When i select "generate" on an xsd file no files are generated.
What am i doing wrong.

Also the toggle button reacts just like a normal button. I would expect to see whether enabled or not.

The Properties Dialog of the Project is correctly showing the XMLBean Builder

This are the log file entries

!ENTRY uk.ltd.grian.eclipse.xmlbeans 1 1 Okt 13, 2004 17:10:54.197
!MESSAGE XMLBeanBuilder.prepareToSave()

!ENTRY uk.ltd.grian.eclipse.xmlbeans 1 1 Okt 13, 2004 17:10:54.197
!MESSAGE XMLBeanBuilder.prepareToSave()

!ENTRY uk.ltd.grian.eclipse.xmlbeans 1 1 Okt 13, 2004 17:10:54.197
!MESSAGE XMLBeanBuilder.saving()

!ENTRY uk.ltd.grian.eclipse.xmlbeans 1 1 Okt 13, 2004 17:10:54.207
!MESSAGE XMLBeanBuilder.saving()

!ENTRY uk.ltd.grian.eclipse.xmlbeans 1 1 Okt 13, 2004 17:10:54.357
!MESSAGE XMLBeanBuilder.doneSaving()

!ENTRY uk.ltd.grian.eclipse.xmlbeans 1 1 Okt 13, 2004 17:10:54.367
!MESSAGE XMLBeanBuilder.doneSaving()

I think this was because I took an xsd file in a format not expected -- it was

<?xml version='1.0'?>

<schema>

  <element name="product">
    <type content="elemOnly" order="seq">

      <element ref="product-group" minOccurs="1" maxOccurs="1"/>
      <element ref="product-inventory" minOccurs="1" maxOccurs="1"/>

      <attribute name="id" type="ID" minOccurs="1"/>
      <attribute name="name" type="string" minOccurs="1"/>
      <attribute name="price" type="real" minOccurs="1"/>

    </type>
  </element>

  <element name="product-group">
    <type content="empty">

      <attribute name="id" type="ID" minOccurs="1"/>
      <attribute name="name" type="string" minOccurs="1"/>

    </type>
  </element>

  <element name="product-inventory">
    <type content="empty">

      <attribute name="quantity" type="integer" minOccurs="1"/>

    </type>
  </element>

</schema>

The XSD was invalid but you should have got a red error symbol on the xsd in the Eclipse view and a list of problems should be visible in the Problems tab.

The type needs to be a simpleType or complexType :o)

I'll check with this file myself and see what happens.

You are correct does not generate or show errors I will investigate.

As to the Icon you are also correct you could raise it as a feature request :o) I agree it should be a toggle switch.

I  had to "clean" and "generate" again -- then it worked

Yes that's an issue with 0.0.2. I have since found a new build type AUTO_BUILD which the code was not aware of and this is responsible, at least in part, for it not building at times. Doing a clean causes a full build which is handled. 0.0.3 is nearing completion and this has many fixes, new features and has had alot more testing on it.