True Transparency in Swing

Is this possible 开发者_如何转开发to make aero frame in java swing application?

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There is also How to Create Translucent and Shaped Windows.

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As for Java 6 or older, using classes from import static java.awt.GraphicsDevice.WindowTranslucency.*;

Java 7 has added these two new methods for Swing.

JFrame.setUndecorated(boolean);//wont work if the frame is decorated
JFrame.setShape(someShape);//set frame shape
JFrame.setOpacity(somefloat);//set frame tranparency