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++

Illustration of ccolordialog, ILLUSTRATION OF CCOLORDIALOG The construc...

ILLUSTRATION OF CCOLORDIALOG The constructor of the CColorDialog takes the initial parameter as the default color and the next parameter specifies how much the dialog is displa

For next loop - vbscript, You can employ For...Next statements to run a blo...

You can employ For...Next statements to run a block of statements a specific number of times. For loops, employ a counter variable whose value is increased or decreased with each r

Application for vehicle dealership, A vehicle dealership has a number of di...

A vehicle dealership has a number of different items for sale: motorbikes, cars, vans and boats. Each class of items for sale has different characteristics that need to be recor

Dynamic link library - dll , DYNAMIC LINK LIBRARY - DLL   The DLL are ...

DYNAMIC LINK LIBRARY - DLL   The DLL are files which can be called when required by the other program that is running in the computer. The DLL files which support the specific

Hungarian notation, Hungarian Notation: The Hungarian Notation was inv...

Hungarian Notation: The Hungarian Notation was invented by Charles Simonyi from Microsoft. It is a naming convention. It is a reminder of the type of a variable. The Handles h

Dynamic link library - database applications, DYNAMIC LINK LIBRARY   T...

DYNAMIC LINK LIBRARY   The dynamic link library (dll) permits one copy of a function to be shared among some parallel executing programs. The dll is a file that contains a num

Deleting records - data control, Deleting Records: To remove a record ...

Deleting Records: To remove a record use the Delete method. To delete the record from the customer table follow the coding as shown below: data1.RecordSource = "Customer"

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

Visual Basic 2010 by Julia Case Bradley and Anita C. Millspa, - I have the ...

- I have the chapter 5 project completed already. This is due tomorrow. Modify the Very Very .Boards project from Chapter 5 to separate the user interface from the business logic.

Features of user interface design, FEATURES OF USER INTERFACE DESIGN Th...

FEATURES OF USER INTERFACE DESIGN The features like how will the software's are used? Who will be the users? What will be the life of the software? During its lifetime how ofte

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