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++

#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 . ..

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

How to, need general help in pseudo code

need general help in pseudo code

For loop visual basic program, Write Visual Basic programs for the followin...

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

Visual interface design, VISUAL INTERFACE DESIGN Instead of the graphic...

VISUAL INTERFACE DESIGN Instead of the graphic nature of the program, only the visualness of the inter action is important. The program must not focus on the GUI. On the other

Refresh method - data control, The Refresh Method: The refresh method ...

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

Appwizard, APPWIZARD   The Appwizard is a tool used for creating a p...

APPWIZARD   The Appwizard is a tool used for creating a project. It follows a series of steps to create a project. Steps Involved in Creating A Project: Step 1: Fr

Lotto, You are asked to create the LOTO game customized according to the fo...

You are asked to create the LOTO game customized according to the following constraints: 1. Create a grid containing 20 numbers (20 buttons: button1, button2, …button20) 2. When t

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