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++

Odbc, ODBC   The ODBC gives an API which distinguishes the data base v...

ODBC   The ODBC gives an API which distinguishes the data base vendors implementation via the ODBC drivers specific to a DBMS. The program will use the API to call the ODBC dr

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

Data types - visual basic, DATA TYPES   The different primitive data t...

DATA TYPES   The different primitive data types are Boolean, Char, Byte, Date, Decimal, Uinteger, Double, Integer, Long, Sbyte, Short, Single, String, Ulong & Ushort. To decla

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

Crop image from tif and paste it on Excel Sheet, I have a tiff image of 25 ...

I have a tiff image of 25 pages. I capture particular square from particular page and past on one excel sheet one by one. it is possible, if yes how. Image have line no and pe

Hierarchy of operation, what are the functions and the importance of hierar...

what are the functions and the importance of hierarchy operators

The Generic Variable and Specific Variable, Explain difference, Generic Var...

Explain difference, Generic Variable: Create Object Ex:-Ole-Automation . No need refer the object library. What is Specific Variable: Binding Procedure Early & Late Binding ( Can

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

Functions, write a v.net function called is vowel that returns true for vow...

write a v.net function called is vowel that returns true for vowel letters

Software that is obscure - basics of gui design, Software That Is Obscure: ...

Software That Is Obscure: The Software hides the intensions, meaning and actions from the user. For illustration, if a user is asked whether a full installation, the custom in

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