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ComboBox Methods (Typed)

X#

The ComboBox type exposes the following members.

Functions
  NameDescription
Public methodActivate
Provide a method that is invoked when the control has focus and a window is activated.

(Inherited from Control.)
Public methodAddChild (Inherited from Control.)
Public methodAddItem
Add a new item to a list box at a specified position.
(Inherited from ListBox.)
Public methodAsString (Inherited from Control.)
Public methodBringToFront (Inherited from Control.)
Public methodChangeSelected
Change a range of items in a multiple selection list box to a specified selection.
(Inherited from ListBox.)
Public methodClear (Inherited from ListBox.)
Public methodClearSelection
Clear a multiple selection list box of all selections.
(Inherited from ListBox.)
Public methodCreate (Overrides Create.)
Public methodCreateWindowEx (Inherited from Control.)
Public methodDeactivate
Provide a method that is invoked when the control has focus and a window is deactivated.

(Inherited from Control.)
Public methodDefault
Call the default windows procedure for a control and set the EventReturnValue.
(Inherited from Control.)
Public methodDeleteItem
Remove an item from a list box.
(Inherited from ListBox.)
Public methodDeselectItem
Turn off the selection of a specified item in a list box.
(Inherited from ListBox.)
Public methodDestroy
Provide a method to de-instantiate any TextControl.Destroy object.
(Inherited from TextControl.)
Public methodDisable
Disable a control (until a subsequent call to Control:Enable()).
(Inherited from Control.)
Public methodDisableTheme
Disable the WinXP theme for a control.
(Inherited from Control.)
Public methodDispatch
Provide the prototype dispatcher for events within the system when the control has focus; routing various events to their appropriate event handlers.

(Inherited from Control.)
Public methodDrop (Inherited from Control.)
Public methodEnable
Enable a control that was previously disabled.
(Inherited from Control.)
Public methodEnableItemDrag
Turn the list box into a drag list box.
(Inherited from ListBox.)
Public methodExpose
Provide a method that is invoked when the control has focus and whenever part of the window needs repainting.

(Inherited from Control.)
Public methodFillUsing (Overrides FillUsing(Usual, Usual, Usual).)
Public methodCode exampleFillUsingBySortedList
Specify the set of values to be displayed in the list box, using an array or a data server. These values act as a constraint on the values that may be entered in the list box, and optionally as a translation between program values and display values.
(Inherited from ListBox.)
Public methodFindItem
Search a list box for a specified string, and return the location of the first item in the list box that matches it.
(Inherited from BaseListBox.)
Public methodFirstSelected
Returns the position of the first item selected in a multiple selection list box, or 0 if no item is selected.
(Inherited from ListBox.)
Public methodFocusChange
Provide a method that is invoked when the control has focus and the input focus changes from the current control to another (or vice versa).

(Inherited from Control.)
Public methodGetItem
Retrieve the text of a specified list box item.
(Inherited from BaseListBox.)
Public methodGetItemDisplayValue (Inherited from BaseListBox.)
Public methodGetItemValue (Inherited from BaseListBox.)
Public methodGetOptimalWidth (Inherited from ListBox.)
Public methodHandle
Return the handle for a control.
(Inherited from Control.)
Public methodHasBorder
Check if a border has been set for the control
(Inherited from Control.)
Public methodHasStyle
Check if a style value has been set for the control
(Inherited from Control.)
Public methodHide
Hide a control so it is not visible (until a subsequent call to Control:Show()).
(Inherited from Control.)
Public methodHorizontalScroll
Provide a method that is invoked when the control has focus and a horizontal scroll bar is scrolled.

(Inherited from Control.)
Public methodIme
Return and optionally set whether Input Method Editor is enabled for this text control.
(Inherited from TextControl.)
Public methodIsEnabled
Report if this control is currently enabled.
(Inherited from Control.)
Public methodIsReadOnly
Report if this control is currently readonly.
(Inherited from Control.)
Public methodIsSelected
Determine if the list box item at the specified index position is selected.
(Inherited from ListBox.)
Public methodIsVisible
Report if this control is visible (completely or partially) or hidden.
(Inherited from Control.)
Public methodKeyDown
Provide a method that is invoked when the control has focus and a key on the keyboard is pressed.

(Inherited from Control.)
Public methodKeyUp
Provide a method that is invoked when the control has focus and a key on the keyboard is released.

