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++

Question, #question.algorithemtofindwhetheragivennumberisprime/not.

#question.algorithemtofindwhetheragivennumberisprime/not.

Vb script, We will discuss scripting language; called VB Script. VBScript i...

We will discuss scripting language; called VB Script. VBScript is Microsoft's scripting language. It enables us to write programs which enhance the power of Web pages by letting us

Program to zoom a rectangle as you drag - visual c++, PROGRAM TO ZOOM A REC...

PROGRAM TO ZOOM A RECTANGLE AS YOU DRAG 1. Generate a SDI application 2. Declare the 2 member variables clicked of Boolean type and m_ptoldpt of CPoint type. Use the class t

Input box - dialogue box in visual basic , Input Box: To demonstrate t...

Input Box: To demonstrate the use of the Input Box as shown in figure. Now consider the illustration shown below: 1. Initiate a new project 2. Select the standard exe

Differences between Property Get, What are the differences between Property...

What are the differences between Property Get, Set and Let? Set - Value assigned to ActiveX Object from the form. Let - Value retried to ActiveX Object from the form. Get- Assigns

Document view architecture, DOCUMENT VIEW ARCHITECTURE The Document/Vie...

DOCUMENT VIEW ARCHITECTURE The Document/View architecture is used to build an application based on the Microsoft Foundation Classes library. The Document/View architecture is s

ADO.net architecture, write a detailed account on ADO.net architecture.

write a detailed account on ADO.net architecture.

Employee data, Part 1: Create an application that allows the user to enter ...

Part 1: Create an application that allows the user to enter the following employee data: First Name, Middle Name, Last Name, Employee Number, Department, Telephone Number, Telephon

Drawing, #questiontypes of lines and how to draw

#questiontypes of lines and how to draw

Class wizard, CLASS WIZARD The Class wizard shown in figure is a tool t...

CLASS WIZARD The Class wizard shown in figure is a tool to handle the message handlers for objects, to define the member variables. Figure: Class Wizard

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