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Fix docx/pptx → PDF conversion broken in v2.2 (clean install + recent Microsoft 365) #779

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Fix docx/pptx → PDF conversion broken in v2.2 (clean install + recent Microsoft 365) #779

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7 changes: 6 additions & 1 deletion Application/FileConverter/ConversionJobs/ConversionJob_PowerPoint.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -96,7 +96,12 @@ protected override void Convert()
this.UserState = Properties.Resources.ConversionStateConversion;

Debug.Log("Convert PowerPoint document to pdf.");
this.document.ExportAsFixedFormat(this.intermediateFilePath, PowerPoint.Enums.PpFixedFormatType.ppFixedFormatTypePDF);

// Use SaveAs with the native PDF file type instead of ExportAsFixedFormat.
// On recent Microsoft 365 builds the late-bound ExportAsFixedFormat call
// throws DISP_E_TYPEMISMATCH (0x80020005), which broke pptx -> pdf in v2.2.
// SaveAs(path, ppSaveAsPDF) is the supported, robust automation path.
this.document.SaveAs(this.intermediateFilePath, PowerPoint.Enums.PpSaveAsFileType.ppSaveAsPDF, NetOffice.OfficeApi.Enums.MsoTriState.msoFalse);

Debug.Log($"Close PowerPoint document '{this.InputFilePath}'.");
this.document.Close();
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23 changes: 11 additions & 12 deletions Application/FileConverter/ConversionJobs/ConversionJob_Word.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -100,18 +100,13 @@ protected override void Convert()
this.UserState = Properties.Resources.ConversionStateConversion;

Debug.Log("Convert word document to pdf.");
// this.document.ExportAsFixedFormat(this.intermediateFilePath, Word.WdExportFormat.wdExportFormatPDF);
this.document.ExportAsFixedFormat(this.intermediateFilePath,
Word.Enums.WdExportFormat.wdExportFormatPDF,
false,
Word.Enums.WdExportOptimizeFor.wdExportOptimizeForPrint,
Word.Enums.WdExportRange.wdExportAllDocument,
1, 1,
Word.Enums.WdExportItem.wdExportDocumentContent,
true,
true,
Word.Enums.WdExportCreateBookmarks.wdExportCreateHeadingBookmarks,
true);

// Use SaveAs with the native PDF format instead of ExportAsFixedFormat.
// On recent Microsoft 365 builds the late-bound ExportAsFixedFormat call
// throws DISP_E_TYPEMISMATCH (0x80020005), which broke docx -> pdf in v2.2.
// SaveAs(path, wdFormatPDF) is the robust, supported automation path and is
// not affected by the tightened type libraries.
this.document.SaveAs(this.intermediateFilePath, Word.Enums.WdSaveFormat.wdFormatPDF);

Debug.Log($"Close word document '{this.InputFilePath}'.");
this.document.Close(Word.Enums.WdSaveOptions.wdDoNotSaveChanges);
Expand Down Expand Up @@ -163,6 +158,10 @@ protected override void InitializeOfficeApplicationInstanceIfNecessary()
{
Visible = false
};

// Suppress modal dialogs (e.g. format-compatibility prompts) so the headless
// conversion does not block waiting for user input when exporting to PDF.
this.application.DisplayAlerts = Word.Enums.WdAlertLevel.wdAlertsNone;
}

protected override void ReleaseOfficeApplicationInstanceIfNeeded()
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22 changes: 22 additions & 0 deletions Installer/Product.wxs
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Original file line number Diff line number Diff line change
Expand Up @@ -149,6 +149,28 @@
<Component Guid="{6268D6C0-42D8-4487-AC4B-33C9874C9E2F}">
<File Id="WpfAnimatedGif.dll" KeyPath="yes" Source="$(var.FileConverter.TargetDir)WpfAnimatedGif.dll" Checksum="yes" />
</Component>

<!-- NetOffice assemblies (Word/Excel/PowerPoint interop). These were missing
from the v2.2 MSI, causing FileNotFoundException/TypeLoadException and
breaking every Office (docx/xlsx/pptx) conversion on a clean install. -->
<Component Guid="{C1A2B3C4-D5E6-4F70-8A91-B2C3D4E5F607}">
<File Id="NetOffice.dll" Source="$(var.FileConverter.TargetDir)NetOffice.dll" KeyPath="yes" Checksum="yes" />
</Component>
<Component Guid="{D2B3C4D5-E6F7-4081-9B02-C3D4E5F60718}">
<File Id="OfficeApi.dll" Source="$(var.FileConverter.TargetDir)OfficeApi.dll" KeyPath="yes" Checksum="yes" />
</Component>
<Component Guid="{E3C4D5E6-F708-4192-AC13-D4E5F6071829}">
<File Id="WordApi.dll" Source="$(var.FileConverter.TargetDir)WordApi.dll" KeyPath="yes" Checksum="yes" />
</Component>
<Component Guid="{F4D5E6F7-0891-42A3-BD24-E5F60718293A}">
<File Id="ExcelApi.dll" Source="$(var.FileConverter.TargetDir)ExcelApi.dll" KeyPath="yes" Checksum="yes" />
</Component>
<Component Guid="{A5E6F708-192A-43B4-CE35-F60718293A4B}">
<File Id="PowerPointApi.dll" Source="$(var.FileConverter.TargetDir)PowerPointApi.dll" KeyPath="yes" Checksum="yes" />
</Component>
<Component Guid="{B6F70819-2A3B-44C5-DF46-0718293A4B5C}">
<File Id="VBIDEApi.dll" Source="$(var.FileConverter.TargetDir)VBIDEApi.dll" KeyPath="yes" Checksum="yes" />
</Component>

<!-- Configuration and documentation -->
<Component Guid="{AD58807A-2AE2-48BE-AB55-9BDE9BBE37F3}">
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