Hi Rex,
Thanks for your interest in Syncfusion products.
Currently we don’t provide support for “Support for HTML5 and canvas drawing in Diagram control”. This has been suspected to be a feature request. Please create a DT incident for your query so that we can update the patch for this feature.
You can create the DT incident from the following link.
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http://www.syncfusion.com/account/dashboard>
In the interests of maintaining confidentiality, we have a policy of not sharing patches or otherwise proprietary customer specific information in the public Forum.
Please let us know if you have any queries.
Regards,
Amsath Ali. M