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++

Events, everything about events

everything about events

Properties - intrinsic control, Properties: Every control has a defaul...

Properties: Every control has a default property related with it. The default property does not require to be named when you are functioning. The control Check box as value

Intrinsic controls, INTRINSIC CONTROLS   The Intrinsic controls are th...

INTRINSIC CONTROLS   The Intrinsic controls are the built-in controls. Few of the controls are Combo box, Check box, Command Button, Label etc. The controls have properties re

Context-sensitive help, CONTEXT-SENSITIVE HELP   The Context-sensitive...

CONTEXT-SENSITIVE HELP   The Context-sensitive help gives online help for the circumstances which is associated with that state. The Context-sensitive help can be implemented

Message handling - class wizard, Message Handling: 1. The message is s...

Message Handling: 1. The message is send to the window. And it is sent to the Window Procedure. 2. The message map holds all the message handlers. 3. The window procedur

Messages - visual basic programming, MESSAGES The Windows-based applica...

MESSAGES The Windows-based applications do not make explicit function calls to acquire input. They wait for the system to pass the input to them. The system passes input to the

How to replace the text from textbox to another., I''m doing a project on v...

I''m doing a project on vb.NET. I''m stuck with this place where I should replace the text to different characters from textbox1 to textbox2 without changing text in textbox1. For

Mdi application - types of project using visual c++, MDI Application: ...

MDI Application: The MDI application utilizes the main frame window as the work space in which the user can open more document frame windows.

Resources - visual basic programming, RESOURCES The cursors, Icons, dia...

RESOURCES The cursors, Icons, dialog, bitmaps accelerators, menu, table tool bar and string are the different resources. The resources are compiled by the resource compiler. Th

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