Error when closing a form with C++

Error when closing a form with C++

References

Reference NO 1

http://stackoverflow.com/questions/15165437/error-when-closing-a-form-with-c

Reference NO 2

http://www.cplusplus.com/reference/ios/ios/exceptions/

Reference NO 3

http://www.cprogramming.com/tutorial/exceptions.html

Reference NO 4

http://cs.fit.edu/~mmahoney/cse2050/how2cpp.html

Reference NO 5

http://msdn.microsoft.com/en-us/library/ewcf0002.aspx

Reference NO 6

http://www-root.fnal.gov/root/CPlusPlus/

Reference NO 7

http://courses.cs.vt.edu/cs1044/Notes/C04.IO.pdf

Reference NO 8

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