PrintToPDFOptions - PageSize: Object width and height = Invalid Page Size error #879

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claunia · 2026-01-29T16:51:05Z

claunia commented

2026-01-29 16:51:05 +00:00

Originally created by @wana211 on GitHub (Apr 24, 2023).

The "PrintToPDFOptions" class which is passed to the "PrintToPDFAsync" method has a "PageSize" property.
In Electron you can pass in an object specifying a custom width and height.
However in Electron.NET this property must be a string.
When Electron.NET is deserializing the "PrintToPDFOptions" the "PageSize" property is being deserialized as a string and sent to Electron as a string rather than a JSON object. This results in Electron expecting the page size to be one of the pre-defined string ones (e.g. A4) rather than a custom size.

Originally created by @wana211 on GitHub (Apr 24, 2023). The "PrintToPDFOptions" class which is passed to the "PrintToPDFAsync" method has a "PageSize" property. In Electron you can pass in an object specifying a custom width and height. However in Electron.NET this property must be a string. When Electron.NET is deserializing the "PrintToPDFOptions" the "PageSize" property is being deserialized as a string and sent to Electron as a string rather than a JSON object. This results in Electron expecting the page size to be one of the pre-defined string ones (e.g. A4) rather than a custom size.

claunia added the bug label 2026-01-29 16:51:05 +00:00

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Reference: starred/Electron.NET#879