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public CController getController() {return} CController the currently active controller. Null is returned in this base class.Source Code: framework/base/CApplication.php#547 (show) public function getController(){ return null;} getCoreMessages() method public CPhpMessageSource getCoreMessages()...
When you overrideAssertValid, call the base class version ofAssertValidbefore you perform your own checks. Then use the ASSERT macro to check the members unique to your derived class, as shown here: #ifdef _DEBUG void CPerson::AssertValid() const { // Call inherited AssertValid first. CObj...
Compiler warning (level 3, error) C4609 'type1' derives from default interface 'interface' on type 'type2'. Use a different default interface for 'type1', or break the base/derived relationship. Compiler warning (level 4) C4610 class 'name' can never be instantiated - user defined constr...
#include<iostream>using namespace std;classBase{public:inline virtualvoidwho(){cout<<"I am Base\n";}virtual~Base(){}};classDerived:publicBase{public:inlinevoidwho()// 不写inline时隐式内联{cout<<"I am Derived\n";}};intmain(){// 此处的虚函数 who(),是通过类(Base)的具体对象(b)来调...
CPane::CreateObject Used by the framework to create a dynamic instance of this class type. CPane::DockByMouse Docks a pane by using the mouse docking method. CPane::DockPane Docks the floating pane to a base pane. CPane::DockPaneStandard Docks a pane by using outline (standard) docking...
区分接口继承和实现继承(在 public 继承之下,derived classes 总是继承 base class 的接口;pure virtual 函数只具体指定接口继承;非纯 impure virtual 函数具体指定接口继承及缺省实现继承;non-virtual 函数具体指定接口继承以及强制性实现继承) 考虑virtual 函数以外的其他选择(如 Template Method 设计模式的 non-virtual...
When you implement a modeless dialog box, always override theOnCancelmember function and callDestroyWindowfrom within it. Don't call the base classCDialog::OnCancel, because it callsEndDialog, which will make the dialog box invisible but will not destroy it. You should also overridePostNcDestroy...
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[superinitWithNibName:nil bundle:nil];if(self) {_news = news;}returnself;}// Override the immediate superclass's designated initializer (重载直接父类的 designated initializer)- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{// call the new designated ...