
0x00a8
This message is sent when the cursor is in the non-client area of the window and releases the middle mouse button

Wm_ncmbuttondblcl
0x00a9
This message is sent when the cursor is in the non-client area of the window and the middle mouse button is double-clicked

Wm_keydown
0x0100
Press a non-system key (the "ALT" key is not pressed when the key is pressed)

Wm_keyup
0x0101
Release a non-system key

Wm_char
0x0102
Press a key to send this message when TranslateMessage () forwards Wm_keydown

Wm_deadchar
0x0103
Release a key when TranslateMessage () forwards wm_keyup to send this message

Wm_syskeydown
0x0104
Send this message to a window that has keyboard focus when you hold down the ALT key while pressing another key

Wm_syskeyup
0x0105
Send this message to a window that has keyboard focus when releasing a key while holding down the ALT key

Wm_syschar
0x0106
Send this message to a window that has keyboard focus when translatemessage () forwards Wm_syskeydown

Wm_sysdeadchar
0x0107
Send this message to a window that has keyboard focus when translatemessage () forwards Wm_syskeyup

Wm_initdialog
0x0110
Send this message dialog box before it is displayed, typically using this message to initialize the control and perform other tasks

Wm_command
0x0111
This message is generated when you select a Window menu item or a control to send a message to its parent window or to press a shortcut key

Wm_syscommand
0x0112
When you select a Window menu item or select Maximize or minimize, this message is sent to the window

Wm_timer
0x0113
A timer event has occurred

Wm_hscroll
0x0114
This message is sent to the owner of the window and scroll bar when the window horizontal scrollbar produces a scrolling event

Wm_vscroll
0x0115
This message is sent to the owner of the window and scroll bar when the window vertical scrollbar produces a scrolling event

Wm_initmenu
0x0116
This message is sent when a menu is about to be activated, it occurs when a menu item is pressed, or when a menu shortcut is pressed, which allows the program to change the menu before it is displayed

Wm_initmenupopup
0x0117
This message is sent when a drop-down menu or submenu is about to be activated, allowing it to be displayed before the menu is modified without having to change the entire menu

Wm_menuselect
0x011f
Send this message to the owner of the menu when a menu item is selected (typically a window)

Wm_menuchar
0x0120
When the menu is activated and the user presses a key (non-accelerator), the message is sent to the owner of the menu

Wm_enteridle
0x0121
Sends this message to its owner when a modal dialog box or menu enters an idle state, which means that the message queue is empty after one or several previous messages have been processed

Wm_menurbuttonup
0x0122
When the cursor is over a menu item, release the right mouse button to generate this message

Wm_menudrag
0x0123
When you drag a menu item, this message is sent to the owner of the drag-and-drop menu

Wm_menugetobject
0x0124
Send this message to the owner of the drop-down menu when the cursor moves into the menu item or moves from the center of the menu item to the top or bottom of the item

Wm_uninitmenupopup
0x0125
This message is generated when the drop-down menu or submenu is destroyed

Wm_menucommand
0x0126
This message is generated when the user selects a menu item

Wm_changeuistate
0x0127
The application sends this message indicating that the user interface (UI) state should be changed

Wm_updateuistate
0x0128
The application sends this message to change the user interface (UI) state of the specified window and its child windows

Wm_queryuistate
0x0129
The application sends this message to get the user interface (UI) state of a window

Wm_ctlcolormsgbox
0x0132
Sends this message to its parent window before the message box is drawn, and in response to this message, the parent window can set the text and background color of the message box by using the handle of the given related display device

Wm_ctlcoloredit
0x0133
Sends this message to its parent window before drawing the edit control, which can be used to set the text and background color of the edit box

Wm_ctlcolorlistbox
0x0134
Sends this message to its parent window before drawing the ListBox control, which can be used to set the text and background color of the edit box

Wm_ctlcolorbtn
0x0135
Sends this message to its parent window before drawing the button control, which can be used to set the text and background color of the edit box

Wm_ctlcolordlg
0x0136
Sends this message to its parent window before drawing the dialog box, which can be used to set the text and background color of the edit box

Wm_ctlcolorscrollbar
0x0137
Sends this message to its parent window before drawing the scrollbar control, which you can use to set the text and background color of the scroll bar control

