The frame - document view architecture, Visual Basic Programming

Assignment Help:

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.


Related Discussions:- The frame - document view architecture

Develop a web page for accepting information regarding stock, Develop a web...

Develop a web page that is used for accepting information regarding stocks. Make sure the form carry out the possible validations. The simple instance code below merely illustrates

Vb program for simple image processing, A program needs to be written that ...

A program needs to be written that is capable of simple image processing. All the images that are available for you to use, can be found on Blackboard in the Assignments section. T

Wage calculator and ta calculations, ( Wage Calculator with Tax Calculation...

( Wage Calculator with Tax Calculations) Develop an application that calculates an employee’s earnings, as shown in Fig. 4.23. The user should provide the hourly wage and number of

Change calculator, how do i create a change calculator that gives the denom...

how do i create a change calculator that gives the denominations of coins for an amount of change up to .99 cents

Intrinsic controls, INTRINSIC CONTROLS   The Intrinsic controls are th...

INTRINSIC CONTROLS   The Intrinsic controls are the built-in controls. Few of the controls are Combo box, Check box, Command Button, Label etc. The controls have properties re

Deleting records - data control, Deleting Records: To remove a record ...

Deleting Records: To remove a record use the Delete method. To delete the record from the customer table follow the coding as shown below: data1.RecordSource = "Customer"

Message routing - visual basic, Message Routing: The system posts the ...

Message Routing: The system posts the messages to a first-in, first-out queue known as the message queue or it sends the messages directly to a window procedure. The Messages

John Galt requests a program to double-check his Gas Bill, John''s gas supp...

John''s gas supply is read from a 4-digit meter each month that shows the current total gas used in cubic meters. The amount of gas used that month is determined by subtracting t

Design the lookup tables for coding a message, Task 1 - Design the DATEX o...

Task 1 - Design the DATEX operator's user interfaces for: 1. Preparing messages. 2. Sending messages. 3. Viewing received messages. 4. Optionally view the details of the codin

Homework Help, Creating an application that will calculate the cost of a ca...

Creating an application that will calculate the cost of a car rental based on the number of days that the car is rented. the cost of the car rental includes the cost of the car its

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd