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Always ensure that a printer is installed

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Many developers incorrectly assume that a printer is always installed on their customers' machines, and therefore omit to check that this is actually the case. The following function, deceiptively trivial, returns False and displays an error message if no printer has been installed:

Click here to copy the following block
Function PrinterIsInstalled() As Boolean
  Dim dummy As String

  On Error Resume Next
  dummy = Printer.DeviceName
  If Err.Number Then
    MsgBox "No default printer installed." & vbCrLf & _
      "To install and select a default printer, select the " & _
      "Setting / Printers command in the Start menu, and then " & _
      "double-click on the Add Printer icon.", vbExclamation, _
      "Printer Error"
    PrinterIsInstalled = False
    PrinterIsInstalled = True
  End If
End Function

Submitted By : Nayan Patel  (Member Since : 5/26/2004 12:23:06 PM)

Job Description : He is the moderator of this site and currently working as an independent consultant. He works with, SQL Server and other MS technologies. He is, MCDBA and MCSE. In his free time he likes to watch funny movies and doing oil painting.
View all (893) submissions by this author  (Birth Date : 7/14/1981 )

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