public override bool Evaluate(ExtensionContext ctx)
{
if (!base.Evaluate(ctx))
{
return(false);
}
if (!string.IsNullOrEmpty(addin))
{
// Make sure the add-in that implements the condition is loaded
addinEngine.LoadAddin(null, addin, true);
addin = null; // Don't try again
}
ConditionType type = ctx.GetCondition(typeId);
if (type == null)
{
var parts = string.Join(", ", Array.ConvertAll(node.Attributes, attr => attr.Name + "=" + attr.Value));
addinEngine.ReportError("Condition '" + typeId + "' not found in current extension context. [" + parts + "]", node.ParentAddinDescription.AddinId, null, false);
return(false);
}
try {
return(type.Evaluate(node));
}
catch (Exception ex) {
addinEngine.ReportError("Error while evaluating condition '" + typeId + "'", node.ParentAddinDescription.AddinId, ex, false);
return(false);
}
}
