c# - saveFileDialog: The file name is not valid - Stack Overflow
c# - saveFileDialog: The file name is not valid - Stack Overflow
How to filter files in an OpenFileDialog - Ged Mead's Blog - vbCity - The .NET Developer Community
How to solve C# exception: Current thread must be set to single thread apartment (STA) mode before OLE calls can be made, ensure that your Main function has STAThreadAttribute marked on it
c# - How to use filter of SaveFileDialog - Stack Overflow
Saving and Loading Simple Text Files A sequential file stores characters one after the other like songs on a cassette tape. New characters are added to. - ppt download