Warning
GtkPreviewType is deprecated and should not be used in newly-written code.
An enumeration which describes whether a preview
contains grayscale or red-green-blue data.
GTK_PREVIEW_COLOR
the preview contains red-green-blue data.
GTK_PREVIEW_GRAYSCALE
The preview contains grayscale data.
Warning GtkPreviewType is deprecated and should not be used in newly-written code. An enumeration which describes whether a preview contains grayscale or red-green-blue data. GTK_PREVIEW_COLOR the preview contains red-green-blue data. GTK_PREVIEW_GRAYSCALE The preview contains grayscale data.