FAQ/ThumbnailExists.md
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+#ThumbnailExists()
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+
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+[[_TOC_]]
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+
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+##About
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+Allows customization of the process that checks whether thumbnail pictures exist for reports
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+
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+##Global.asax (C♯)
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+
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+```csharp
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+ static Dictionary<string, byte[]> thumbnails = new Dictionary<string, byte[]>();
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+
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+ public override bool ThumbnailExists(ReportInfo reportInfo)
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+ {
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+ return thumbnails.ContainsKey((reportInfo.Category ?? "") + "#" + (reportInfo.Name ?? ""));
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+ }
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+```
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+
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+##Global.asax (VB.NET)
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+
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+```visualbasic
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+
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+```
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