Class IZ_CCombo
- All Implemented Interfaces:
- Drawable
- Field Summary
- Constructor SummaryConstructors
- Method SummaryModifier and TypeMethodDescription- voidAdds the argument to the end of the receiver's list.- voidAdds the argument to the receiver's list at the given zero-relative index.- void- addModifyListener- (ModifyListener listener) Adds the listener to the collection of listeners who will be notified when the receiver's text is modified, by sending it one of the messages defined in the- ModifyListenerinterface.- void- addSelectionListener- (SelectionListener listener) Adds the listener to the collection of listeners who will be notified when the user changes the receiver's selection, by sending it one of the messages defined in the- SelectionListenerinterface.- void- addVerifyListener- (VerifyListener listener) Adds the listener to the collection of listeners who will be notified when the receiver's text is verified, by sending it one of the messages defined in the- VerifyListenerinterface.- voidSets the selection in the receiver's text field to an empty selection starting just before the first character.- computeSize- (int wHint, int hHint, boolean changed) - void- copy()Copies the selected text.- void- cut()Cuts the selected text.- void- deselect- (int index) Deselects the item at the given zero-relative index in the receiver's list.- voidDeselects all selected items in the receiver's list.- intReturns the horizontal alignment.- Control[]- booleanGets the editable state.- getItem- (int index) Returns the item at the given, zero-relative index in the receiver's list.- intReturns the number of items contained in the receiver's list.- intReturns the height of the area which would be used to display one of the items in the receiver's list.- String[]- getItems()Returns an array of- Strings which are the items in the receiver's list.- booleanReturns- trueif the receiver's list is visible, and- falseotherwise.- getMenu()Returns a- Pointwhose x coordinate is the start of the selection in the receiver's text field, and whose y coordinate is the end of the selection.- intReturns the zero-relative index of the item which is currently selected in the receiver's list, or -1 if no item is selected.- getShell()- int- getStyle()- getText()Returns a string containing a copy of the contents of the receiver's text field.- intReturns the height of the receivers's text field.- intReturns the maximum number of characters that the receiver's text field is capable of holding.- intGets the number of items that are visible in the drop down portion of the receiver's list.- intSearches the receiver's list starting at the first item (index 0) until an item is found that is equal to the argument, and returns the index of that item.- intSearches the receiver's list starting at the given, zero-relative index until an item is found that is equal to the argument, and returns the index of that item.- boolean- void- paste()Pastes text from clipboard.- void- redraw()- void- redraw- (int x, int y, int width, int height, boolean all) - void- remove- (int index) Removes the item from the receiver's list at the given zero-relative index.- void- remove- (int start, int end) Removes the items from the receiver's list which are between the given zero-relative start and end indices (inclusive).- voidSearches the receiver's list starting at the first item until an item is found that is equal to the argument, and removes that item from the list.- voidRemoves all of the items from the receiver's list and clear the contents of receiver's text field.- void- removeModifyListener- (ModifyListener listener) Removes the listener from the collection of listeners who will be notified when the receiver's text is modified.- void- removeSelectionListener- (SelectionListener listener) Removes the listener from the collection of listeners who will be notified when the user changes the receiver's selection.- void- removeVerifyListener- (VerifyListener listener) Removes the listener from the collection of listeners who will be notified when the control is verified.- void- select- (int index) Selects the item at the given zero-relative index in the receiver's list.- void- setAlignment- (int align) Set the horizontal alignment of the CCombo.- void- setBackground- (Color color) - void- setEditable- (boolean editable) Sets the editable state.