Device context - visual c++, Visual Basic Programming

Assignment Help:

DEVICE CONTEXT

The device context provides the essential drawing tools and the platform to draw. It helps to draw the text, shapes, lines etc. To create the device context, the MFC provides different classes like CDC and CClientDC.

The CDC is the most primary class to draw in MFC. It provides all of the fundamental drawing steps.

The CClientDC class is used for drawing in the client region of a window.

The Device context is a windows data structure which supports the device independent output.

The function of device context is best elaborated by the figure.

624_role of device context.png

Figure: The Role of Device Context

The logical display is a virtual device and Actual display is the physical device. The programmers do not require worrying about the medium in which he is writing the output. The device context takes care of the output medium.


Related Discussions:- Device context - visual c++

Recurson, types and concept of recurson

types and concept of recurson

Introduction to visual basic, INTRODUCTION TO VB: The Windows programmi...

INTRODUCTION TO VB: The Windows programming is an event driven programming. The VB uses the Hungarian Notation for naming the variables. It deals with new data types like HWND,

Repeating statements while a condition is true, Use the While keyword to ve...

Use the While keyword to verify a condition in a Do...Loop statement. You can verify the condition before you enter the loop (as illustrated in the following ChkFirstWhile instance

program that compares interest rates between two banks, 'This program comp...

'This program compares interest rates between two banks and determines the best bank PublicClassForm1 PrivateSub Button1_Click(sender AsSystem.Object, e AsSystem.EventArgs) H

Vbscript dictionary object properties, Just like normal objects Dictionary ...

Just like normal objects Dictionary object also has definite properties. These properties can be set to any valid value & can be retrieved as and while required. Pr

Scalar variables and array variables, Mostly time, you just desire to assig...

Mostly time, you just desire to assign a single value to a variable you have declared. A variable having a single value is a scalar variable. At other times, this is convenient to

Coding, Write an event procedure to automate the billing system of a superm...

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

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

Mechanical project, sir , i need visual basic form design & coding for Reyn...

sir , i need visual basic form design & coding for Reynolds number & type of flow .

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