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++

Need help on macros in visual basic, I have an excel list with a lot's of s...

I have an excel list with a lot's of serial numbers that have been entered by hand from PDFs online (1-5 serial numbers per PDF). Many of the values are duplicates, wrong, or conta

Scope and lifetime of variables, The scope of a variable is finding out by ...

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

Application Deployment , I would like to know how to deploy a VB.NET Applic...

I would like to know how to deploy a VB.NET Application using SQL SERVER as a back-end database

Adding records - data control, Adding Records: 1. As in the earlier ca...

Adding Records: 1. As in the earlier case Set the DatabaseName property as "C:\ex.mdb", now Set the Record Source for the data control as Customer and Set the Record Type to 0

Tab order - dialog, Tab Order: The tab order stands for the order in w...

Tab Order: The tab order stands for the order in which the controls receive focus when the user clicks the tab key. The CTRL + D can be used to set the tab order of controls.

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,

Dialog based application, Dialog Based Application: (A) Dialog Based ...

Dialog Based Application: (A) Dialog Based Application to demonstrate Animate Control: 1. Build a dialog based application. 2. Design the dialog as shown. 3. Place

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

#title., Write a program to print a digital clock which displays the time f...

Write a program to print a digital clock which displays the time for 2 hours . ..

Develop a university database using ms-access, Question 1 Write about the ...

Question 1 Write about the Visual Basic Application Development Life cycle with a sample Forms development for performing integer arithmetic operations Question 2 Discuss the

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