Need to draw a line, depending on the value of an angle. Using VB6 Line Metod in the back of the form

Hello, I need to draw a short line, I am doing this with visual basic Line Method, I have no problem drawing the line in diffrent postions, lenghts, etc.

My problem is that I need to locate the line related to an angle value ( input by the user ) range 0 to 180°.

The line will be draw inside a circle, like a clock i.e. 90° will be at twelve o'clock, if the user type 90° I need to draw an horizontal line under the number twelve of the clock, if he write 180° I have to draw a line, under the number three of the clock.

I have tried some things, but I am missing how to move x1,y1, x2, y2 all together depending on the angle.

You can see an example of the graphics here:

http://www.softvirtual.com.ar/experts/90.jpg
http://www.softvirtual.com.ar/experts/180.jpg

i.e. for 180° this are the values for the line:

parForm.Line (X1, Y1)-(X2, Y2)

X1  =  12792,00   /   Y1 =  6890  

 X2 = 12792,0 /    Y2 = 6355

Thank you

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