Now, the latest build of SharpDevelop v4.1 (starting from build 7383) has a new pad under View->Debug menu: Memory pad.
As the name suggests, you can see the memory associated with the process under debug.
- navigate through memory
- search a specific memory address
- refresh the current memory addresses
- change the byte display: 1, 2, 4 bytes
Basically, it looks like this.