Syntax

 Public Function OpenFile(ByRef FileName As Variant, openType As ENUM_FILE_MODE) As String

Description

This function is used to open specific a file to be processed according to open type value. 

Parameters

Return value

Returns empty string if the file has been opened else it will return the "File already open" in case  the file is already open and the  OpenType was FILE_OUTPUT/ FILE_APPEND  , in case the OpenType was FILE_INPUT and file dose not exist it will return "File not found"

Sample

 Public Sub main()

 ' Open or Create File and write  Data  , finally Close it 

  Dim fileName
  Dim fileMode

  fileMode = FILE_APPEND
  fileName = "C:\VertexWorld.txt"
 

  OpenFile fileName, CInt(fileMode)
  FileWrite "Welcome TO VertexFx World"
  CloseFile

 End Sub

See Also

• NumberOfLinesInFile
• FileExists
• DeleteLine

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