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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.
I have a problem with Visual Basic: exchangeable 2 images of place I have 2 picturebox''s placed a button when I click on the button, the 2 pictures of this place change with e
Displaying The Database: The Text box, image box, check box, labels, picture box can be bounded to the data control for exhibiting the data base contents. The two properties a
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
While a run-time error takes place, the properties of the Err object are filled with information which uniquely identifies the error & information which can be used to handle it. I
The Refresh Method: The refresh method transfer to the first record in the record set. To invoke the refresh method follow the syntax which is as shown below: Form1.Data1.R
Write Visual Basic programs for the following: 1. Write a program that uses a "For Loop" to generate a list of temperature conversions in one degree increments from a given
Using Loops to Repeat Code Looping let you to run a group of statements repeatedly. Some loops repeat statements till a condition are False; others repeat statements till a con
Check Box: The check box control takes the value as on or off or grayed. The grayed one is neither on nor off. The user can transform the setting of the grayed check box.
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
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
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