Formula Language Server

VisiGrid treats formulas like code, providing IDE-like assistance as you type.

Autocomplete

When you type = and start typing a function name, suggestions appear automatically. Use:

• Arrow Up/Down to navigate suggestions
• Tab or Enter to accept
• Escape to dismiss

Signature Help

When you type ( after a function name, a tooltip appears showing:

• The function signature with all parameters
• The current parameter highlighted
• Updates as you type commas between arguments

Error Validation

VisiGrid checks your formulas in real-time:

• Syntax errors appear as red messages below the formula bar
• Validates parenthesis matching, operators, and function syntax
• Shows specific error messages before you even press Enter

Context-Sensitive Help (F1)

Press F1 while editing a formula to see detailed help for the function at cursor position:

• Function name and syntax
• Full description
• Category

Press Escape to dismiss the help popup.