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++

Do loops, You can employ Do...Loop statements to run a block of statements ...

You can employ Do...Loop statements to run a block of statements indefinite number of times. The statements are repeated either whilst a condition is True or till a condition becom

Function procedures - vbscript, This is a series of VBScript statements enc...

This is a series of VBScript statements enclosed through the Function & End Function statements. A Function procedure is same to a Sub procedure, however can also return a value. T

Indexing - visual basic, Indexing: In libraries, the card catalog is t...

Indexing: In libraries, the card catalog is the index. The three indices are used in the library. The Author, Subject and title are the 3 indices. Each index is relative. The

Collection is adding last record, Please help me.. I am loading data from ...

Please help me.. I am loading data from a text file to a class (Item Inventory from Tony Gaddis - Visual Basic - Chapter 12 -programming challange# 7-9) and the last item loaded is

What is meant by dtd?, Question 1 Design a form based applications using l...

Question 1 Design a form based applications using labels, text boxes, and buttons to perform basic arithmetic operations on integers Question 2 Describe the concept of Except

Very Very Boards, This is from the book Programming in Visual Basic 2010 by...

This is from the book Programming in Visual Basic 2010 by Julia Case Bradley and Anita C. Millspaugh. The assignment is located in Chapter 3 on page 154. Before I type it in, I wou

Declaring variables in vbscript, You declare variables explicitly in script...

You declare variables explicitly in script via the Dim statement, the Public statement, & the Private statement. For illustration: Dim DegreesFahrenheit You declare multiple

Document interfaces - visual basic programming, DOCUMENT INTERFACES   ...

DOCUMENT INTERFACES   A SDI (Single document interface) and the MDI (Multiple document interfaces) are the document interfaces. The MDI based applications can have numerous ch

Select case - control statement, Select Case: The Select Case is used ...

Select Case: The Select Case is used for handling the multiple paths. The Select Case computes the expression and depending on the value of the equivalent Case statement execu

Sum of numbers Calculator with Tryparse, I need assistance with writing the...

I need assistance with writing the Tryparse I have 98% of the assignment done.

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