Parameters
- startPoint
- The start point, in the coordinate space of image viewer, for text selection.
- endPoint
- The end point, in the coordinate space of image viewer, for text selection.
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