Tài liệu Introduction to Java: 17 Printing ppt
Tài liệu Introduction to Java: 17 Printing ppt
... drawing.
17. 3 COMPONENT METHODS 517
10 July 2002 22:24
518 CHAPTER 17: PRINTING
17. 4 Printing Example
Now that you know about the different classes necessary to print, let’s put it all
together. Printing ... is similar to drawing an object on the screen. Just as you draw onto a
graphics context to display something on the screen, you draw onto a printing
context” to creat...
Tài liệu Introduction to Java:13 AWT Exceptions and Errors pptx
... caught, it will eventually propagate to the top level of the system.
13.3.1 AWTError Method
Constructor
public AWTError (String message)
The sole constructor creates an AWTError with a detail ... you can throw an AWTException to indicate a
problem. Using AWTException is slightly preferable to creating your own Excep-
tion
subclass because you do not have to generate another class file....
Tài liệu Introduction to Java: 15 Toolkit and Peers ppt
... usable constructor. To get a
Toolkit object, ask for your environment’s default toolkit by calling the static
method getDefaultToolkit() or call Component.getToolkit() to get the
toolkit of a component. ... system
property awt.toolkit. Since this is a static method, you don’t need to have a
Toolkit object to call it; just call Toolkit.getDefaultToolkit().
Currently, only one Toolkit c...
Tài liệu Introduction to Java:16 Data Transfer pptx
... method, which is called in response to
a button click. We check which button the user clicked; if the user clicked the
Copy button, we read the text field
tf and use it to create a new StringSelection
named ... required to
use the clipboard, let’s put them all together in an example. Example 16-1 creates
a TextField for input (copying), a read-only TextArea for output (pasting), and a
co...
Tài liệu Introduction to Java: 20 java.awt.datatransfer Reference pptx
... Clipboard class is a repository for a Transferable object and can be used
for cut, copy, and paste operations. The system clipboard can be accessed by call-
ing Toolkit.getDefaultToolkit().getSystemClipboard(). ... method to paste data from the clipboard into your applica-
tion.
getName
public String getName()
Returns Clipboard’s name.
Description Returns the name used when this clipboard w...
Tài liệu Introduction to Java: 21 java.awt.event Reference pptx
... other masks to form modifiers setting of event.
BUTTON1_MASK
public final static int BUTTON1_MASK
The mouse button 1 key mask. ORed with other masks to form modifiers set-
ting of event.
BUTTON2_MASK
public ... int BUTTON2_MASK
The mouse button 2 key mask. ORed with other masks to form modifiers set-
ting of event. This constant is identical to ALT_MASK.
BUTTON3_MASK
public final static...
Tài liệu Introduction to Java: 1-Abstract Window Toolkit Overview doc
... the
java.awt.datatransfer
package.
1.5.5 Printing
Java 1.1 adds the ability to print. Adding printing to an existing program is fairly
simple: you don’t have to do much beside adding a Print menu button. Chapter
17, Printing, ... BSD-based
UNIX
to System V Release 4–based
UNIX
, from OpenWindows to
Motif, from PC to
UNIX
to Macintosh (or some combination thereof), and
betw...
Tài liệu Introduction to Database Systems- P15 pptx
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Tài liệu Introduction to Database Systems- P17 ppt
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