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Additional check to ensure pdfViewer object is defined before handleMouseWheel event accesses its property isInPresentationMode
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1 changed files with 1 additions and 1 deletions
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@ -2000,7 +2000,7 @@ function webViewerPageChanging(e) {
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var zoomDisabled = false, zoomDisabledTimeout;
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var zoomDisabled = false, zoomDisabledTimeout;
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function handleMouseWheel(evt) {
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function handleMouseWheel(evt) {
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var pdfViewer = PDFViewerApplication.pdfViewer;
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var pdfViewer = PDFViewerApplication.pdfViewer;
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if (pdfViewer.isInPresentationMode) {
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if (!pdfViewer || pdfViewer.isInPresentationMode) {
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return;
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return;
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}
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}
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