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++

Running statements if a condition is true, To run only one statement while ...

To run only one statement while a condition is True, employ the single-line syntax for the If...Then...Else statement. The following instance shows the single-line syntax. Notice t

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

Vb code to run various iterations , What I understand from the assignment i...

What I understand from the assignment is I have to make the VB code in file nu1. xlsm generic, and run several iterations for Kc and Ti to find out the optimal combination which wi

The frame - document view architecture, The Frame: As the name suggest...

The Frame: As the name suggests, the frame is a combination of the building blocks, structure and the borders of an item. The frame gives the "physical" presence to a window.

Default values for gdi objects, Default Values for GDI Objects: The de...

Default Values for GDI Objects: The default color for the brush is white, pen is black, and default bitmap is null and the default font is system.

Module - dialog box in visual basic, MODULE The Modules are the collect...

MODULE The Modules are the collection of VB statements. Modules are used to simplify the program development. To add a module to your project, choose the project tabpage, and t

Object naming conventions, The following table lists suggested conventions ...

The following table lists suggested conventions for objects you might encounter while programming VBScript. Code Commenting Conventions All process should begin with a brie

Repeating statements while a condition is true, Use the While keyword to ve...

Use the While keyword to verify a condition in a Do...Loop statement. You can verify the condition before you enter the loop (as illustrated in the following ChkFirstWhile instance

Wage calculator and ta calculations, ( Wage Calculator with Tax Calculation...

( Wage Calculator with Tax Calculations) Develop an application that calculates an employee’s earnings, as shown in Fig. 4.23. The user should provide the hourly wage and number of

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