IsExcelInstalled - Checking whether MS Excel is installed [ All Languages » VB.net »  Windows] Total Hit ( 2871) Rate this article:     Poor     Excellent   Submit Your Question/Comment about this article Rating

Click here to copy the following block ' this code assumes that you have used this Imports statement ' Imports Microsoft.Win32 Function IsExcelInstalled() As Boolean   ' Define the RegistryKey objects for the registry hives.   Dim regClasses As RegistryKey = Registry.ClassesRoot   ' Check whether Microsoft Excel is installed on this computer,   ' by searching the HKEY_CLASSES_ROOT\Excel.Application key.   Dim regExcel As RegistryKey = regClasses.OpenSubKey("Excel.Application")   If regExcel Is Nothing Then     IsExcelInstalled = False   Else     IsExcelInstalled = True   End If   ' Always close Registry keys after using them.   regExcel.Close() End Function ' Example If IsExcelInstalled() Then   Console.WriteLine("Microsoft Excel is installed") Else   Console.WriteLine("Microsoft Excel is not installed") End If

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