Clever Geek Handbook

Can't capture the screen

I have a windows service running on a client machine. I need to capture the client's screen and send it to the server via remote access. When I run the exe file, it can capture the screen and send it to the server. But when I run it as a service, it logs the following error:

"The pen is not valid."

The "interact with desktop" checkbox is selected. The code I'm using for the screenshot:

Image bmpScreenshot = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height, PixelFormat.Format32bppArgb);
Graphics  gfxScreenshot = Graphics.FromImage(bmpScreenshot);
gfxScreenshot.CopyFromScreen(Screen.PrimaryScreen.Bounds.X, Screen.PrimaryScreen.Bounds.Y, 0, 0, Screen.PrimaryScreen.Bounds.Size, CopyPixelOperation.SourceCopy);
return bmpScreenshot;

What could be the cause and how can I solve it?

+2


source to share


1 answer


Services start in session 0 (from a Vista perspective) while other applications are down.



You need to run your screen capture app in the user's session after logging in using (for example) the Run section .

+5


source






More articles:


All Articles