The manual says:
If you are using polyphonic voices, you can insert a Display Quantize event for all voices by pressing Alt/Opt and clicking with the tool.
(Cubase_Pro_Score_12_Score_Layout_and_Printing_en.pdf)
The manual says:
If you are using polyphonic voices, you can insert a Display Quantize event for all voices by pressing Alt/Opt and clicking with the tool.
(Cubase_Pro_Score_12_Score_Layout_and_Printing_en.pdf)