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Added DisableImageFunctionDownloads property to ParsingConfiguration #2436

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Merged
JanKallman merged 1 commit into from
Jul 21, 2026
+8 −1
Merged

Added DisableImageFunctionDownloads property to ParsingConfiguration #2436

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2 changes: 1 addition & 1 deletion src/EPPlus/FormulaParsing/Excel/Functions/RefAndLookup/ImageFunction.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -119,7 +119,7 @@ public override CompileResult Execute(IList<FunctionArgument> arguments, Parsing
if (cellPic == null || context.Configuration.AlwaysRefreshImageFunction)
{
var httpsService = context.CurrentWorksheet._package.Settings.ImageFunctionService;
if (httpsService == null)
if (httpsService == null || context.Configuration.DisableImageFunctionDownloads)
{
return CreateResult(eErrorType.Name);
}
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7 changes: 7 additions & 0 deletions src/EPPlus/FormulaParsing/ParsingConfiguration.cs
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Expand Up @@ -46,6 +46,13 @@ public class ParsingConfiguration
/// </summary>
public bool AlwaysRefreshImageFunction { get; set; } = false;

/// <summary>
/// If true the IMAGE function will never download external content in formula calculation.
/// It will instead return the NAME error as if the function was not implemented.
/// NB! This property overrides the <see cref="AlwaysRefreshImageFunction"/> property if set to true.
/// </summary>
public bool DisableImageFunctionDownloads{ get; set; } = false;

/// <summary>
/// Enables Unicode-aware string operations, ensuring correct handling of surrogate pairs for comparisons, substrings, and sorting within the library.
/// </summary>
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