The SalListBox type exposes the following members.

Constructors

  NameDescription
Public methodSalListBox
Constructs a SalListBox object.

Methods

  NameDescription
Public methodAddListItem
Adds a string to a list box or combo box.
Public methodBringWindowToTop
Brings a window to the top of all overlapping windows.
Public methodCenterWindow
Centers a window. If the window is a top-level window, it centers it on the desktop. If the window is a child window, it centers it on top of its parent.
Public methodClear
Clears the value from a data field, multiline field, or table window column.
Public methodClearCursor
Clears a window's cursor.
Public methodClearList
Deletes all entries from a list box or combo box.
Public methodDeleteListItem
Deletes a list box or combo box entry.
Public methodDestroyWindow
Destroys a form window, a top-level table window, or a modeless dialog box created with SalCreateWindow.
Public methodDisableWindow
Disables keyboard and mouse input to a window. If the window contains text (for example, a push button), the text is grayed. If the window is a data field, it cannot receive the focus.
Public methodDisableWindowAndLabel
Disables keyboard and mouse input to a window and grays out its associated label. A label is the label control that immediately precedes the window in the outline. The label control must have a mnemonic. If the window contains text (for example, a push button), the text is grayed. If the window is a data field, it cannot receive the focus.
Public methodEnableWindow
Enables keyboard and mouse input to a window.
Public methodEnableWindowAndLabel
Enables keyboard and mouse input to a window and enables its associated label as well. A label is the label control that immediately precedes the window in the outline.
Public methodFindChild
This function finds a child window of a given name in the specified window.
Public methodFormUnitsToPixels
Computes the number of pixels in the number of form units. Form units are a unit of measurement used by functions which move and position objects. Form units are computed using physical units (pixels) in conjunction with the window's font size.
Public methodGetClassName
Return the name of a window's class as a string.
Public methodGetControlType
Returns an object's type.
Public methodGetDataType
Returns a data field's or table window column's data type.
Public methodGetFirstChild
Returns the handle of the first child window of the specified type. You can use this function to get the handles of MDI child windows.
Public methodGetFont
Gets a window's font name, size, and enhancements.
Public methodGetLabel
Retrieves the window handle of the label (label control) that is associated with the hWndTarget parameter. There must be a mnemonic in that label, and it must immediately precede hWndTarget in the outline, or this function will fail.
Public methodGetLabelText(SalNumber)
Retrieves the text of the label associated to a control. Important: The label control does not require a mnemonic for the functions listed above to operate.
Public methodGetLabelText(SalString%, SalNumber)
Retrieves the text of the label associated to a control. Important: The label control does not require a mnemonic for the functions listed above to operate.
Public methodGetListItemsCount
Returns the number of list box or combo box entries.
Public methodGetListItemState
Determines whether the specified list box or combo box entry is selected.
Public methodGetListItemText(SalNumber)
Returns the text of the specified item.
Public methodGetListItemText(SalNumber, SalString%)
Returns the text of the specified item.
Public methodGetListItemTextLength
Returns the length of a list box or combo box entry.
Public methodGetListSelectedFile()()()()
Fetches the selected directory or file name from a list box or combo box.
Public methodGetListSelectedFile(SalString%)
Fetches the selected directory or file name from a list box or combo box.
Public methodGetListSelectedIndex
Returns the index of the selected entry in a combo box or single-selection list box.
Public methodGetListSelectedItems
Returns an array of index numbers of selected list box entries.
Public methodGetListSelectedItemsCount
Returns the number of selected entries in a multiple-selection list box. Specify single- or multiple-selection in the list box's customizer.
Public methodGetLocation
Returns a window's current position on the X and Y axes.
Public methodGetName()()()()
Gets the name of an object.
Public methodGetName(SalString%)
Gets the name of an object.
Public methodGetNextChild
Returns the handle of the next child window that matches a specified type.
Public methodGetParent
Returns the handle of an object's parent window.
Public methodGetProperty(SalString)
Gets the value of a named property.
Public methodGetProperty(SalString, SalString%)
Gets the value of a named property.
Public methodGetSize
Returns a window's size.
Public methodGetText(SalNumber)
Retrieves the text of a window.
Public methodGetText(SalString%, SalNumber)
Retrieves the text of a window.
Public methodGetWindowColor
Gets a window's color.
Public methodGetWindowState
Returns a window's current state.
Public methodHideWindow
Hides a window.
Public methodHideWindowAndLabel
Hides a window and its associated label.
Public methodInsertListItem
Inserts an entry into a list box or combo box at a specified position.
Public methodInvalidateWindow
Causes a window to be repainted.
Public methodIsDerivedFromClass
Determines whether a window is an instance of the specified class.
Public methodIsEnabled
Determines whether a window is enabled for mouse and keyboard input.
Public methodIsModified
Returns the setting of the Field Edit Flag for a data field, multiline field, combo box, table window's context row cell, or picture.
Public methodIsVisible
Determines whether a window is currently visible.
Public methodKillTimer
Destroys an object's system timer.
