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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.
Executesql: The ExecuteSQL is used for executing the query on the database. The CRecordset uses the RFX mechanism to replace data between field data members of the record set
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
Option Explicit Declaration: If the option explicit is used essentially then all the variables will have to be declared. Or else an error will be reported saying that the vari
Create a project that draw a rectangle shape which may be either (*) or (+) according to the selected radio button. The number of rows in the shape will be taken from the 1 st
how do i create a change calculator that gives the denominations of coins for an amount of change up to .99 cents
ILLUSTRATION OF MDI APPLICATION USING A PROJECT 1. Choose the MDI option while generating the project by using the Appwizard. 2. Add the WM_LBUTTONDOWN message for the view
The scope of a variable is finding out by where you declare it. While you declare a variable in a procedure, only code in that procedure can access or alter the value of that varia
MENUS AND TOOL BARS The Menu options can be checked, enabled, disabled, and popped up on an object. The Menu Object: The Menu control is used to generate a menu in
Variable Length Strings: The Strings can be declared using As or $ as shown in the code below; the msg and msg1 are the two strings and they are assigned the values using '='.
Explain difference, Generic Variable: Create Object Ex:-Ole-Automation . No need refer the object library. What is Specific Variable: Binding Procedure Early & Late Binding ( Can
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