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An Invitation to the Roland World of Music
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Roland - An Invitation To The Roland World Of Music.bin
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vb
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vb30
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disk1
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ole2mod2.ba_
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ole2mod2.bin
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1993-04-27
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119 lines
Option Explicit
Global MDINew As Integer
Sub NewObject ()
MDINew = True
NewOleForm
If MDIfrm.ActiveForm.Ole1.OLEType <> OLE_NONE Then
MDIfrm.ActiveForm.Ole1.Action = OLE_ACTIVATE
Else
Unload MDIfrm.ActiveForm
End If
End Sub
Sub NewOleForm ()
Dim Newform As New frmOLE
Newform.Show
UpdateCaption
End Sub
Sub OpenObject ()
MDINew = False
NewOleForm
OpenSave ("Open")
If MDIfrm.ActiveForm.Ole1.OLEType = OLE_NONE Then
Unload MDIfrm.ActiveForm
End If
End Sub
Sub OpenSave (Action As String)
Dim Filenum
Filenum = FreeFile
' Set common dialog options.
MDIfrm.ActiveForm.CMDialog1.Filter = "OLE 2.0 Objects|*.OLE"
MDIfrm.ActiveForm.CMDialog1.FilterIndex = 1
MDIfrm.ActiveForm.Ole1.FileNumber = Filenum
On Error Resume Next
Select Case Action
Case "Save"
' Display Save As dialog.
MDIfrm.ActiveForm.CMDialog1.Action = 2
If Err Then
' user pressed cancel
If Err = 32755 Then
Exit Sub
Else
MsgBox "An unanticipated error occured with the Save As dialog."
End If
End If
' Open and save the file.
Open MDIfrm.ActiveForm.CMDialog1.Filename For Binary As Filenum
If Err Then
MsgBox (Error)
Exit Sub
End If
MDIfrm.ActiveForm.Ole1.Action = OLE_SAVE_TO_FILE
If Err Then MsgBox (Error)
Case "Open"
' Display File Open dialog.
MDIfrm.ActiveForm.CMDialog1.Action = 1
If Err Then
' user pressed cancel
If Err = 32755 Then
Exit Sub
Else
MsgBox "An unanticipated error occured with the Open As dialog."
End If
End If
' Open the file.
Open MDIfrm.ActiveForm.CMDialog1.Filename For Binary As Filenum
If Err Then
Exit Sub
End If
' Display hourglass.
Screen.MousePointer = 11
MDIfrm.ActiveForm.Ole1.Action = OLE_READ_FROM_FILE
If (Err) Then
If Err = 30015 Then
MsgBox "Not a valid OLE object."
Else
MsgBox Error$
End If
Unload MDIfrm.ActiveForm
End If
' Set form properties now that OLE control contains an object.
UpdateCaption
' Restore mouse pointer.
Screen.MousePointer = 0
End Select
Close Filenum
End Sub
Sub UpdateCaption ()
Dim Verb
' Set Form properties now that it contains an object.
MDIfrm.ActiveForm.Caption = MDIfrm.ActiveForm.Ole1.Class + " Object"
MDIfrm.ActiveForm.mnuObject.Caption = MDIfrm.ActiveForm.Ole1.Class + " " + MDIfrm.ActiveForm.mnuObject.Caption
On Error Resume Next
For Verb = 1 To VerbMax
Load MDIfrm.ActiveForm.mnuVerbs(Verb)
If Err = 360 Then ' Object already loaded.
Unload MDIfrm.ActiveForm.mnuVerbs(Verb)
Load MDIfrm.ActiveForm.mnuVerbs(Verb)
Err = 0
End If
Next Verb
MDIfrm.ActiveForm.mnuVerbs(0).Visible = False
End Sub