Aurigma Image Uploader 4.6 Dual
ImageUploader.BeforeUpload Event
See Also Supported in: ActiveX Java

Raised when the upload is about to be started.

# Syntax

JavaScript | Copy Code
--- | ---
    <script type="text/javascript" src="iuembed.js"></script>
    <script type="text/javascript">
    function ImageUploaderID_BeforeUpload() {
    	//...your code...
    }
    var iu = new ImageUploaderWriter("ImageUploaderID", 610, 500);
    //...params...
    //...other event listeners...
    iu.addEventListener("BeforeUpload", "ImageUploaderID_BeforeUpload");
    //...other event listeners...
    iu.writeHtml();
    </script>

# Returns

A boolean value (`true` or `false`). If event handler returns `false` (or zero), the upload is cancelled. Otherwise, upload begins immediately after the event handler finishes. This makes the event handler convenient for validating additional data provided by user.

# See Also

##### Examples

Adding Watermarks
Uploading Additional Data with Files
Resizing and Rotating Images

##### Reference

AfterUpload Event