Help with DrawImage

Hello,

Seem to have a problem that I am not making any head way on. I have a picture store in a bitmap varaible (could be x number of pixels wide and x number of pixels high, doesn't really matter the size). What i would like to do is is create a new bitmap with the data from the picture starting a x pixel 25 and y pixel 30 with a width of 100 and a hieght of 75, these values don't really matter.

Basically what I am trying to do is crop the image down, I have read the documentation and think that I need to use the drawimage with the rectangle but I don't seem to be making any head way.

Thanks.

Jeremy