Parameters
- symbol
- The text symbol.
- isCaretBeforeSymbol
- A value indicating whether text caret is located before symbol.
- changeSelectionStartSymbol
- A value indicating whether the selection start symbol must be changed.
Target Platforms: .NET 10; .NET 9; .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5