Wm_ctlcolorstatic
0x0138
Sends this message to its parent window before drawing a static control, which can be used to set the text and background color of a static control

Wm_mousemove
0x0200
Mouse movement

Wm_lbuttondown
0x0201
Press the left mouse button

Wm_lbuttonup
0x0202
Release left mouse button

Wm_lbuttondblclk
0x0203
Double click left mouse button

Wm_rbuttondown
0x0204
Press the right mouse button

Wm_rbuttonup
0x0205
Release the right mouse button

Wm_rbuttondblclk
0x0206
Double-click the right mouse button

Wm_mbuttondown
0x0207
Press the middle mouse button

Wm_mbuttonup
0x0208
Release middle mouse button

Wm_mbuttondblclk
0x0209
Double-click the middle mouse button

WM_MouseWheel
0x020a
Sends this message to the currently focused window when the mouse wheel is rotated

Wm_parentnotify
0x0210
When the MDI child window is created or destroyed, or when the cursor is over a child window and the user presses the mouse button, the message is sent to its parent window

Wm_entermenuloop
0x0211
Send this message to notify the application that the main window process has entered the menu mode loop

Wm_exitmenuloop
0x0212
Send this message to notify the application that the main window process has exited the menu mode loop

Wm_sizing
0x0214
Adjust window Large hours send this message to the window through which the application can monitor or modify the window size and position

Wm_capturechanged
0x0215
When the window is set to not capture mouse events, this message is sent to the window

Wm_moving
0x0216
When you move a window, this message is sent to the window through which the application can monitor or modify the window size and position

Wm_powerbroadcast
0x0218
Send this message to the application to notify it about power management events

Wm_devicechange
0x0219
Send this message to the application or device driver when the device's hardware configuration changes

Wm_mdicreate
0x0220
The application sends this message to a multi-document client window to create an MDI child window

Wm_mdidestroy
0x0221
The application sends this message to a multi-document client window to close an MDI child window

Wm_mdiactivate
0x0222
The application sends this message to the multi-document Customer window to notify the client window to activate another MDI child window, and when the client window receives this message, it issues a wm_mdiactive message to the MDI child window (not activated) to activate it

Wm_mdirestore
0x0223
The application sends this message to the MDI client window to notify the child window to revert to its original size

Wm_mdinext
0x0224
The application sends this message to the MDI client window to activate the next or previous window

Wm_mdimaximize
0x0225
The application sends this message to the MDI client window to maximize an MDI child window

Wm_mditile
0x0226
The application sends this message to the MDI client window to re-arrange all MDI child windows in a tiled manner

Wm_mdicascade
0x0227
The application sends this message to the MDI client window to cascade all MDI child windows

Wm_mdiiconarrange
0x0228
The application sends this message to the MDI client window to rearrange all the minimized MDI child windows

Wm_mdigetactive
0x0229
The application sends this message to the MDI client window to find the handle to the active child window

Wm_mdisetmenu
0x0230
The application sends this message to the MDI client window using the MDI menu instead of the child window's menu

Wm_entersizemove
0x0231
This message is sent to the window when the window enters the move or changes the size mode loop

Wm_exitsizemove
0x0232
This message is sent to the window when the window exits the move or changes the size mode loop

Wm_dropfiles
0x0233
This message is generated when a user drags a file in the application window

Wm_mdirefreshmenu
0x0234
The application sends this message to the MDI client window to refresh the Window menu

Wm_mousehover
0x02a1
This message is sent to the window when the cursor hovers over a specified time in the client area of TrackMouseEvent ()

Wm_mouseleave
0x02a3
This message is sent to the window when the cursor leaves the window client area more than the specified time of trackmouseevent ()

Wm_cut
0x0300
The application sends this message to an edit box or ComboBox to delete the currently selected text

Wm_copy
0x0301
The application sends this message to an edit box or ComboBox to copy the currently selected text to the Clipboard

Wm_paste
0x0302
The application sends this message to an edit box or ComboBox to get the data from the Clipboard

Wm_clear
0x0303
The application sends this message to an edit box or ComboBox to clear the currently selected content

