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  1. Qt
  2. QTBUG-86270

Combobox 5.15:"Cannot read property 'width' of null" and "Cannot read property 'Material' of null"

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    • Windows

      QML: When using the Material style's ComboBox and filling the model with so many items that the ListView of the Popup becomes scrollable, Qt warns about null objects:

      WARN Qt default - file:///C:/Qt/5.15.0/msvc2019_64/qml/QtQuick/Controls.2/Material/ComboBox.qml:68: TypeError: Cannot read property 'Material' of null
      WARN Qt default - file:///C:/Qt/5.15.0/msvc2019_64/qml/QtQuick/Controls.2/Material/ComboBox.qml:66: TypeError: Cannot read property 'width' of null

       

      Qt Support has tested this with Qt 5.15 and get same errors.

      Example project attached.

        1. ComboBoxExample.zip
          2 kB
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            qt.team.quick.subscriptions Qt Quick and Widgets Team
            tero.pelkonen Tero Pelkonen
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