Integrating ProDiff with Tortoise SVN
ProDiff can be easily integrated with Tortoise SVN. Follow these steps to setup ProDiff as the default tool for Compares.
Step 1
Right Click in Explorer click TortoiseSVN > Settings.

From the Settings tree on the left hand side locate "External Programs" then expand the tree node and click the Diff Viewer node and you will see the following screen:
Step 2
Ensure the External Radio Button is checked, choose the ProDiff by clicking the "..." button and locate the ProDiff EXE file (usually located at C:\Program Files\PBDR\ProDiff2\
Lastly enter "-SDI -File1 %mine -File2 %base" for the arguments, this tells ProDiff to start in SDI mode and to compare the 2 files passed from Tortoise SVN.
Your screen should look like the one above
Step 3
If you only want to use ProDiff as aDiff tool then Click OK. If you want to user ProDiff as a Merge tool then goto step 4.
Step 4
Click on the Merge Tool tree node
Ensure the External Radio Button is checked, choose the ProDiff EXE by clicking the "..." button and locate the ProDiff EXE file (usually located at C:\Program Files\PBDR\ProDiff2\
Lasty configure the parmeters as follows "-SDI -Mode ThreeWay -File1 %mine -Base %base -File2 %theirs -Save %merged" this tells ProDiff to start in SDI mode and perform a Three Way Diff/Merge using the passed in File name.
Your screen should look like the one above
Step5
Click OK