- void- setEnabled- (boolean enabled) - boolean- setFocus()- void- void- setForeground- (Color color) - voidSets the text of the item in the receiver's list at the given zero-relative index to the string argument.- voidSets the receiver's list to be the given array of items.- voidSets the layout which is associated with the receiver to be the argument which may be null.- void- setListVisible- (boolean visible) Marks the receiver's list as visible if the argument is- true, and marks it invisible otherwise.- void- void- setSelection- (Point selection) Sets the selection in the receiver's text field to the range specified by the argument whose x coordinate is the start of the selection and whose y coordinate is the end of the selection.- voidSets the contents of the receiver's text field to the given string.- void- setTextLimit- (int limit) Sets the maximum number of characters that the receiver's text field is capable of holding to be the argument.- void- setToolTipText- (String string) - void- setVisible- (boolean visible) - void- setVisibleItemCount- (int count) Sets the number of items that are visible in the drop down portion of the receiver's list.- boolean- traverse- (int event) - Methods inherited from class org.eclipse.swt.widgets.Composite- changed, checkSubclass, drawBackground, getBackgroundMode, getLayout, getLayoutDeferred, getTabList, isLayoutDeferred, layout, layout, layout, layout, layout, setBackgroundMode, setLayoutDeferred, setTabList, toString- Methods inherited from class org.eclipse.swt.widgets.Scrollable- computeTrim, getClientArea, getHorizontalBar, getScrollbarsMode, getVerticalBar, setScrollbarsMode- Methods inherited from class org.eclipse.swt.widgets.Control- addControlListener, addDragDetectListener, addFocusListener, addGestureListener, addHelpListener, addKeyListener, addMenuDetectListener, addMouseListener, addMouseMoveListener, addMouseTrackListener, addMouseWheelListener, addPaintListener, addTouchListener, addTraverseListener, computeSize, dragDetect, dragDetect, forceFocus, getAccessible, getBackground, getBackgroundImage, getBorderWidth, getBounds, getCursor, getDragDetect, getEnabled, getFont, getForeground, getLayoutData, getLocation, getMonitor, getOrientation, getParent, getRegion, getSize, getTextDirection, getToolTipText, getTouchEnabled, getVisible, internal_dispose_GC, internal_new_GC, isEnabled, isReparentable, isVisible, moveAbove, moveBelow, pack, pack, print, removeControlListener, removeDragDetectListener, removeFocusListener, removeGestureListener, removeHelpListener, removeKeyListener, removeMenuDetectListener, removeMouseListener, removeMouseMoveListener, removeMouseTrackListener, removeMouseWheelListener, removePaintListener, removeTouchListener, removeTraverseListener, requestLayout, setBackgroundImage, setBounds, setBounds, setCapture, setCursor, setDragDetect, setLayoutData, setLocation, setLocation, setOrientation, setParent, setRedraw, setRegion, setSize, setSize, setTextDirection, setTouchEnabled, toControl, toControl, toDisplay, toDisplay, traverse, traverse, update- Methods inherited from class org.eclipse.swt.widgets.Widget- addDisposeListener, addListener, addTypedListener, checkWidget, dispose, getData, getData, getDisplay, getListeners, getTypedListeners, isAutoDirection, isDisposed, isListening, notifyListeners, removeDisposeListener, removeListener, removeListener, removeTypedListener, reskin, setData, setData- Methods inherited from class java.lang.Object- clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait- Methods inherited from interface org.eclipse.swt.graphics.Drawable- isAutoScalable
- Constructor Details- IZ_CComboConstructs a new instance of this class given its parent and a style value describing its behavior and appearance.- The style value is either one of the style constants defined in class - SWTwhich is applicable to instances of this class, or must be built by bitwise OR'ing together (that is, using the- int"|" operator) two or more of those- SWTstyle constants. The class description lists the style constants that are applicable to the class. Style bits are also inherited from superclasses.- Parameters:
- parent- a widget which will be the parent of the new instance (cannot be null)
- style- the style of widget to construct
- Throws:
- IllegalArgumentException-- ERROR_NULL_ARGUMENT - if the parent is null
 