Public methodMoveWindow
Moves a window a given number of form units on the X and Y axes relative to its current position.
Protected methodOnDoubleClick (Overrides Control..::..OnDoubleClick(EventArgs).)
Protected methodOnKeyPress (Overrides Control..::..OnKeyPress(KeyPressEventArgs).)
Protected methodOnMouseDown (Overrides Control..::..OnMouseDown(MouseEventArgs).)
Protected methodOnReadOnlyChanged
Called when the ReadOnly property has changed.
Public methodPixelsToFormUnits
Computes the number of form units based on the number of pixels. Form units are a unit of measurement used by functions that move and position objects. Form units are computed using physical units (pixels) in conjunction with a window's font sizes.
Public methodPopulateList(SalSqlHandle, SalString)
Populates a list box or combo box with a result set. SalListPopulate overrides any settings made with SalListSetTabs. If the SELECT statement returns data from multiple columns, each column's data displayed in a list box is separated by tabs. However, due to a Microsoft Windows limitation, each column's data displayed in a combo box is separated by a single '|' character. There is no space between one column's data, the separator character, and another column's data.
Public methodPopulateList(SalSqlHandle, SalString, WhenSqlErrorHandler)
Populates a list box or combo box with a result set. SalListPopulate overrides any settings made with SalListSetTabs. If the SELECT statement returns data from multiple columns, each column's data displayed in a list box is separated by tabs. However, due to a Microsoft Windows limitation, each column's data displayed in a combo box is separated by a single '|' character. There is no space between one column's data, the separator character, and another column's data.
Public methodPopulateListFiles
Populates a list box or combo box with a directory of files.
Public methodPostMessage
Posts the specified message to a window by adding nMsg to hWndReceiver's message queue.
Public methodSendMessage
Sends the specified message to a window. SalSendMsg does not return until the processing for the message is complete.
Public methodSendMessageToChildren
Sends a message to all child items of a form window, dialog box, table window, or MDI window.
Public methodSetContextMenu(Type, SalNumber)
Defines a named popup menu that displays automatically when a window receives SAM_ContextMenu.
Public methodSetContextMenu(SalString, SalNumber)
Defines a named popup menu that displays automatically when a window receives SAM_ContextMenu.
Public methodSetCursor(Int32, SalNumber)
Sets a window's cursor.
Public methodSetCursor(SalResourceCursor, SalNumber)
Sets a window's cursor.
Public methodSetCursor(SalString, SalNumber)
Sets a window's cursor from a string variable.
Public methodSetCursorFile
Sets an application-defined cursor for the specified window. Use this function to set the cursor from an image stored in a file.
Public methodSetFocus
Sets the focus to a specified window.
Public methodSetFont
Sets a window's font, font size, and font enhancements.
Public methodSetLabelText
Sets the text of the associaetd label control.
Public methodSetListRedraw
Redraws entries in a list box or combo box, or prevents them from being redrawn.
Public methodSetListSelectedIndex
Selects or deselects a combo box or single-selection list box entry.
Public methodSetListSelectedItems
Selects or deselects a combo box or multiple-selection list box entry.
Public methodSetListSelectedText
Finds and selects a combo box or single-selection list box entry.
Public methodSetListTabStops
Sets tabs in a list box.
Public methodSetLocation
Moves a window to a new position (x, y) on the X and Y axes.
Public methodSetModified
Sets or clears the field edit flag for an editable data field, combo box, multiline text field, table window column, or picture.
Public methodSetProperty
Sets the value of a named property.
Public methodSetSize
Resizes a window.
Public methodSetText
Sets the text of a window.
Public methodSetTimer
Creates a system timer for a given object. When a timer event occurs, sends SAM_Timer messages to the object in specified intervals. Timers are a limited global resource. Your application must check the value returned by SalTimerSet to verify that the timer was created.
Public methodSetWindowColor
Sets a window's color.
Protected methodSetVisibleCore (Overrides Control..::..SetVisibleCore(Boolean).)
Public methodShowWindow
Makes a window visible.
Public methodShowWindowAndLabel
Makes a window and its associated label visible. A label is the label control that immediately precedes the window in the outline.
Public methodTrackPopupMenu(Type, SalNumber, SalNumber, SalNumber)
Creates pop-up menus at runtime.
Public methodTrackPopupMenu(SalString, SalNumber, SalNumber, SalNumber)
Creates pop-up menus at runtime.
Public methodUpdateWindow
Forces the update of a window.
Public methodWinHelp
Starts the Windows help system.
Protected methodWndProc
Redirect Windows message to the implementation object.
(Overrides ListBox..::..WndProc(Message%).)
Public methodYield
Processes messages for this control.

Fields

  NameDescription
Public field_derived
Instance of the derived object that inherits this class as a second base in a multiple inheritance tree.

Properties

  NameDescription
Public propertyDesigntimeVisible
Returns true if the object was designed as visible.
Public propertyLabel
Returns/Sets the label associated with this control.
Public propertyNamedProperties
Returns the collection of named properties.
Public propertyReadOnly
Returns/Sets the ReadOnly flag for the ListBox control. When the ListBox is ReadOnly, it can still get the focus and be scrolled.
Public propertySelectedIndex (Overrides ListBox..::..SelectedIndex.)

Events

  NameDescription
Public eventMessageActions
Public eventReadOnlyChanged
Fired when the ReadOnly property is altered.

See Also