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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.
Coding conventions are recommended that may help you write code via Microsoft Visual Basic Scripting Edition. Coding conventions can include the given: Naming conventions for ob
CLASS WIZARD The Class wizard shown in figure is a tool to handle the message handlers for objects, to define the member variables. Figure: Class Wizard
MESSAGE LOOP The message loop is the code in the Win 32 based application. It retrieves messages from the application's message queue and passes these to the related window
We will discuss scripting language; called VB Script. VBScript is Microsoft's scripting language. It enables us to write programs which enhance the power of Web pages by letting us
To run only one statement while a condition is True, employ the single-line syntax for the If...Then...Else statement. The following instance shows the single-line syntax. Notice t
how do i create a change calculator that gives the denominations of coins for an amount of change up to .99 cents
Write an event procedure to automate the billing system of a supermarket. Give the details of database tables, forms, controls and menu design (if any). Make assumptions, wherever
DATA TYPES The different primitive data types are Boolean, Char, Byte, Date, Decimal, Uinteger, Double, Integer, Long, Sbyte, Short, Single, String, Ulong & Ushort. To decla
FILE SYSTEM CONTROLS There are 3 file system controls as shown in figure. The drive list box, directory list box & the file list box. The drive list box control is used to exhi
Message Box: The Message Box can be specified a title as shown in figure to specify the title for the message box follow by the command given below: Private Sub Command1_C
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