Users can change the background of the waveform window to better suit their preferences, especially if they are used to using other tools, such as ModelSim. Unfortunately, with the darker background, it makes the expandable triangle harder to see.
Without having to change your machine's settings, there is a way to change the "triangle" to a "cross" by following the steps below:
Edit the rungui.bat located in the Riviera-PRO installation folder
Add -style windowsxp at the end of the start command line.
Save and close the file.
Open Riviera-PRO normally
Note: For users that already operate on a Windows XP machine, this solution is not needed. This FAQ applies to users with Windows 7.