B4J Question [SOLVED] Update Picture with Websockets

[Blueforcer]

I need to update an picture in my webapp

 <img id="images" src="url" class="center">

The server generate every 1s a new picture with the same Name, now i update the picture with

images.SetProp("src","pic.png")
ws.Flush

this work once. i think because the browser cache the pic.png and use this instead of the new one.
Is it possible to tell the browser to use the new pic?

i tried to name the file with a random number and delete the old one. but this need a huge number to never get the same picname.

im also tried to disable the cache with

<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" />

but this has no effect

 

[Blueforcer]

works with:

images.SetProp("src","pic.png?" & DateTime.Now)