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Visual Basic class definition | 1999-03-21 | 3.1 KB | 170 lines |
- VERSION 1.0 CLASS
- BEGIN
- MultiUse = -1 'True
- Persistable = 0 'NotPersistable
- DataBindingBehavior = 0 'vbNone
- DataSourceBehavior = 0 'vbNone
- MTSTransactionMode = 0 'NotAnMTSObject
- END
- Attribute VB_Name = "CFileOutputHandler"
- Attribute VB_GlobalNameSpace = False
- Attribute VB_Creatable = True
- Attribute VB_PredeclaredId = False
- Attribute VB_Exposed = False
- Attribute VB_Ext_KEY = "SavedWithClassBuilder" ,"Yes"
- Attribute VB_Ext_KEY = "Top_Level" ,"Yes"
- Attribute VB_Ext_KEY = "SavedWithClassBuilder6" ,"Yes"
- Option Explicit
-
- Public Append As Boolean
-
- Private mvarFileName As String
- Private hFile As Integer
-
- Private Const fihNoCurrentFile As Long = -1
- Public Sub CloseFile()
-
- If hFile <> fihNoCurrentFile Then
- Close #hFile
- hFile = fihNoCurrentFile
- End If
-
- End Sub
-
- Public Property Get IsOpen() As Boolean
- Attribute IsOpen.VB_UserMemId = 0
- Attribute IsOpen.VB_MemberFlags = "200"
-
- IsOpen = (hFile <> fihNoCurrentFile)
-
- End Property
-
- Public Function WriteFile(FileContents As String) As Boolean
-
- On Error GoTo WriteFileError
-
- If hFile <> fihNoCurrentFile Then
- CloseFile
- If OpenFile Then
- Print #hFile, FileContents;
- CloseFile
- End If
- End If
-
- WriteFile = True
- Exit Function
-
- WriteFileError:
- MsgBox Err.Description, vbCritical, "Write File"
-
- End Function
-
- Public Function OpenFile(Optional FileName As String = "") As Boolean
-
- On Error GoTo OpenFileError
-
- If FileName <> "" Then
- mvarFileName = FileName
- End If
-
- CloseFile
-
- hFile = FreeFile
-
- If Append Then
- Open mvarFileName For Append As #hFile
- Else
- Open mvarFileName For Output As #hFile
- End If
-
- OpenFile = True
- Exit Function
-
- OpenFileError:
- MsgBox Err.Description, vbCritical, "Open File"
-
- End Function
- Public Function WriteBytes(Bytes() As Byte) As Boolean
-
- Dim sTemp As String
-
- On Error GoTo WriteBytesError
-
- LSet sTemp = Bytes()
-
- If hFile <> fihNoCurrentFile Then
- Print #hFile, sTemp;
- End If
-
- WriteBytes = True
- Exit Function
-
- WriteBytesError:
- MsgBox Err.Description, vbCritical, "WriteBytes"
-
- End Function
-
- Public Function WriteChars(WriteString As String) As Boolean
-
- On Error GoTo WriteCharsError
-
- If hFile <> fihNoCurrentFile Then
- Print #hFile, WriteString;
- End If
-
- WriteChars = True
- Exit Function
-
- WriteCharsError:
- MsgBox Err.Description, vbCritical, "WriteChars"
-
- End Function
-
- Public Function WriteLine(Line As String) As Boolean
-
- On Error GoTo WriteLineError
-
- If hFile <> fihNoCurrentFile Then
- Print #hFile, Line
- End If
-
- WriteLine = True
- Exit Function
-
- WriteLineError:
- MsgBox Err.Description, vbCritical, "Write Line"
-
- End Function
-
-
- Private Sub Class_Initialize()
-
- hFile = fihNoCurrentFile
- mvarFileName = ""
-
- End Sub
-
-
-
- Public Property Get FileName() As String
-
- FileName = mvarFileName
-
- End Property
-
- Public Property Let FileName(ByVal vNewValue As String)
-
- CloseFile
-
- mvarFileName = vNewValue
-
- End Property
-
- Private Sub Class_Terminate()
-
- CloseFile
-
- End Sub
-
-
-