- SWTException-- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
 
- See Also:
 
 
- Method Details- setForeground- Overrides:
- setForegroundin class- Control
 
- setBackground- Overrides:
- setBackgroundin class- Control
 
- addAdds the argument to the end of the receiver's list.- Note: If control characters like '\n', '\t' etc. are used in the string, then the behavior is platform dependent. - Parameters:
- string- the new item
- Throws:
- IllegalArgumentException-- ERROR_NULL_ARGUMENT - if the string is null
 
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
- See Also:
 
- addAdds the argument to the receiver's list at the given zero-relative index.- Note: To add an item at the end of the list, use the result of calling - getItemCount()as the index or use- add(String).- Also note, if control characters like '\n', '\t' etc. are used in the string, then the behavior is platform dependent. - Parameters:
- string- the new item
- index- the index for the item
- Throws:
- IllegalArgumentException-- ERROR_NULL_ARGUMENT - if the string is null
- ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list (inclusive)
 
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
- See Also:
 
- addModifyListenerAdds the listener to the collection of listeners who will be notified when the receiver's text is modified, by sending it one of the messages defined in the- ModifyListenerinterface.- Parameters:
- listener- the listener which should be notified
- Throws:
- IllegalArgumentException-- ERROR_NULL_ARGUMENT - if the listener is null
 
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
- See Also:
 
- addSelectionListenerAdds the listener to the collection of listeners who will be notified when the user changes the receiver's selection, by sending it one of the messages defined in the- SelectionListenerinterface.- widgetSelectedis called when the combo's list selection changes.- widgetDefaultSelectedis typically called when ENTER is pressed the combo's text area.- Parameters:
- listener- the listener which should be notified when the user changes the receiver's selection
- Throws:
- IllegalArgumentException-- ERROR_NULL_ARGUMENT - if the listener is null
 
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
- See Also:
 
- addVerifyListenerAdds the listener to the collection of listeners who will be notified when the receiver's text is verified, by sending it one of the messages defined in the- VerifyListenerinterface.- Parameters:
- listener- the listener which should be notified
- Throws:
- IllegalArgumentException-- ERROR_NULL_ARGUMENT - if the listener is null
 
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
- Since:
- 3.3
- See Also:
 
- clearSelectionpublic void clearSelection()Sets the selection in the receiver's text field to an empty selection starting just before the first character. If the text field is editable, this has the effect of placing the i-beam at the start of the text.- Note: To clear the selected items in the receiver's list, use - deselectAll().- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
- See Also:
 
- computeSize- Overrides:
- computeSizein class- Composite
 
- copypublic void copy()Copies the selected text.- The current selection is copied to the clipboard. - Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
- Since:
- 3.3
 
- cutpublic void cut()Cuts the selected text.- The current selection is first copied to the clipboard and then deleted from the widget. - Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
- Since:
- 3.3
 
- deselectpublic void deselect- (int index) Deselects the item at the given zero-relative index in the receiver's list. If the item at the index was already deselected, it remains deselected. Indices that are out of range are ignored.- Parameters:
- index- the index of the item to deselect
- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- deselectAllpublic void deselectAll()Deselects all selected items in the receiver's list.- Note: To clear the selection in the receiver's text field, use - clearSelection().- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
- See Also:
 
- getAlignmentpublic int getAlignment()Returns the horizontal alignment. The alignment style (LEFT, CENTER or RIGHT) is returned.- Returns:
- SWT.LEFT, SWT.RIGHT or SWT.CENTER
- Since:
- 3.113
 
- getChildren- Overrides:
- getChildrenin class- Composite
 
- getEditablepublic boolean getEditable()Gets the editable state.- Returns:
- whether or not the receiver is editable
- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
- Since:
- 3.0
 
- getItemReturns the item at the given, zero-relative index in the receiver's list. Throws an exception if the index is out of range.- Parameters:
- index- the index of the item to return
- Returns:
- the item at the given index
- Throws:
- IllegalArgumentException-- ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)
 
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- getItemCountpublic int getItemCount()Returns the number of items contained in the receiver's list.- Returns:
- the number of items
- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- getItemHeightpublic int getItemHeight()Returns the height of the area which would be used to display one of the items in the receiver's list.- Returns:
- the height of one item
- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- getItemsReturns an array of- Strings which are the items in the receiver's list.- Note: This is not the actual structure used by the receiver to maintain its list of items, so modifying the array will not affect the receiver. - Returns:
- the items in the receiver's list
- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- getListVisiblepublic boolean getListVisible()Returns- trueif the receiver's list is visible, and- falseotherwise.- If one of the receiver's ancestors is not visible or some other condition makes the receiver not visible, this method may still indicate that it is considered visible even though it may not actually be showing. - Returns:
- the receiver's list's visibility state
- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
- Since:
- 3.4
 
