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The Frame:
As the name suggests, the frame is a combination of the building blocks, structure and the borders of an item. The frame gives the "physical" presence to a window. The frame defines the position of an object with regards to the Windows desktop. The frame gives borders to a window, borders which the user can grab to size, move & resize the object. The frame is also a type of desk which holds the tools required on an application.
The application cannot exist without a frame. To provide a frame to an application, you can derive a class from the CFrameWnd.
The MFC provides a mechanism for notifying the views of modifications to a document through the UpdateAllViews member function of the CDocument class. The UpdateAllViews function traverse the list of views attached to the document. The function calls the OnUpdate of the CViewClass . Invalidate (TRUE) in OnUpdate clears the client region of the view and calls the OnDraw()function of the view class. The Document View architecture permits the variables in the document class to be exhibited in the view class using the GetDocument() function in the view class.
Files in a SDI and MDI Application: Both the SDI and MDI projects have 4 implementation files (.cpp extension). These are the files equivalent to the Document Class, View Clas
How to create a login form in vb 2010
Variables must always be described with the smallest scope possible. VBScript variables can have the given scope. Scope Where Variable is Declared
DDX - Dialog Data Exchange: The Data members can be related with specific controls in the dialog box. When the dialog box is displayed, the DDX will transfer the values into t
Variant Type: If no data type is related with the VB variables, it takes the default variant type. The variable x will be of the variant type when the two declarations below a
CONTROL ARRAY The control array is a group of similar objects with similar name. Adding controls with control arrays uses less resource than simply adding the multiple controls
Event-Driven Programming: The Event-driven programming allows the program to react to various inputs or events. The action on a graphical component is an event. For il
THE MFC CLASSES The CDocument, CWinAppCFrameWnd and CView are derived from the CObject and they give the majority of the structure and functionality.
Visual Interface Based On Visual Patterns: The visual user interface should create recognizable patterns and text will be used for differentiating the objects with similar pa
PROGRAM TO ZOOM A RECTANGLE AS YOU DRAG 1. Generate a SDI application 2. Declare the 2 member variables clicked of Boolean type and m_ptoldpt of CPoint type. Use the class t
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