| WindowBuilder [message #1856333] |
Sun, 04 December 2022 15:23 |
 Patryk Głowacki
Messages: 1
Registered: December 2022 |
Junior Member |
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I'm beginner in Java eclipse.
In eclipse by opening file.java with WindowBuilder I get allways in card Design the information: "Unknown GUI toolkit. "
I'v installed the WindowBuilder with help->Eclipse Marketplace and created the file.java with New->Other->WindowBuilder->Swing Designer->JFrame / Application Window.
The new file.java will be created correctly. In card source there's a corect code, but for card design there is info as above. The reasons may be:
•This class is not an editable UI class and contains no UI components.
•WindowBuilder does not recognize the GUI toolkit or library used in this class.
•WindowBuilder does not understand this GUI type/pattern in a supported GUI toolkit.
•Problems exist with the classpath. For example, the compilation unit uses SWT classes, but theSWT/JFace libraries are not included into the classpath.
But I don't know what to do!
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