C# winform 啟動外部程序

//class里面放入這段代碼
[DllImport("shell32.dll")]
public static extern int ShellExecute(IntPtr hwnd, StringBuilder lpszOp, StringBuilder lpszFile, StringBuilder lpszParams, StringBuilder lpszDir, int FsShowCmd);

//需要打開的地方插入此段代碼

ShellExecute(IntPtr.Zero, new StringBuilder("Open"), new StringBuilder("test.exe"), new StringBuilder(""), new StringBuilder(@"C:\文件夾名"), 1);