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++

#tit, anumberisprimeornot

anumberisprimeornot

Project on VB6.0, I need a VB6 software for making a soccerboard for 10 tea...

I need a VB6 software for making a soccerboard for 10 teams & automatically generate their fixtures

Looping, how to make logic of o program and how to use loop

how to make logic of o program and how to use loop

Number property, Returns or sets a numeric value indicating an error. Numbe...

Returns or sets a numeric value indicating an error. Number is the Err object's default property. While returning user-defined error from an Automation object, set Err.Number throu

Constant naming conventions, Earlier versions of VBScript had no mechanism ...

Earlier versions of VBScript had no mechanism for making user-defined constants. Constants, if utilized, were implemented as variables & distinguished from other variables by using

Aim - control statement, Aim: To exhibit what is the day when the seco...

Aim: To exhibit what is the day when the second command button is clicked and to clear the screen when the first command button is clicked. The functioning of this program is

Data types, what are the basic vb data types

what are the basic vb data types

Dictionary, how to make dictionary in vb using ms access

how to make dictionary in vb using ms access

Do until loop statement , Do Until Loop Statement: The statements with...

Do Until Loop Statement: The statements within the do...until loop block executes till the condition given in until become true. The working of do...until loop is elaborated w

Loops - VBScript, Using Loops to Repeat Code Looping let you to run a g...

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

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