Events for TrackBar
View event list in hierarchical order.
| Name | Description | Defining Class |
|---|---|---|
| Activating | Sent by the object to itself whenever the object is first activated (placed on the screen) | cUIObject |
| Command | Sent from external controls | DfBaseUIWindow |
| Construct_Object | Object constructor. Initializes the object during object creation in class definitions | cObject |
| Deactivating | Sent to the object when it is being removed from the focus tree | cUIObject |
| Destroy_Object | Sent when an object is about to be destroyed | cObject |
| End_Construct_Object | End of object constructor. | cObject |
| Entering | Fires when the focus is about to move to a new object, sent to the object receiving the focus | cUIObject |
| Entering_Scope | Sent to the object if its scope_state is true, and one of the objects within its scope takes the focus | cUIObject |
| Error_Report | Used by the error object to display errors | cUIObject |
| Exiting | Fires when the focus is about to move to a new object, sent to the object losing the focus | cUIObject |
| Exiting_Scope | Sent whenever the focus is moving to an object that is outside the current scope | cUIObject |
| Form_Button_Mouse_Down | A notification that the form's button has been selected with the mouse | DfBaseObject |
| Form_Button_Notification | Augmented to give the object the focus (if it is not already the focus object) and, if the focus is successful, to send the prompt message | Form |
| Item_Change | A programming hook to perform an action when moving to another item | DfBaseList |
| Key | Augmented to implement the GUI keyboard interface | DfBaseList |
| Mouse_Click | Sent whenever the first button of the mouse is double clicked on an item or in the edit window of the object | cUIObject |
| Mouse_Click2 | Sent whenever the second button of the mouse is double clicked on an item or in the edit window of the object | cUIObject |
| Mouse_Down | Sent whenever the first button of the mouse is pressed down while on an item or in the edit window of the object | cUIObject |
| Mouse_Down2 | Sent whenever the second button of the mouse is pressed down while on an item or in the edit window of the object | cUIObject |
| Mouse_Drag | Sent whenever the first button of the mouse is being held down while users drag the mouse cursor from one item or edit line of the object to the next | cUIObject |
| Mouse_Drag2 | Sent whenever the second button of the mouse is being held down while users drag the mouse cursor from one item or edit line of the object to the next | cUIObject |
| Mouse_Up | Sent whenever the first button of the mouse is released while on an item is in the edit window of the object | cUIObject |
| Mouse_Up2 | Sent whenever the second button of the mouse is released while on an item is in the edit window of the object | cUIObject |
| Notify_Application_Activation | Sends OnActivateApp or OnDeactivateApp | DfBaseObject |
| OnBeginningOfPanel | Sent by panel to notify all its objects when a beginning_of_panel message is executed | Form |
| OnChange | Called whenever the value of an item is changed either by the user (a keypress or mouse event) or by an explicit set value message | Form |
| OnChildWrapping | Called any time a wrapping event occurs | cUIObject |
| OnDeltaPos | Provides actions based on the amount of change in this object and/or its value at the point the focus is moved off it | DfBaseObject |
| OnEnterArea | Hook for entering an area, sent to the entered object's container and its parent containers | cUIObject |
| OnEnterObject | Hook for entering an object, sent to the entered object | cUIObject |
| OnExitArea | Hook for exiting an area, sent to the exited object's container and its parent containers | cUIObject |
| OnExitObject | Hook for exiting an object, sent to the exited object | cUIObject |
| OnFinishedSliding | Sent whenever the slider has stopped moving by either the mouse or keyboard interface | TrackBar |
| OnGoneToEnd | Sent when a user pressed the End key to take the slider to the end | TrackBar |
| OnGoneToStart | Sent when a user pressed the Home key to return the slider to the beginning of the track | TrackBar |
| OnKillFocus | Sent whenever the object is about to lose the focus | Form |
| OnLineDown | Sent when a user presses one of the arrow keys to increment the Current_Position by the value of Line_Size | TrackBar |
| OnLineUp | Sent when a user presses one of the arrow keys todecrement the Current_Position by the value of Line_Size | TrackBar |
| OnMaxText | Fires when maximum text size is exceeded | Form |
| OnPageDown | Sent when a user presses the PageDown key to increment the Current_Position by the value of Page_Size | TrackBar |
| OnPageUp | Sent when a user presses the PageUp key to decrement the Current_Position by the value of Page_Size | TrackBar |
| OnSetFocus | Sent whenever windows is about to give this object the focus | Form |
| OnSetPosition | Sent whenever the value of Current_Position changes | TrackBar |
| OnSliding | Sent when a user drags the slider with the mouse | TrackBar |
| Page | Used internally to create a Windows control for a DataFlex object | cUIObject |
| Page_Delete | Used internally to delete a Windows control for a DataFlex object | cUIObject |
| Prompt_Callback | Sends a callback event to an object that requested a prompt object | Form |
| Shadow_Display | Creates the proper shadowed or unshadowed appearance for this object and its label | Form |