I am having multiple pieces of connected lines available. Now I want to draw a new line (a portion from the connected small lines) exactly on top of connected lines by using mouse. The placement process should follow below steps.
1. click the start point on one of the connected lines
2. Drag the mouse along with the connected lines till you reach the required end point
3. click the end point on one of the connected lines
4. A new line should be drawn from start point to end point by following the mouse trace.
Any existing functionality or C# code will be helpful.