Create an shared ptr object that store the pointer to the int object */ shared_ptr<int> ptr1(new int); //returns a pointer to the managed object cout << "ptr1.get() = "<< ptr1.get() << endl; //print the reference count cout << "ptr1.use_count() = " << ptr1.use_coun...
Tutorial: Create a Maze in Visual Basic This series demonstrates how to create a maze game in which the user has to move the mouse pointer from the start to the finish without touching any of the walls. You will learn how to write code to show a message box, set up event handlers for...
In other words, a pointer holds the memory address of another variable or a memory location. Until recently, the only way to work with pointers in C# was by using unsafe code. You could take advantage of the unsafe keyword to define an unsafe context and then create unmanaged pointers or ...
How To Create a Custom Radio Button Example /* Customize the label (the container) */ .container{ display:block; position:relative; padding-left:35px; margin-bottom:12px; cursor:pointer; font-size:22px; -webkit-user-select:none;
Create buttons to open specific tab content. All <div> elements withclass="tabcontent"are hidden by default (with CSS & JS). When the user clicks on a button - it will open the tab content that "matches" this button. Step 2) Add CSS: ...
You can also use Windows Runtime C++ Template Library types such as Microsoft::WRL::ComPtr in your desktop app to manage the lifetime of COM and other objects. The following code uses the Windows Runtime C++ Template Library to manage the lifetime of the ICalculatorComponent pointer. The ...
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Example definition with a named parameter: int incrementByOne({required int myParameter}) { return myParameter + 1; } Calling the function: incrementByOne(myParameter: 3); To create an instance of a class one needs to call theconstructor“function” (to be concrete “method” because this fu...
In Microsoft Excel, create a new workbook named Test.xls. Save it to C:\Test.xls. Follow steps 1 through 12 in the following Microsoft Knowledge Base article to create a sample project that uses the IDispatch interfaces and member functions defined in the Excel8.olb...
if(!app.CreateDispatch("Excel.Application")) { AfxMessageBox("Couldn't CreateDispatch on Excel"); return; } // Set visible. app.SetVisible(TRUE); // Get Workbooks collection. lpDisp = app.GetWorkbooks(); // Get an IDispatch pointer ...