vb 如何用ShellExecute打开扩展名为TXT的文本文件？

ShellExecute API应用整理
作者: yanek

1． 执行“打开”，“查找”，“资源管理器”和“打印”
必要的声明：
’ nShowCmd
Public Const SW_HIDE = 0
Public Const SW_SHOWNORMAL = 1
Public Const SW_SHOWMINIMIZED = 2
Public Const SW_SHOWMAXIMIZED = 3
Public Const SW_MAXIMIZE = 3
Public Const SW_SHOWNOACTIVATE = 4
Public Const SW_SHOW = 5
Public Const SW_MINIMIZE = 6
Public Const SW_SHOWMINNOACTIVE = 7
Public Const SW_SHOWNA = 8
Public Const SW_RESTORE = 9

’ Error Code
Public Const ERROR_FILE_NOT_FOUND = 2
Public Const ERROR_PATH_NOT_FOUND = 3
Public Const ERROR_BAD_FORMAT = 11

Public Const SE_ERR_FNF = 2
Public Const SE_ERR_PNF = 3
Public Const SE_ERR_ACCESSDENIED = 5
Public Const SE_ERR_OOM = 8
Public Const SE_ERR_SHARE = 26
Public Const SE_ERR_ASSOCINCOMPLETE = 27
Public Const SE_ERR_DDETIMEOUT = 28
Public Const SE_ERR_DDEFAIL = 29
Public Const SE_ERR_DDEBUSY = 30
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