4D v13.4

Form Events

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4D v13.4
Form Events

Form Events 

 

Constant  Type Value Comment
On Activate  Longint 11 The form’s window becomes the frontmost window
On After Edit  Longint 45 The contents of the enterable object that has the focus has just been modified
On After Keystroke  Longint 28 A character is about to be entered in the object that has the focus. Get edited text returns the object's text including this character.
On After Sort  Longint 30 (List box only) A standard sort has just been carried out in a list box column
On Arrow Click  Longint 38 (3D buttons only) The “arrow” area of a 3D button is clicked
On Before Data Entry  Longint 41 (List box only) A list box cell is about to change to editing mode
On Before Keystroke  Longint 17 A character is about to be entered in the object that has the focus. Get edited text returns the object's text without this character.
On Begin Drag Over  Longint 46 An object is being dragged
On Begin URL Loading  Longint 47 (Web areas only) A new URL is loaded in the Web area
On bound variable change  Longint 54 The variable bound to a subform is modified.
On Clicked  Longint 4 A click occurred on an object
On Close Box  Longint 22 The window’s close box has been clicked
On Close Detail  Longint 26 You left the input form and are going back to the output form
On Collapse  Longint 44 (Hierarchical lists and hierarchical list boxes) An element of the hierarchical list or hierarchical list box has been collapsed using a click or a keystroke
On Column Moved  Longint 32 (List box only) A list box column is moved by the user via drag and drop
On Column Resize  Longint 33 (List box only) The width of a list box column is modified
On Data Change  Longint 20 Object data has been modified
On Deactivate  Longint 12 The form’s window ceases to be the frontmost window
On Delete Action  Longint 58 (Hierarchical lists and List boxes) The user attempts to delete an item
On Display Detail  Longint 8 A record is about to be displayed in a list or a row is about to be displayed in a list box.
On Double Clicked  Longint 13 A double click occurred on an object
On Drag Over  Longint 21 Data could be dropped onto an object
On Drop  Longint 16 Data has been dropped onto an object
On End URL Loading  Longint 49 (Web areas only) All the resources of the URL have been loaded
On Expand  Longint 43 (Hierarchical lists and hierarchical list boxes) An element of the hierarchical list or hierarchical list box has been expanded using a click or a keystroke
On Footer Click  Longint 57 (List boxes only) A click occurs in the footer of a list box or a list box column
On Getting Focus  Longint 15 A form object is getting the focus
On Header  Longint 5 The form’s header area is about to be printed or displayed
On Header Click  Longint 42 (List box only) A click occurs in a column header of the list box
On Load  Longint 1 The form is about to be displayed or printed
On Load Record  Longint 40 During entry in list, a record is loaded during modification (the user clicks on a record line and a field changes to editing mode)
On Long Click  Longint 39 (3D buttons only) A 3D button is clicked and the mouse button remains pushed for a certain lapse of time
On Losing Focus  Longint 14 A form object is losing the focus
On Mac toolbar button  Longint 55 The user clicks on the tool bar management button under Mac OS.
On Menu Selected  Longint 18 A menu item has been chosen
On Mouse Enter  Longint 35 The mouse cursor enters the graphic area of an object
On Mouse Leave  Longint 36 The mouse cursor leaves the graphic area of an object
On Mouse Move  Longint 37 The mouse cursor moves (at least one pixel) within the graphic area of an object
On Open Detail  Longint 25 A record is double clicked and you are going to the input form
On Open External Link  Longint 52 (Web areas only) An external URL has been opened in the browser
On Outside Call  Longint 10 The form received a CALL PROCESS call
On Page Change  Longint 56 The current page of the form is changed
On Picture Scroll  Longint 59 The user scrolls the contents of a picture field or variable using the mouse or keyboard.
On Plug in Area  Longint 19 An external object requested its object method to be executed
On Printing Break  Longint 6 One of the form’s break areas is about to be printed
On Printing Detail  Longint 23 The form’s detail area is about to be printed
On Printing Footer  Longint 7 The form’s footer area is about to be printed
On Resize  Longint 29 The form window is resized
On Row Moved  Longint 34 (List box only) A list box row is moved by the user via drag and drop
On Selection Change  Longint 31
  • List box: The current selection of rows or columns is modified
  • Records in list: The current record or the current selection of rows is modified in a list form or subform
  • Hierarchical list: The selection in the list is modified following a click or a keystroke
  • Enterable field or variable (v12.x only): The text selection or the position of the cursor in the area is modified following a click or a keystroke
On Timer  Longint 27 The number of ticks defined by the SET TIMER command has passed
On Unload  Longint 24 The form is about to be exited and released
On URL Filtering  Longint 51 (Web areas only) A URL was blocked by the Web area
On URL Loading Error  Longint 50 (Web areas only) An error occurred when the URL was loading
On URL Resource Loading  Longint 48 (Web areas only) A new resource is loaded in the Web area
On Validate  Longint 3 The record data entry has been validated
On Window Opening Denied  Longint 53 (Web areas only) A pop-up window has been blocked
 
PROPERTIES 

Product: 4D
Theme: List of constant themes

 
SEE ALSO 

Form event