Generating a line automatically

Thnq Sourabh,

 

With your help I done that and by using the same logic only I am trying to move the line left, right but the whole line is moving. I just want to change the direction the line by moving it left or right. Could you help me in resolving this. 

This is very easy 

A line Contains 2 points. that is (x1,y1)  and (x2,y2). What you can do that fix your one point like (x1,y1) and if You increase x2(increasing Horizontally) or y2(increasing Vertically). then you can Increase 

example is below:

suppose if you have (xaml) Code

here:

X1=50 

Y1=50

X2=200

Y2=200  

 

if you want to increase line horizontally than  

 

in C# Code (Code Behind) 

line1.X2=500;

or

line1.X2++;