/// <summary>
/// Evaluates a logical expression containing symbols and values.
/// </summary>
/// <param name="condition">conditional expression</param>
/// <returns>The result of the condition evaluation</returns>
/// <exception cref="InvalidHandleException">the Session handle is invalid</exception>
/// <exception cref="ArgumentNullException">the condition is null or empty</exception>
/// <exception cref="InvalidOperationException">the conditional expression is invalid</exception>
/// <remarks><p>
/// Win32 MSI API:
/// <a href="http://msdn.microsoft.com/library/en-us/msi/setup/msievaluatecondition.asp">MsiEvaluateCondition</a>
/// </p></remarks>
public bool EvaluateCondition(string condition)
{
if (string.IsNullOrWhiteSpace(condition))
{
throw new ArgumentNullException("condition");
}
uint value = RemotableNativeMethods.MsiEvaluateCondition((int)this.Handle, condition);
if (value == 0)
{
return(false);
}
else if (value == 1)
{
return(true);
}
else
{
throw new InvalidOperationException();
}
}
