Events A-Z

Event Num Description
All 0 This is shorthand for "all events". It is not an event in its own right. See Special Case for All events .
ActivateApp 139 User has switched to/from the APL application
AddCol 153 appended a column to a Grid object
AddRow 152 appended a row to a Grid object
AmbientChanged 533 reported when any of the ambient properties change in an application hosting an ActiveXControl object
AnimStarted 294 reported just before an AVI clip starts playing in an Animation object.
AnimStopped 295 reported just after an AVI clip stops playing in an Animation object.
BadValue 180 attempted to leave Edit object with invalid text
BalloonHide 862 reported when a BalloonTip is displayed
BalloonShow 861 reported when a BalloonTip disappears
BalloonTimeout 863 reported when a BalloonTip is dismissed
BalloonUserClick 864 reported when a BalloonTip is clicked
BeginEditLabel 300 signals the start of an edit operation in a ListView or TreeView object
CalendarDblClick 273 reported when the user double-clicks the left mouse button over a Calendar object
CalendarDown 271 reported when the user depresses the left mouse button over a Calendar object
CalendarMove 274 reported when the user moves the left mouse button over a Calendar object
CalendarUp 272 reported when the user releases the left mouse button over a Calendar object
CellChanged 164 modified and updated the contents of a cell in a Grid object
CellChange 150 modified the contents of a cell in a Grid object
CellDblClick 163 double-clicked the mouse on a cell in a Grid
CellDown 161 depressed a mouse button over a cell in a Grid
CellError 157 input invalid data into a cell in a Grid
CellMove 151 moved to a new cell in a Grid object
CellOver 160 mouse moved over a cell in a Grid object
CellUp 162 released a mouse button over a cell in a Grid
Change 36 altered the text in an Edit or Combo
ClickComment 225 user has clicked the mouse in a comment window of a Grid
ClipChange 120 data in the clipboard has changed
Close 33 Form is about to be closed
CloseUp 46 reported by a DateTimePicker object just before the drop-down calendar is hidden
ColorChange 430 user has selected a colour in a ColorButton
ColumnClick 320 user has clicked on a heading in a ListView
Configure 31 position and/or size of an object is about to change
ContextMenu 410 user has performed a standard Windows action to display a ContextMenu
Create 34 reported after an object has been created
DateTimeChange 267 user has changed the DateTime value in a DateTimePicker object
DDE 50 DDE message has been received or sent
DisplayChange 137 user has changed screen resolution or number of colours
DockAccept 483 reported by a host object just before it accepts a client object docking operation
DockCancel 485 user has aborted a docking operation by pressing Escape
DockEnd 484 reported by a client object after it has been successfully docked in a host object
DockMove 481 reported by a host object when a dockable object (the client) is dragged over it
DockRequest 482 reported by a client object just before it is docked in a host object, when the user releases the mouse button
DockStart 480 reported by a client object when the user starts to drag it using the mouse
DoPopup 846 triggered when the HTMLRenderer client attempts to open a new window.
DragDrop 11 moved an object using drag & drop operation
DropDown 45 user has clicked the drop-down button in an object, just before the drop-down part is displayed
DropFiles 450 user has drag/dropped a file icon onto an object
DropObjects 455 user has drag/dropped an object icon from the Workspace Explorer or Find Objects tool onto an object
DyalogCustomMessage1 95 allows external applications and dynamic link libraries to insert events into the Dyalog APL/W message queue
EndEditLabel 301 signals completion of an edit operation in a ListView or TreeView object
EndSplit 282 reported when user releases the left mouse button to signify the end of a drag operation on a Splitter object
ExitApp 132 selected End Task from the Windows Task List
ExitWindows 131 requested Windows to terminate
Expanding 302 reported by a TreeView object as it is about to expand
Expose 32 exposed part or all of a Form or a Static
FileBoxCancel 72 selected the Cancel button in a FileBox
FileBoxOK 71 selected the Ok button in a FileBox
FontCancel 242 user has pressed the Cancel button or closed the font selection dialog box
FontOK 241 user has pressed the OK button in the font selection dialog box
FrameContextMenu 411 user has clicked the right mouse button over the non-client area of an object
GesturePan 494 generated by a Pan gesture
GesturePressAndTap 497 generated by a press-and-tap gesture
GestureRotate 495 generated by a rotate gesture
GestureTwoFingerTap 496 generated by a two-finger-tap gesture
GestureZoom 493 generated by a zoom gesture
GetDayStates 266 reported when a Calendar object requires the Dyalog program to provide day state information for the range of dates it is about to display
GetTipText 325 reported by a TreeView or ListView object just before it displays a tip for a specific row
GotFocus 40 user has moved the keyboard focus to a new object
GridCopy 191 reported when the user presses Ctrl+Insert and there are selected cells in the Grid
GridCopyError 196 the user has pressed Ctrl+Insert and there is more than one block of selected cells in the Grid and the blocks are non-conformable
GridCut 190 the user has pressed Shift+Delete and there are selected cells in the Grid
