Difference between Directory.GetCurrentDirectory and Application.StartupPath

Little scum · Posted on 12/8/2016 11:06:32 AM

The System.IO.Directory.GetCurrentDirectory() method is used to obtain the current working directory of the application.
System.Windows.Forms.Application.StartupPath gets the path to the application's executable, without the file name

The StartupPath executable is pinned and can be used for targeting
GetCurrentDirectory is not necessarily the directory where the executable file is located, depending on where it is launched

If there are two programs C:/A/a.exe and C:/B/b.exe
When starting b.exe in a.exe, System.Diagnostics.Process.Start(@"C:/B/b.exe")
In this case, the Directory.GetCurrentDirectory() method in b.exe returns a value of "C:/A" and an Application.StartupPath value of "C:/B"
If you start b.exe directly in C:/B/, both values will be the same, both "C:/B"
This is the difference between Directory.GetCurrentDirectory and Application.StartupPath

The two meanings are different.
Application.StartupPath is the startup directory of the program, which will not change after the program runs.

Directory.GetCurrentDirectory() is the "current directory" and can be changed while the program is running
Directory.SetCurrentDirectory() to change .

The default value of Directory.GetCurrentDirectory() is the same as that of Application.StartupPath().

[Source] Difference between Directory.GetCurrentDirectory and Application.StartupPath

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