/// <summary>
/// Evaluates the specified condition in the project.
/// WARNING: EvaluateCondition might add a temporary property group and remove it again,
/// which invalidates enumerators over the list of property groups!
/// </summary>
internal static bool EvaluateCondition(MSBuild.Project project,
string condition)
{
const string propertyName = "MSBuildInternalsEvaluateConditionDummyPropertyName";
MSBuild.BuildPropertyGroup pGroup = project.AddNewPropertyGroup(true);
pGroup.AddNewProperty(propertyName, "ConditionFalse");
pGroup.AddNewProperty(propertyName, "ConditionTrue").Condition = condition;
bool result = project.GetEvaluatedProperty(propertyName) == "ConditionTrue";
project.RemovePropertyGroup(pGroup);
return result;
}