GridDelete 193 the user has pressed Delete and there are selected cells in the Grid
GridDropSel 195 the user has drag/dropped a selected block of cells in the Grid
GridKeyPress 24 user has pressed a key in a Grid cell
GridPaste 192 the user has pressed Shift+Insert and there is data in the clipboard that is in a suitable format for the Grid
GridPasteError 194 the user has pressed Shift+Insert and there is data in the clipboard, but the system is unable to paste the data into the Grid
GridSelect 165 user has changed the selection in a Grid
Help 400 user has clicked the Question (?) button and then clicked on an object
HideComment 224 generated just before a comment window is hidden as a result of the user moving the mouse-pointer away from a commented cell
HScroll 39 requested movement in horizontal scrollbar of Form
HThumbDrag 442 user has dragged the thumb of the horizontal scrollbar of a Form or SubForm
HTTPRequest   raised when an HTMLRenderer issues a request for a url on the internal server
Idle 130 generated when system is idle
IndexChanged 210 user has scrolled the data in a Grid so that the value of its Index property has changed
ItemDblClick 342 user has double-clicked on an item in a ListView or TreeView object
ItemDown 340 user has depressed the left mouse button over an item in a ListView or TreeView object
ItemUp 341 user has released the left mouse button over an item in a ListView or TreeView object
KeyError 23 pressed an invalid key on the keyboard
KeyPress 22 pressed a key on the keyboard
Locator 80 terminated interaction with a Locator object
LostFocus 41 object has lost the input focus
MDIActivate 42 MDI SubForm becomes the active one
MDIDeactivate 43 MDI SubForm is deactivated
MouseDblClick 5 double-clicked a mouse button
MouseDown 1 pressed mouse button down
MouseEnter 6 moved the mouse into the object
MouseLeave 7 moved the mouse out of the object
MouseMove 3 user has moved the mouse
MouseUp 2 user released a mouse button
MouseWheel 8 user rotated the mouse wheel
MsgBtn1 61 user selected first button in a MsgBox
MsgBtn2 62 user selected second button in a MsgBox
MsgBtn3 63 user selected third button in a MsgBox
PageActivate 360 user has switched to a new PropertyPage
PageApply 350 user has clicked Apply in a PropertySheet
PageBack 353 user has clicked Back in a PropertySheet
PageCancel 351 user has clicked Cancel in a PropertySheet
PageChanged 356 user has altered Changed property of a PropertyPage
PageDeactivate 361 user has switched to a new PropertyPage
PageFinish 355 user has clicked Finish in a PropertySheet
PageHelp 352 user has clicked Help in a PropertySheet
PageNext 354 user has clicked Next in a PropertySheet
PreCreate 534 Reported when an instance of an ActiveXControl is created
Protected 470 user has attempted to alter protected text in a RichEdit object
Retracting 304 reported by a TreeView object as it is about to retract
Scroll 37 requested a movement of the thumb in scrollbar
SelDateChange 265 reported when the user changes the date that is selected in a Calendar object
Select 30 user has selected the object
SelectCertificate 848 triggered when an HTMLRenderer requests a resource that requires a certificate
ServiceNotification 94 reported when Windows requests a change in the state of an APL service
SetColSize 176 generated when column width changes in a Grid
SetItemPosition 322 generated when the user drag-drops an item in a ListView
SetRowSize 175 generated when row height changes in a Grid
SetSpinnerText 421 user has clicked a spin button in a Spinner object
SetWizard 365 user has clicked Next or Back in a PropertySheet
ShowComment 223 generated when the user rests the mouse pointer over a commented cell
Spin 420 user has clicked a spin button in a Spinner object
Splitting 281 reported while a Splitter object is being dragged, between a StartSplit and an EndSplit
StartSplit 280 reported when the user depresses the left mouse button over a Splitter object
StateChange 35 Form is about to change state
SysColorChange 134 system colour scheme has changed
TCPAccept 371 reported when a client connects to a server TCPSocket object
TCPClose 374 reported when the remote end of a TCP/IP connection breaks the connection
TCPConnect 372 reported when a server accepts the connection of a client TCPSocket object and is reported by the client
TCPError 370 generated when a fatal TCP/IP error occurs and is reported by a TCPSocket object
TCPGotAddr 377 reported when a host name (specified by the RemoteAddrName or LocalAddrName property) is resolved to an IP address
TCPGotPort 378 reported when a port name (specified by the RemotePortName or LocalPortName property) is resolved to a port number
TCPReady 379 reported when the TCP/IP buffers are free and there is no data waiting to be sent in the internal APL queue
TCPRecv 373 reported when data is received by a TCPSocket object
ThumbDrag 440 user is dragging the thumb in a TrackBar
Timer 140 event generated by a Timer object
VScroll 38 requested movement in vertical scrollbar of Form
VThumbDrag 441 user has dragged the thumb of the vertical scrollbar of a Form or SubForm
WebSocketClose 843 triggered when the HTMLRenderer client closes a WebSocket
WebSocketError 844 triggered when an error occurs on a WebSocket
WebSocketReceive 842 triggered when data is received over a WebSocket
WebSocketUpgrade 841 reported when the client component of an HTMLRenderer object opens a WebSocket
WinIniChange 133 WIN.INI has changed