Wm_undo
0x0304
The application sends this message to an edit box or ComboBox to undo the last action

Wm_destroyclipboard
0x0307
Send this message to the Clipboard owner when calling EmptyClipboard () to empty the Clipboard

Wm_drawclipboard
0x0308
When the contents of the Clipboard are changed, this message is sent to the first window in the Clipboard Watch chain, which allows the Clipboard viewing window to display new contents of the Clipboard

Wm_paintclipboard
0x0309
This message is sent to the Clipboard owner when the Clipboard contains data in Cf_ownerdiplay format and the client area of the Clipboard Watch window needs to be redrawn

Wm_vscrollclipboard
0x030a
When the Clipboard contains Cf_ownerdiplay formatted data and the Clipboard Watch window has a vertical scrollbar event, the Clipboard Watch window sends this message to the Clipboard owner

Wm_sizeclipboard
0x030b
When the Clipboard contains data in cf_ownerdiplay format and the size of the client area of the Clipboard Watch window has changed, the Clipboard Watch window sends this message to the owner of the Clipboard

Wm_askcbformatname
0x030c
Clipboard Watch Window sends this message to the Clipboard owner to get the name of the Cf_ownerdisplay Clipboard format

Wm_changecbchain
0x030d
Send this message to the first window in the Clipboard watch chain when a window is removed from the Clipboard watch chain

Wm_hscrollclipboard
0x030e
The Clipboard Watch window sends this message to the Clipboard owner when the Clipboard contains Cf_ownerdiplay formatted data and the Clipboard Watch window has a horizontal scrollbar event

Wm_querynewpalette
0x030f
Send this message to the window that will get the keyboard focus, which gives the window a chance to implement its logical palette while gaining focus

Wm_paletteischanging
0x0310
The application will implement its logical palette when sending this message to notify all applications

Wm_palettechanged
0x0311
The window that obtains the focus implements its logical palette after sending this message to all top-level and overlapping windows, in this

To change the system palette

Wm_hotkey
0x0312
This message is generated when the user presses a hotkey registered by RegisterHotKey ()

Wm_print
0x0317
The application sends this message to the window, requiring the window to draw itself in the specified device environment, typically the printer device environment

Wm_printclient
0x0318
The application sends this message to the window, requiring the window to draw windows in the specified device Environment client area, typically the printer device environment

Wm_app
0x8000
Help users customize messages, custom messages can be wm_app+x,x as positive integers

Wm_user
0x0400
Help users customize messages, custom messages can be wm_user+x,x as positive integers

Table A-3 Notification MESSAGE-button

Message name
Description

Bn_clicked
Click the button

Bn_disable
button is forbidden

Bn_doubleclicked
Double click button

Bn_hilite
Highlight button

Bn_paint
Button should redraw

Bn_unhilite
Highlighting should be removed

Table A-4 Notification message-combo box

Message name
Description

Cbn_closeup
The combo box's list box is closed

Cbn_dblclk
The user double-clicked on a string

Cbn_dropdown
The list box of the combo box is pulled down

Cbn_editchange
The user modified the text in the combo box

Cbn_editupdate
Text in combo box is about to update

Cbn_errspace
Low combo box Memory

Cbn_killfocus
Combo box loses input focus

Cbn_selchange
Select an item in the combo box

Cbn_selendcancel
User's selection will be ignored

Cbn_selendok
The user's choice will be executed

Cbn_setfocus
Combo box Get input focus

Table A-5 Notification message-edit box

Message name
Description

En_change
The text in the edit box has already been updated

En_errspace
The edit box is low on memory

En_hscroll
The user clicked the horizontal scroll bar

En_killfocus
edit box loses input focus

En_maxtext
The inserted content is truncated

En_setfocus
edit box to get input focus

En_update
The text in the edit box will be updated

En_vscroll
The user clicked the vertical scroll bar

Table A-6 Notification message-list box

Message name
Description

Lbn_dblclk
The user double-clicked on an item

Lbn_errspace
Insufficient list box memory

Lbn_killfocus
The list box is losing input focus

Lbn_selcancel
User selected to be canceled

Lbn_selchange
User Selection will change

Lbn_setfocus
list box gets input focus