explanations C++ C# Java JS VB VBS pascal
  onabort  
Fires when the object is set as the active element.  wm_activate onactivate
  wm_afterupdate onafterupdate
Fires immediately before the object is set as the active element.  onbeforeactivate   
Fires on the source object before the selection is copied to the system clipboard. wm_beforecopy onbeforecopy  
Fires on the source object before the selection is deleted from the document.  wm_beforecut onbeforecut 
  wm_beforedeactivate onbeforedeactivate
 
Fires immediately before the activeElement is changed from the current object to another object in the parent document.  onbeforedeactivate 
  wm_beforeeditfocus onbeforeeditfocus
 
Fires before an object contained in an editable element enters a UI-activated state or when an editable container object is control selected.  onbeforeeditfocus 
  wm_beforepaste onbeforepaste
  onbeforepaste
Fires on the target object before the selection is pasted from the system clipboard to the document.  onbeforepaste 
  onbeforeunload  
  wm_beforeupdate onbeforeupdate
 
 
Fires when the object loses the input focus.  wm_blur onblur
  onbounce  
  wm_cellchange oncellchange
  onchange
Fires when the user clicks the left mouse button on the object.   wm_click onclick Click
Fires when the user clicks the right mouse button in the client area, opening the context menu.  wm_contextmenu oncontextmenu  
Fires when the user is about to make a control selection of the object. oncontrolselect  
  wm_copydata oncopy
Fires on the source element when the user copies the object or selection, adding it to the system clipboard. oncopy  
  oncut
Fires on the source element when the object or selection is removed from the document and added to the system clipboard.  oncut 
  ondataavailable
  ondatasetchanged
 
  ondatasetcomplete  
 Fires when the user double-clicks the object.  wm_dblclick ondblclick dblclick
  ondeactivate
Fires when the activeElement is changed from the current object to another object in the parent document.  ondeactivate 
Fires on the source object continuously during a drag operation. ondrag  
  ondragdrop
Fires on the source object when the user releases the mouse at the close of a drag operation. ondragend  
Fires on the target element when the user drags the object to a valid drop target.  ondragenter 
Fires on the target object when the user moves the mouse out of a valid drop target during a drag operation.  ondragleave 
Fires on the target element continuously while the user drags the object over a valid drop target.  ondragover 
Fires on the source object when the user starts to drag a text selection or selected object. ondragstart   
Fires on the target object when the mouse button is released during a drag-and-drop operation.  wm_dropfile ondrop 
  onerror
  onerror  
  onerrorupdate
  onfilterchange
  onfinish  
Fires when the object receives focus.   onfocus 
Fires for an element just prior to setting focus on that element.  wm_setfocus onfocusin
Fires for the current element with focus immediately after moving focus to another element.  onfocusout    
Fires when the user presses the F1 key while the browser is the active window.   wm_help onhelp 
Fires when the user presses a key.  wm_KeyDown onkeydown  KeyDown
Fires when the user presses an alphanumeric key.  wm_KeyPress onkeypress   KeyPress
Fires when the user releases a key.  wm_KeyUp onkeyup  KeyUp
  onlayoutcomplete
  onload
Fires when the object loses the mouse capture.   onlosecapture 
  wm_lbuttondown onmousedown
Fires when the user clicks the object with either mouse button.  onmousedown  
 
Fires when the user moves the mouse pointer into the object. onmouseenter  
Fires when the user moves the mouse pointer outside the boundaries of the object.  onmouseleave 
Fires when the user moves the mouse over the object.   wm_mousemove onmousemove 
Fires when the user moves the mouse pointer outside the boundaries of the object. onmouseout   
Fires when the user moves the mouse pointer into the object. onmouseover   
  wm_lbuttonup onmouseup  
Fires when the wheel button is rotated. wm_mousewheel onmousewheel     
Fires when the object moves. wm_move onmove  
  onmoveend
Fires when the object stops moving.  onmoveend 
Fires when the object starts to move.  onmovestart 
  onpaste 
Fires when a property changes on the object.  onpropertychange 
Fires when the state of the object has changed.  onreadystatechange  
Fires when the user resets a form.  onreset  
Fires when the size of the object is about to change.  onresize  
Fires when the user finishes changing the dimensions of the object in a control selection.  onresizeend 
Fires when the user begins to change the dimensions of the object in a control selection.  onresizestart 
  onrowenter
  onrowexit
  onrowsdelete
  onrowsinserted
  wm_hscroll onscroll Scroll
  onselect  
  onselectionchange
Fires when the object is being selected.   onselectstart 
  onstart  
Fires when a FORM is about to be submitted.   onsubmit 
Fires whenever a time-specific error occurs, usually as a result of setting a property to an invalid value.  ontimeerror 
  onunload
  wm_activateapp
  wm_askcbformatname
  wm_cancelmode
  wm_capturechanged
  wm_changecbchain
  wm_char
  wm_chartoitem
  wm_childactivate
  wm_close
  wm_compacting
  wm_compareitem
  wm_create
  wm_ctlcolor
  wm_deadchar
  wm_deleteitem
  wm_destroy
  wm_destroyclipboard
  wm_devicechange
  wm_devmodechange
  wm_drawclipboard
  wm_drawitem
  wm_enable
  wm_endsession
  wm_enteridl
  wm_erasebkgnd
  wm_fontchange
  wm_getdlgcode
  wm_getminmaxinfo
  wm_helpinfo
 
  wm_hscrollclipboard
  wm_iconerasebkgnd
  wm_initem
  wm_initmenupopup
  wm_keytoitem
  wm_killfocus LostFocus
  wm_lbuttondblclk
  wm_mbuttondblclk
  wm_mbuttondown
  wm_mbuttonup
  wm_mdiactivate
  wm_measureitem
  wm_menuchar
  wm_menuselect
  wm_mouseactivate
 
 
  wm_moving
  wm_ncactivate
  wm_nccreate
  wm_ncdestroy
  wm_nchittest
  wm_nclbuttondblclk
  wm_nclbuttondown
  wm_nclbuttonup
  wm_ncmbuttondblclk
  wm_ncmbuttondown
  wm_ncmbuttonup
  wm_ncmousemove
  wm_ncpaint
  wm_ncrbuttondblclk
  wm_ncrbuttondown
  wm_ncrbuttonup
  wm_paint
  wm_paintclipboard
  wm_palettechanged
  wm_paletteischanging
  wm_parentnotify
  wm_querydragicon
  wm_queryendsession
  wm_querynewpalette
  wm_queryopen
  wm_queuesync
  wm_quit
  wm_rbuttondblclk
  wm_rbuttondown
  wm_rbuttonup
  wm_renderallformats
  wm_renderformat
  wm_setcursor
 
  wm_setfont
  wm_sethotkey
  wm_seticon
  wm_setredraw
  wm_settext
  wm_settingchange
  wm_showwindow
  wm_size
  wm_sizeclipboard
  wm_sizing
  wm_spoolerstatus
  wm_stylechanged
  wm_stylechanging
  wm_syncpaint
  wm_syschar
  wm_syscolorchange
  wm_syscommand
  wm_sysdeadchar
  wm_syskeydown
  wm_syskeyup
  wm_timechange
  wm_timer
  wm_vscroll
  wm_vscrollclipboard
  wm_windowposchanged
  wm_windowposchanging
Fires when the user releases a mouse button while the mouse is over the object.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  GotFocus