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++

Objective of vb script, The objective of this unit is to describe the basic...

The objective of this unit is to describe the basics of VBScript. After completing this unit, you will be capable to write code for Web pages via VBScript. You will be able to unde

Program to draw a rectangle shape , Create a project that draw a rectangle ...

Create a project that draw a rectangle shape which may be either (*) or (+) according to the selected radio button. The number of rows in the shape will be taken from the 1 st

Vbscript error object clear method, Methods: VBScript Err Object ...

Methods: VBScript Err Object Clear Method Clears every property settings. Raise Method Generate a run-time error.

Design the lookup tables for coding a message, Task 1 - Design the DATEX o...

Task 1 - Design the DATEX operator's user interfaces for: 1. Preparing messages. 2. Sending messages. 3. Viewing received messages. 4. Optionally view the details of the codin

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

Do while loop statement, Do While Loop Statement : The statements conta...

Do While Loop Statement : The statements contained by the do...while loop block executes till the condition given in the while is true. The working of do...loop is elaborate

Source property, Returns or sets the name of the object or application whic...

Returns or sets the name of the object or application which generated the error originally. The Source property indicates a string expression which is usually the class name or pro

Creating constants in vbscript, In VBScript, You create user-defined consta...

In VBScript, You create user-defined constants using the Const statement. It lets you create string or numeric constants along with meaningful names and let you to assign them lite

How to, need general help in pseudo code

need general help in pseudo code

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