(Inherited from Control.)
Public methodLinkDF
Connect a control to a data field in a data server.
(Inherited from Control.)
Public methodListFiles Obsolete.
Fill a list box with the names of all files that match the specified path or file name.
(Inherited from ListBox.)
Public methodMenuInit
Provide a method that is invoked when a pop-up menu owned by the control is about to pop up.
(Inherited from Control.)
Public methodMenuSelect
Provide a method that is invoked when an item on a menu owned by the control is highlighted.
(Inherited from Control.)
Public methodMouseButtonDoubleClick
Provide a method that is invoked when the control has focus, the mouse pointer is positioned over the window, and a mouse button is double-clicked.

(Inherited from Control.)
Public methodMouseButtonDown
Provide a method that is invoked when the control has focus, the mouse pointer is positioned over the window, and a mouse button is clicked.

(Inherited from Control.)
Public methodMouseButtonUp
Provide a method that is invoked when the control has focus, the mouse pointer is positioned over the window, and a mouse button is released.
(Inherited from Control.)
Public methodMouseDrag
Provide a method that is invoked when the control has focus and a mouse with one or more buttons clicked is moved in the window.
(Inherited from Control.)
Public methodMouseMove
Provide a method that is invoked when the control has focus and the mouse is moved in the control.
(Inherited from Control.)
Public methodMove
Provide a method that is invoked when the control has focus and the control is moved (either by the user or by the application).
(Inherited from Control.)
Public methodNextSelected
After calling ListBox:FirstSelected(), this method is used to cycle through the remaining items selected in a multiple selection list box.
(Inherited from ListBox.)
Public methodOnControlCreated (Overrides OnControlCreated(IVOControl).)
Public methodOnHandleDestroyed (Inherited from TextControl.)
Public methodOverRide
This is a compatibility method that is no longer used or needed.
(Inherited from Control.)
Public methodPaintBackGround (Inherited from Control.)
Public methodPerformValidations
Perform all the validations defined to this control's field specification (for example, required, maximum and minimum digits, maximum and minimum value, validation rule) and return the result of the test.
(Inherited from Control.)
Public methodRegisterTimer
Register a timer method to be invoked for the control.
(Inherited from Control.)
Public methodRemoveEditBalloonTip
Removes the current BallonTip from the Edit control that has inherited from this class.
(Inherited from TextControl.)
Public methodRePaint
Send an ExposeEvent to repaint the control
(Inherited from Control.)
Public methodResize
Provide a method that is invoked when the control has focus and the control changes size.
(Inherited from Control.)
Public methodRestoreUpdate
Resume all drawing updates for a control (after Control:SuspendUpdate() is called).
(Inherited from Control.)
Public methodSelectItem
Turn on the selection of an item in a list box.
(Inherited from ListBox.)
Public methodSendToBack (Inherited from Control.)
Public methodSetCueBanner(String)
Add a cue banner to the Edit portion of the ComboBox control.
(Overrides SetCueBanner(String).)
Public methodSetCueBanner(String, IntPtr) (Inherited from TextControl.)
Public methodSetExStyle
Set the exstyle for the control.
(Inherited from Control.)
Public methodSetFocus
Pass input focus to a control, thereby directing all mouse and keyboard input to the control.
(Inherited from Control.)
Public methodSetItemValue (Inherited from BaseListBox.)
Public methodSetStyle
Set the style for the control.
(Inherited from Control.)
Public methodSetTabs (Inherited from ListBox.)
Public methodSetTop
Move a specified item to the top of the list box.
(Inherited from BaseListBox.)
Public methodShow
Display a control so it is visible.
(Inherited from Control.)
Public methodShowEditBalloonTip
Add a BallonTip to the Edit control that has inherited from this class.
(Inherited from TextControl.)
Public methodShowToolTip (Inherited from Control.)
Public methodSuspendUpdate
Temporarily suspend all drawing updates for a control; drawing resumes with a call to Control:RestoreUpdate().
(Inherited from Control.)
Public methodTimer
Provide a method to be invoked at specific intervals defined when the timer is registered though the RegisterTimer() method.
(Inherited from Control.)
Public methodValidateControl
This method validates if the control has been created and when not then it triggers the control creation
(Inherited from Control.)
Public methodVerticalScroll
Provide a method that is invoked when the control has focus and a vertical scroll bar is scrolled.
(Inherited from Control.)
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See Also