Custom build for Registering a Filter at Compile time

For Registering the Filter using regsvr32 During compilation,
I have done the following :
1.Open the project-> properties ->Custom build tab
and set the

Description : "Registering Directshow Filter..."
commands : regsvr32 /c "$(TargetPath)"
echo regsvr32 exec. time > "$(OutDir)\regsvr32.trg"
Outputs : $(OutDir)\regsvr32.trg