- getMenu
- getSelectionReturns a- Pointwhose x coordinate is the start of the selection in the receiver's text field, and whose y coordinate is the end of the selection. The returned values are zero-relative. An "empty" selection as indicated by the the x and y coordinates having the same value.- Returns:
- a point representing the selection start and end
- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- getSelectionIndexpublic int getSelectionIndex()Returns the zero-relative index of the item which is currently selected in the receiver's list, or -1 if no item is selected.- Returns:
- the index of the selected item
- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- getShell
- getStylepublic int getStyle()
- getTextReturns a string containing a copy of the contents of the receiver's text field.- Returns:
- the receiver's text
- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- getTextHeightpublic int getTextHeight()Returns the height of the receivers's text field.- Returns:
- the text height
- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- getTextLimitpublic int getTextLimit()Returns the maximum number of characters that the receiver's text field is capable of holding. If this has not been changed by- setTextLimit(), it will be the constant- Combo.LIMIT.- Returns:
- the text limit
- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- getVisibleItemCountpublic int getVisibleItemCount()Gets the number of items that are visible in the drop down portion of the receiver's list.- Returns:
- the number of items that are visible
- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
- Since:
- 3.0
 
- indexOfSearches the receiver's list starting at the first item (index 0) until an item is found that is equal to the argument, and returns the index of that item. If no item is found, returns -1.- Parameters:
- string- the search item
- Returns:
- the index of the item
- Throws:
- IllegalArgumentException-- ERROR_NULL_ARGUMENT - if the string is null
 
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- indexOfSearches the receiver's list starting at the given, zero-relative index until an item is found that is equal to the argument, and returns the index of that item. If no item is found or the starting index is out of range, returns -1.- Parameters:
- string- the search item
- start- the zero-relative index at which to begin the search
- Returns:
- the index of the item
- Throws:
- IllegalArgumentException-- ERROR_NULL_ARGUMENT - if the string is null
 
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- isFocusControlpublic boolean isFocusControl()- Overrides:
- isFocusControlin class- Control
 
- pastepublic void paste()Pastes text from clipboard.- The selected text is deleted from the widget and new text inserted from the clipboard. - Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
- Since:
- 3.3
 
- redrawpublic void redraw()
- redrawpublic void redraw- (int x, int y, int width, int height, boolean all) 
- removepublic void remove- (int index) Removes the item from the receiver's list at the given zero-relative index.- Parameters:
- index- the index for the item
- Throws:
- IllegalArgumentException-- ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)
 
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- removepublic void remove- (int start, int end) Removes the items from the receiver's list which are between the given zero-relative start and end indices (inclusive).- Parameters:
- start- the start of the range
- end- the end of the range
- Throws:
- IllegalArgumentException-- ERROR_INVALID_RANGE - if either the start or end are not between 0 and the number of elements in the list minus 1 (inclusive)
 
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- removeSearches the receiver's list starting at the first item until an item is found that is equal to the argument, and removes that item from the list.- Parameters:
- string- the item to remove
- Throws:
- IllegalArgumentException-- ERROR_NULL_ARGUMENT - if the string is null
- ERROR_INVALID_ARGUMENT - if the string is not found in the list
 
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- removeAllpublic void removeAll()Removes all of the items from the receiver's list and clear the contents of receiver's text field.- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- removeModifyListenerRemoves the listener from the collection of listeners who will be notified when the receiver's text is modified.- Parameters:
- listener- the listener which should no longer be notified
- Throws:
- IllegalArgumentException-- ERROR_NULL_ARGUMENT - if the listener is null
 
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
- See Also:
 
- removeSelectionListenerRemoves the listener from the collection of listeners who will be notified when the user changes the receiver's selection.- Parameters:
- listener- the listener which should no longer be notified
- Throws:
- IllegalArgumentException-- ERROR_NULL_ARGUMENT - if the listener is null
 
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
- See Also:
 
