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License Text
In this field you can select the License Text file which will be displayed during installation. The supported file types are *.txt and *.rtf and the file must exist in the Files and Folders Page - Windows Store App Projects. This value supports localization.
Icon
In this field you can specify an icon file for your VSIX extension package. The selected icon will appear in the "Preview" field. Click on the button to deselect the chosen icon. The icon file must exist in the Files and Folders Page.
Preview Image
In this field you can select an image that will be displayed in the Extension manager for your VSIX extension. The selected image will appear in the "Preview" section. The image file must exist in the Files and Folders Page.