AddIn.Installed Property

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Excel Developer Reference

True if the add-in is installed or to install the add-in, False if the add-in is uninstalled or to uninstall the add-in. Read/write Boolean.

Syntax

expression.Installed

expression   A variable that represents an AddIn object.

Remarks

Setting this property to True installs the add-in and calls its Auto_Add functions. Setting this property to False removes the add-in and calls its Auto_Remove functions.

Example

This example uses a message box to display the installation status of the Solver add-in.

Visual Basic for Applications 
  Set a = AddIns("Solver Add-In")
If a.Installed = True Then
    MsgBox "The Solver add-in is installed"
Else
    MsgBox "The Solver add-in is not installed"
End If

See Also