공식 표현
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]ASPOSE.TASK의 C ++ API는 표현식의 공식으로 작업, 리소스 및 프로젝트 필드를 사용할 수 있습니다. 작업, 비용, 번호 필드, DateTime, 부울 및 작업 수 및 자원 수와 같은 프로젝트 필드와 같은 필드는 확장 된 속성의 공식 표현식에 사용할 수 있습니다.
산술 표현 사용
1System::SharedPtr<Project> project = CreateTestProjectWithCustomField();
2
3// Set arithmetic formula for extended attribute
4System::SharedPtr<ExtendedAttributeDefinition> attr = project->get_ExtendedAttributes()->idx_get(0);
5attr->set_Alias(u"Arithmetic Expression");
6attr->set_Formula(u"(1+3*(2+ -5)+8/2)^3");
7
8// Display extended attribute value
9System::SharedPtr<Task> task = project->get_RootTask()->get_Children()->GetById(1);
10System::Console::WriteLine(task->get_ExtendedAttributes()->idx_get(0)->get_NumericValue());Using Task Number Fields
1System::SharedPtr<Project> project = CreateTestProjectWithCustomField();
2
3// Set formula
4System::SharedPtr<ExtendedAttributeDefinition> attr = project->get_ExtendedAttributes()->idx_get(0);
5attr->set_Alias(u"Task number fields");
6attr->set_Formula(u"([Outline Level] + [Priority] + [% Complete])/2");
7
8System::SharedPtr<Task> task = project->get_RootTask()->get_Children()->GetById(1);
9
10// Print extended attribute value before and after updating task percent complete
11System::Console::WriteLine(task->get_ExtendedAttributes()->idx_get(0)->get_NumericValue());
12task->Set<int32_t>(Tsk::PercentComplete(), 50);
13System::Console::WriteLine(task->get_ExtendedAttributes()->idx_get(0)->get_NumericValue());Formula With Boolean Values
1System::SharedPtr<Project> project = CreateTestProjectWithCustomField();
2
3// Set formula for extended attribute
4project->get_ExtendedAttributes()->idx_get(0)->set_Formula(u"[Critical]-[Marked]+4+[Active]-Not [Active]");
5
6// Print value of extened attribute
7System::SharedPtr<Task> task = project->get_RootTask()->get_Children()->GetById(1);
8System::Console::WriteLine(System::String(u"Formula with boolean values: ") + task->get_ExtendedAttributes()->idx_get(0)->get_TextValue());Formula With Project Fields
1System::SharedPtr<Project> project = CreateTestProjectWithCustomFieldWithoutResource();
2
3// Set formula
4project->get_ExtendedAttributes()->idx_get(0)->set_Formula(u"\"Total tasks: \" & [Task Count] & \" Total resources: \" & [Resource Count]");
5
6// Print if formula value is computed correctly
7System::SharedPtr<Task> task = project->get_RootTask()->get_Children()->GetById(1);
8System::Console::WriteLine(u"Check Total tasks: 1 Total resources: 0 - {0}", System::ObjectExt::Box<bool>(System::ObjectExt::Equals(task->get_ExtendedAttributes()->idx_get(0)->get_TextValue(), u"Total tasks: 1 Total resources: 0")));