---
title: "Thumbnail.PreRender Event ActiveX/Java Uploader "
canonical: https://www.aurigma.com/docs/us8/JA_E_Thumbnail_PreRender.htm
product: "Upload Suite 8"
---

# Thumbnail.PreRender Event ActiveX/Java Uploader 

Supported browsers: ![Internet Explorer](https://www.aurigma.com/docs/us8/icons/ie8.png)![Firefox](https://www.aurigma.com/docs/us8/icons/firefox.png)![Google Chrome](https://www.aurigma.com/docs/us8/icons/chrome.png)![Safari](https://www.aurigma.com/docs/us8/icons/safari.png)
 
This event fires before the [writeHtml()](https://www.aurigma.com/docs/us8/JA_M_J_$au_thumbnail_writeHtml.htm.md) or [getHtml()](https://www.aurigma.com/docs/us8/JA_M_J_$au_thumbnail_getHtml.htm.md) method is executed.

## Syntax
 
```aspx-cs
<script type="text/javascript">
function Thumbnail1_PreRender(){
    //...your code...
}
</script>
```

```
<aur:Thumbnail ID="Thumbnail1" runat="server">
    <ClientEvents>
        <aur:ClientEvent EventName="PreRender" HandlerName="Thumbnail1_PreRender" />
    </ClientEvents>
</aur:Thumbnail>
```
 
```
<script type="text/javascript">
function Thumbnail1_PreRender(){
    //...your code...
}
</script>
```

```
<?php
    $Thumbnail = new Thumbnail("Thumbnail1");
    //...other params...
    $Thumbnail->getClientEvents()->setPreRender("Thumbnail1_PreRender");
    //...other params...
    $Thumbnail->render();
?>
```
 
```
function Thumbnail1_PreRender(){
    //...your code...
}
```

```
$au.thumbnail({
        events: {
            //...other params...
            preRender: [Thumbnail1_PreRender],
            //...other params...
        }
})
```