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ShellBrowser Delphi Components Documentation
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JamControls.TJamThumbnailImage.IsEmpty
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ShellBrowser Delphi Components Documentation
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This method indicates that the control doesn't contain a picture, e.g. when cref="IconInstead" is set to false and no proper thumbnail is contained in the image
function IsEmpty: boolean;
true if the control currently doesn't display a thumbnail.