Return Value
An array of instances of WebTwainImageFileFormatEnumJS classs.
| Exception | Description |
|---|---|
| Thrown if device is not opened OR error occurs during getting value of device capability. |
This function sends a synchronous request to get supported values of WebTwainDeviceCapabilityIdEnumJS.IImageFileFormat capability. If you want to use asynchronous request instead of synchronous request, please get information about WebTwainDeviceCapabilityIdEnumJS.IImageFileFormat capability using WebTwainDeviceJS.getCapabilityAsync function.