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hi...guys i am developing an application for a company which include a large digiatal map. i have divided the map in 4 parts.in this application user can draw a line on a map to view the distance b/w the two points. Now the problem is that when the user move the mouse to stream left and wait for...

hi... i want to show the points of the mouse movement on other form while the mouse is moving on other form

i want to calculate angle of a line. when user draw a line on the picture box the angle of the line is calculated automatically no metter where the line is drown plz help me out i will be very thankfull

i am receving this error when ever i run my progam plz help me out thanks Error: An unhandled exception of type 'System.ArithmeticException' occurred in system.drawing.dll Additional information: Overflow or underflow in the arithmetic operation.