- removeVerifyListenerRemoves the listener from the collection of listeners who will be notified when the control is verified.- Parameters:
- listener- the listener which should no longer be notified
- Throws:
- IllegalArgumentException-- ERROR_NULL_ARGUMENT - if the listener is null
 
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
- Since:
- 3.3
- See Also:
 
- selectpublic void select- (int index) Selects the item at the given zero-relative index in the receiver's list. If the item at the index was already selected, it remains selected. Indices that are out of range are ignored.- Parameters:
- index- the index of the item to select
- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- setAlignmentpublic void setAlignment- (int align) Set the horizontal alignment of the CCombo. Use the values LEFT, CENTER and RIGHT to align image and text within the available space.- Parameters:
- align- the alignment style of LEFT, RIGHT or CENTER
- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
- ERROR_INVALID_ARGUMENT - if the value of align is not one of SWT.LEFT, SWT.RIGHT or SWT.CENTER
 
- Since:
- 3.113
 
- setEditablepublic void setEditable- (boolean editable) Sets the editable state.- Parameters:
- editable- the new editable state
- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
- Since:
- 3.0
 
- setEnabledpublic void setEnabled- (boolean enabled) - Overrides:
- setEnabledin class- Control
 
- setFocuspublic boolean setFocus()
- setFont
- setItemSets the text of the item in the receiver's list at the given zero-relative index to the string argument. This is equivalent to- remove'ing the old item at the index, and then- add'ing the new item at that index.- Parameters:
- index- the index for the item
- string- the new text for the item
- Throws:
- IllegalArgumentException-- ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)
- ERROR_NULL_ARGUMENT - if the string is null
 
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- setItemsSets the receiver's list to be the given array of items.- Parameters:
- items- the array of items
- Throws:
- IllegalArgumentException-- ERROR_NULL_ARGUMENT - if the items array is null
- ERROR_INVALID_ARGUMENT - if an item in the items array is null
 
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- setLayoutSets the layout which is associated with the receiver to be the argument which may be null.- Note: No Layout can be set on this Control because it already manages the size and position of its children. - Overrides:
- setLayoutin class- Composite
- Parameters:
- layout- the receiver's new layout or null
- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- setListVisiblepublic void setListVisible- (boolean visible) Marks the receiver's list as visible if the argument is- true, and marks it invisible otherwise.- If one of the receiver's ancestors is not visible or some other condition makes the receiver not visible, marking it visible may not actually cause it to be displayed. - Parameters:
- visible- the new visibility state
- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
- Since:
- 3.4
 
- setMenu
- setSelectionSets the selection in the receiver's text field to the range specified by the argument whose x coordinate is the start of the selection and whose y coordinate is the end of the selection.- Parameters:
- selection- a point representing the new selection start and end
- Throws:
- IllegalArgumentException-- ERROR_NULL_ARGUMENT - if the point is null
 
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- setTextSets the contents of the receiver's text field to the given string.- Note: The text field in a - Combois typically only capable of displaying a single line of text. Thus, setting the text to a string containing line breaks or other special characters will probably cause it to display incorrectly.- Also note, if control characters like '\n', '\t' etc. are used in the string, then the behavior is platform dependent. - Parameters:
- string- the new text
- Throws:
- IllegalArgumentException-- ERROR_NULL_ARGUMENT - if the string is null
 
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- setTextLimitpublic void setTextLimit- (int limit) Sets the maximum number of characters that the receiver's text field is capable of holding to be the argument.- Parameters:
- limit- new text limit
- Throws:
- IllegalArgumentException-- ERROR_CANNOT_BE_ZERO - if the limit is zero
 
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
 
- setToolTipText- Overrides:
- setToolTipTextin class- Control
 
- setVisiblepublic void setVisible- (boolean visible) - Overrides:
- setVisiblein class- Control
 
- setVisibleItemCountpublic void setVisibleItemCount- (int count) Sets the number of items that are visible in the drop down portion of the receiver's list.- Parameters:
- count- the new number of items to be visible
- Throws:
- SWTException-- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
 
- Since:
- 3.0
 
- traversepublic boolean traverse- (int event)