⌂ Demonstrates:

• Virtual scrolling on both rows and columns.
• Select a range of cells with a mouse
• Use Ctrl-C and Ctrl-V keyboard shortcuts to cut and paste cells
• Use Esc to cancel a copy and paste operation
• Edit the cell and select a cell range to paste the range
• Cell Selection using "Shift+{key}" or "Ctrl+Shift+{key}" where "key" can be any of:
• Arrow Up/Down/Left/Right
• Page Up/Down
• Home
• End