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org.eclipse.swt.widgets
Class MessageBox
java.lang.Object
org.eclipse.swt.widgets.Dialog
org.eclipse.swt.widgets.MessageBox
- public class MessageBox
- extends
Dialog
Instances of this class are used to inform or warn the user.
-
Styles:
- ICON_ERROR, ICON_INFORMATION, ICON_QUESTION, ICON_WARNING, ICON_WORKING
- OK, OK | CANCEL
- YES | NO, YES | NO | CANCEL
- RETRY | CANCEL
- ABORT | RETRY | IGNORE
-
Events:
- (none)
Note: Only one of the styles ICON_ERROR, ICON_INFORMATION, ICON_QUESTION,
ICON_WARNING and ICON_WORKING may be specified.
IMPORTANT: This class is intended to be subclassed only
within the SWT implementation.
-
Since:
- 1.2
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Constructor Summary
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MessageBox
(
Shell parent)
Constructs a new instance of this class given only its parent. |
MessageBox
(
Shell parent,
int style)
Constructs a new instance of this class given its parent
and a style value describing its behavior and appearance. |
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Method Summary
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String
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getMessage
()
Returns the dialog's message, or an empty string if it does not have one. |
int
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open
()
Makes the dialog visible and brings it to the front
of the display. |
void
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setMessage
(
String string)
Sets the dialog's message, which is a description of
the purpose for which it was opened. |
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Methods inherited from class java.lang.
Object
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clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait
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MessageBox
public MessageBox(
Shell parent)
- Constructs a new instance of this class given only its parent.
-
Parameters:
-
parent - a shell which will be the parent of the new instance
-
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
- ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass
MessageBox
public MessageBox(
Shell parent,
int style)
- Constructs 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 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.
-
Parameters:
-
parent - a shell which will be the parent of the new instance -
style - the style of dialog 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
- ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass
getMessage
public
String getMessage()
- Returns the dialog's message, or an empty string if it does not have one.
The message is a description of the purpose for which the dialog was opened.
This message will be visible in the dialog while it is open.
-
-
Returns:
- the message
setMessage
public void setMessage(
String string)
- Sets the dialog's message, which is a description of
the purpose for which it was opened. This message will be
visible on the dialog while it is open.
-
-
Parameters:
-
string - the message
-
Throws:
-
IllegalArgumentException
-
- ERROR_NULL_ARGUMENT - if the string is null
open
public int open()
- Makes the dialog visible and brings it to the front
of the display.
-
-
Returns:
- the ID of the button that was selected to dismiss the
message box (e.g. SWT.OK, SWT.CANCEL, etc.)
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Throws:
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SWTException
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- ERROR_WIDGET_DISPOSED - if the dialog has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the dialog
Copyright (c) Innoopract Informationssysteme GmbH and others 2002, 2008. All rights reserved.
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