setCapability(Vintasoft.Twain.WebTwainDeviceCapabilityIdEnumJS,string) Method
In This Topic
Sets value of TWAIN device capability.
Syntax
var instance = new Vintasoft.Twain.WebTwainDeviceJS(deviceName, productFamily, manufacturer, driverVersion, twainVersion, deviceManager, is64Bit);
var value; // Type: Vintasoft.Twain.WebTwainCapabilityInfoJS
// Parameters
var twainCapabilityId; // Type: WebTwainDeviceCapabilityIdEnumJS
var twainCapabilityValue; // Type: string
value = instance.setCapability(twainCapabilityId, twainCapabilityValue);
Parameters
- twainCapabilityId
- An identifier of TWAIN device capability as an instance of WebTwainDeviceCapabilityIdEnumJS class.
- twainCapabilityValue
- A string that represents value that should be set to the TWAIN device capability.
Return Value
Exceptions
| Exception | Description |
|---|
| Thrown if arguments have wrong types OR device is not opened OR error occurs during setting value of device capability. |
Remarks
This function sends a synchronous request to set value of TWAIN device capability. If you want to use asynchronous request instead of synchronous request, please use WebTwainDeviceJS.setCapabilityAsync function.
Example
// Changes page size of scanned images for opened TWAIN device.
function setPageSize(twainDevice, pageSizeValue) {
try {
// set page size of scanned images
var pageSizeCapInfo = twainDevice.setCapability(new Vintasoft.Twain.WebTwainDeviceCapabilityIdEnumJS("ISupportedSizes"), pageSizeValue);
}
catch (ex) {
alert(ex);
}
}
Browser Compatibility
See Also
