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- Dim ArrayNum As Integer ' Index value for the menu control array mnuFileArray.
- Global Filename As String ' This variable keeps track of the filename information for opening and closing files.
- Const MB_YESNO = 4, MB_ICONQUESTION = 32, IDNO = 7, MB_DEFBUTTON2 = 256
-
- Sub CloseFile (Filename As String)
- Dim F As Integer
- On Error GoTo CloseError ' If there is an error, display the error message below.
-
- If Dir(Filename) <> "" Then ' File already exists, so ask if overwriting is desired.
- response = MsgBox("Overwrite existing file?", MB_YESNO + MB_QUESTION + MB_DEFBUTTON2)
- If response = IDNO Then Exit Sub
- End If
- F = FreeFile
- Open Filename For Output As F ' Otherwise, open the file name for output.
- Print #F, frmEditor!txtEdit.Text ' Print the current text to the opened file.
- Close F ' Close the file
- Filename = "Untitled" ' Reset the caption of the main form
- Exit Sub
- CloseError:
- MsgBox "Error occurred trying to close file, please retry.", 48
- Exit Sub
- End Sub
-
- Sub DoUnLoadPreCheck (unloadmode As Integer)
- If unloadmode = 0 Or unloadmode = 3 Then
- Unload frmAbout
- Unload frmEditor
- End
- End If
- End Sub
-
- Sub OpenFile (Filename As String)
- Dim F As Integer
- If "Text Editor: " + Filename = frmEditor.Caption Then ' Avoid opening the file if already loaded.
- Exit Sub
- Else
- On Error GoTo ErrHandler
- F = FreeFile
- Open Filename For Input As F ' Open file selected on File Open About.
- frmEditor!txtEdit.Text = Input$(LOF(F), F)
- Close F ' Close file.
- frmEditor!mnuFileItem(3).Enabled = True ' Enable the Close menu item
- UpdateMenu
- frmEditor.Caption = "Text Editor: " + Filename
- Exit Sub
- End If
- ErrHandler:
- MsgBox "Error encountered while trying to open file, please retry.", 48, "Text Editor"
- Close F
- Exit Sub
- End Sub
-
- Sub UpdateMenu ()
- frmEditor!mnuFileArray(0).Visible = True ' Make the initial element visible / display separator bar.
- ArrayNum = ArrayNum + 1 ' Increment index property of control array.
- ' Check to see if Filename is already on menu list.
- For i = 0 To ArrayNum - 1
- If frmEditor!mnuFileArray(i).Caption = Filename Then
- ArrayNum = ArrayNum - 1
- Exit Sub
- End If
- Next i
-
- ' If filename is not on menu list, add menu item.
- Load frmEditor!mnuFileArray(ArrayNum) ' Create a new menu control.
- frmEditor!mnuFileArray(ArrayNum).Caption = Filename ' Set the caption of the new menu item.
- frmEditor!mnuFileArray(ArrayNum).Visible = True ' Make the new menu item visible.
- End Sub
-
-