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++

Change calculator, how do i create a change calculator that gives the denom...

how do i create a change calculator that gives the denominations of coins for an amount of change up to .99 cents

How to include list box control in visual basic project, How to Include Lis...

How to Include List Box control in your project A list box is used for representing the users with a data. You can prefer the data from the list box for data entry. No editing

Use of wm_size message - class wizard, Use of WM_SIZE Message: Wheneve...

Use of WM_SIZE Message: Whenever the WM_SIZE message is handled and the graphical objects on the output window will also change consequently to the output window. The functi

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

Program for elevator application, You are given a console program in both V...

You are given a console program in both VB and C# that uses a class CElevator (ElevatorAppAssign). The main modules are in the assign directory class files. Below is a discus

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

Files in a visual basic project, FILES IN A VB PROJECT The project file...

FILES IN A VB PROJECT The project file has the.vbp extension. The form in which we draw has the .frm extension; .mod denotes the module file; .cls denotes the class file; .res

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

Add Vbscript code to an html page, You can employ the SCRIPT element to add...

You can employ the SCRIPT element to add VBScript code to an HTML page. The SCRIPT Tag VBScript code is written inside paired SCRIPT tags. For instance, a process to test

Tab order - dialog, Tab Order: The tab order stands for the order in w...

Tab Order: The tab order stands for the order in which the controls receive focus when the user clicks the tab key. The CTRL + D can be used to set the tab order of controls.

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