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.

Use serialize function in document class to implement file, USE OF SERIALIZ...

USE OF SERIALIZE FUNCTION IN DOCUMENT CLASS TO IMPLEMENT FILE void CStoreDoc::Serialize(CArchive& ar) { if (ar.IsStoring()) { // TODO: add storing code here }

Introduction to controls and toolbars, INTRODUCTION TO CONTROLS AND TOOLBAR...

INTRODUCTION TO CONTROLS AND TOOLBARS The Visual Basic programming is an event driven programming. In the form objects the termed controls are placed. We can put the properties

Dictionary, how to make dictionary in vb using ms access

how to make dictionary in vb using ms access

Running statements if a condition is true, To run only one statement while ...

To run only one statement while a condition is True, employ the single-line syntax for the If...Then...Else statement. The following instance shows the single-line syntax. Notice t

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

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

Create an application, 1. Create a new solution file named Ch03HandsOnProje...

1. Create a new solution file named Ch03HandsOnProject1. 2. Rename the form and set the filename of the form to frmMain and frmMain.vb, respectively. 3. Set the appropriate p

Check box - visual basic, Check Box: The check box control takes the v...

Check Box: The check box control takes the value as on or off or grayed. The grayed one is neither on nor off. The user can transform the setting of the grayed check box.

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