getImageLayoutAsync Method
In This Topic
Sends an asynchronous request to get information about the current image layout rectangle of TWAIN/SANE device.
Syntax
var instance = new Vintasoft.Twain.WebTwainDeviceJS(deviceName, productFamily, manufacturer, driverVersion, twainVersion, deviceManager, is64Bit);
var value; // Type: any
// Parameters
var successFunc; // Type: function
var errorFunc; // Type: function
value = instance.getImageLayoutAsync(successFunc, errorFunc);
function getImageLayoutAsync(
: Function,
: Function
) : any;
Parameters
- successFunc
- A function that will be executed if request is executed successfully. Function prototype: "successFunc(twainDevice, imageLayout)", where 'twainDevice' parameter is an instance of WebTwainDeviceJS class, 'imageLayout' parameter is an object that contains information about current image layout rectangle of TWAIN device.
- errorFunc
- A function that will be executed if request is failed. Function prototype: "errorFunc(twainDevice, errorMessage)", where 'twainDevice' parameter is an instance of WebTwainDeviceJS class, 'errorMessage' parameter is string that describes error.
Exceptions
Exception | Description |
| Thrown if device is not opened OR error occurs during getting current image layout rectangle of device. |
Remarks
This function sends an asynchronous request to get information about the current image layout rectangle of TWAIN device. If you want to use synchronous request instead of asynchronous request, please use WebTwainDeviceJS.getImageLayout function.
Browser Compatibility
See Also