Parameters
- startTextContent
- The start text content.
- endTextContent
- The end text content.
Return Value
A text content that contains union of all text between specified start and end text contents.
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