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java.lang.Objectorg.eclipse.swt.widgets.Widget
org.eclipse.swt.widgets.Control
org.eclipse.swt.widgets.Scrollable
org.eclipse.swt.widgets.Composite
org.eclipse.swt.widgets.Canvas
This class serves as a base class for custom widgets. It does not yet provides any drawing capabilities.
This class may be subclassed by custom control implementors who are building controls that are not constructed from aggregates of other controls.
Composite
Constructor Summary | |
Canvas(Composite parent,
int style)
Constructs a new instance of this class given its parent and a style value describing its behavior and appearance. |
Methods inherited from class org.eclipse.swt.widgets.Composite |
changed, computeSize, getAdapter, getBackgroundMode, getChildren, getLayout, getLayoutDeferred, getTabList, isLayoutDeferred, layout, layout, layout, layout, setBackgroundMode, setFocus, setLayout, setLayoutDeferred, setTabList |
Methods inherited from class org.eclipse.swt.widgets.Scrollable |
computeTrim, getClientArea |
Methods inherited from class org.eclipse.swt.widgets.Widget |
addDisposeListener, addListener, checkSubclass, checkWidget, dispose, getData, getData, getDisplay, getListeners, getStyle, isDisposed, isListening, notifyListeners, removeDisposeListener, removeListener, setData, setData, toString |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
public Canvas(Composite parent, int style)
The style value is either one of the style constants defined in
class SWT
which 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 SWT
style constants. The class description
lists the style constants that are applicable to the class.
Style bits are also inherited from superclasses.
parent
- a composite control which will be the parent of the new
instance (cannot be null)style
- the style of control to construct
IllegalArgumentException
- SWTException
- SWT
,
Widget.checkSubclass()
,
Widget.getStyle()
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Eclipse Rich Ajax Platform Release 1.3 |
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