Hi Matt,
You can easily modify the image object inserted via the Set Image Properties dialog by
registering the external dialogs of RadEditor. After that open the EditorDialogs\SetImageProperties.ascx, locate the getModifiedImage function and modify the resultImage object, e.g.
...
resultImage.customAttribute = "shalalalala";
return resultImage;
You can also paste content by firing the pasteHtml method
this._editor.pasteHtml("new content");
Best regards,
Rumen
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