visual studio 2010 - How To Extend A File Size In OpenFileDialog C# -

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i making expand-file-size program in c#, having problem. works fine, don't have code expand size of file select openfiledialog. know how expand file's size in c#? need extend each file +16. familiar eof (end-of-file), don't know how use it.

one possibility append file. @ file open function documentation - can open file appending.


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