| Abort | 103 | abort a print job |
| AddChildren | 310 | adds child items to an item in a TreeView |
| AddComment | 220 | adds a comment to a Grid |
| AddItems | 308 | adds items to a TreeView |
| Animate | 29 | produces special effects when showing or hiding objects |
| AnimClose | 291 | closes the AVI file that is currently loaded in an Animation object. |
| AnimOpen | 290 | opens an AVI file in an Animation object. |
| AnimPlay | 292 | plays an AVI clip in an in an Animation object. |
| AnimStop | 293 | stops an AVI clip that is playing in an in an Animation object. |
| Browse | 585 | retained for compatibility with previous versions of Dyalog, but is no longer relevant and has no effect |
| CancelToClose | 367 | changes the buttons in a PropertySheet |
| CellFromPoint | 200 | converts from Grid coordinates to cell coordinates |
| ChooseFont | 240 | displays the standard Windows font selection box |
| ColChange | 159 | sets new values for a column of cells in a Grid |
| ColSorted | 174 | sets the sort image to be displayed in the column title of a Grid |
| DateToIDN | 264 | Converts a date from ⎕TS format into an IDN suitable for use in a Calendar object |
| DelCol | 155 | deletes a column from a Grid object |
| DelComment | 221 | deletes a comment from a Grid |
| DeleteChildren | 311 | deletes child items from a parent item in a TreeView |
| DeleteItems | 309 | deletes items from a TreeView |
| DeleteTypeLib | 521 | removes a loaded Type Library from the workspace |
| DelRow | 154 | deletes a row from a Grid object |
| Detach | 270 | detaches the GUI component from an object |
| DuplicateColumn | 178 | Duplicates a column in a Grid object |
| DuplicateRow | 177 | Duplicates a row in a Grid object |
| ExecuteJavaScript | 839 | Executes JavaScript in an HTMLRenderer object. |
| FileRead | 90 | causes a graphical object to be read from a file |
| FileWrite | 91 | causes a graphical object to be written to a file |
| Flush | 135 | flushes all pending output |
| GetBuildID | 992 | obtains the Build ID of a Dyalog executable. |
| GetCellRect | 201 | obtains the extents of a particular Grid cell |
| GetCommandLine | 145 | obtains the entire command line that was used to start Dyalog APL |
| GetCommandLineArgs | 148 | obtains the command line and arguments (as a nested vector) that was used to start Dyalog APL |
| GetComment | 222 | obtains the comment associated with a cell in a Grid |
| GetEnvironment | 510 | obtains information about one or more Dyalog parameters |
| GetEventInfo | 551 | obtains information about an OLE Control event |
| GetFocus | 511 | obtains the name of the object that currently has the input focus |
| GetItemHandle | 313 | obtains the window handle of an item in a TreeView |
| GetItemPosition | 323 | obtains the position of an item in a ListView |
| GetItemState | 306 | obtains the status of an item in a TreeView |
| GetMethodInfo | 552 | obtains information about an OLE Control method |
| GetMinSize | 275 | Obtains the minimum size that you must specify for a Calendar object for it to display a complete month |
| GetParentItem | 312 | obtains the index of the parent of an item in a TreeView |
| GetPropertyInfo | 550 | obtains information about an OLE Control property |
| GetServiceState | 92 | obtains the state of an APL service |
| GetTextSize | 146 | obtains the size of the bounding rectangle of a text item in a given font |
| GetTypeInfo | 553 | obtains information about an OLE Control data type |
| GetVisibleRange | 262 | Obtains the range of dates that is currently visible in a Calendar object |
| GreetBitmap | 138 | Displays or remove a bitmap, typically during initialisation of a Dyalog runtime application |
| IDNToDate | 263 | Used to convert a date from an IDN into ⎕TS format |
| ListTypeLibs | 520 | Obtains the names and CLSIDs of all the loaded Type Libraries. |
| LockColumns | 227 | Locks/unlocks columns in a Grid object |
| LockRows | 226 | Locks/unlocks rows in a Grid object |
| MakeGIF | 261 | Generates a GIF representation of a picture from a Bitmap object |
| MakePNG | 260 | Generates a PNG representation of a picture from a Bitmap object |
| MDIArrange | 112 | MDIClient to arrange minimised SubForm icons |
| MDICascade | 110 | MDIClient to overlap its SubForm s |
| MDITile | 111 | MDIClient to rearrange SubForm s in row or column |
| NameFromHandle | 136 | obtains the name of an object from its handle |
| NewPage | 102 | throws a new page on a Printer |
| OLEAddEventSink | 540 | Connects a named event sink to a COM object |
| OLEDeleteEventSink | 541 | Disconnects a named event sink from a COM object |
| OLEListEventSinks | 542 | Returns the names of event sinks that are currently connected to a COM object |
| OLEQueryInterface | 543 | Used to obtain the methods and properties associated with a particular interface that is provided by a COM object |
| OLERegister | 530 | used to register an OLEServer object and may be used to install Dyalog OLE Servers as part of a run-time installation |
| OLEUnregister | 531 | used to unregister an OLEServer object that has previously been saved by Dyalog APL |
| Print | 100 | spools Printer output |
| PrintToPDF | 845 | writes the content displayed in an HTMLRenderer object to a specified file in Portable Document Format (pdf). |
| ProgressStep | 250 | increments the thumb in a ProgressBar |
| RowChange | 158 | sets new values for a row of cells in a Grid |
| RowSetVisibleDepth | 173 | set the maximum visible depth of data in rows of a Grid |
| RTFPrint | 461 | prints the contents of a RichEdit |
| RTFPrintSetup | 460 | displays a print setup dialog box |
| SetCellSet | 171 | changes CellSet property for a cell in a Grid . |
| SetCellType | 156 | changes CellTypes property for a cell in a Grid |
| SetEventInfo | 547 | Used to register an event that may be generated by an ActiveXControl object |
| SetFinishText | 366 | sets the caption of the Finish button in a Wizard-style PropertySheet . |
| SetFnInfo | 545 | Used to describe an APL function that is to be exported as a method, or as a property, of an ActiveXControl object |
| SetServiceState | 93 | sets the state of an APL service |
| SetItemImage | 315 | allocates a picture icon to an item in a TreeView |
| SetItemState | 307 | sets the status of an item in a TreeView |
| SetMethodInfo | 556 | Used to describe a method that is exported by a COM object |
| SetPropertyInfo | 554 | Used to describe a property that is exported by a COM object |
| Setup | 101 | displays printer setup dialog box |
| SetVarInfo | 546 | Used to describe an APL variable that is to be exported as a property of an ActiveXControl object |
| ShowBalloonTip | 860 | displays a BalloonTip |
| ShowDevTools | | shows or hides the CEF development tools window that displays information about HTMLRenderer content |
| ShowHelp | 580 | displays the help file associated with an OLE Control |
| ShowItem | 316 | displays a particular item in a TreeView |
| ShowProperties | 560 | displays the property sheet associated with an OLE Control |
| TCPGetHostID | 376 | obtains the IP Address of your PC |
| TCPSend | 375 | used to send data to a remote process connected to a TCPSocket object |
| TCPSendPicture | 380 | Transmits a picture represented by a Bitmap object to a TCP/IP socket |
| Undo | 170 | reverses last change made to a Grid object |
| Wait | 147 | same as executing ⎕DQ on the object |
| WebSocketSend | 847 | sends data to a WebSocket |