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++

Application to count the number of possible triangles, A triangle is equila...

A triangle is equilateral if all three sides are equal, isosceles if any two (but no more than two) sides are equal, and scalene if no two sides are equal. A triangle will be input

Executesql - database application, Executesql: The ExecuteSQL is used ...

Executesql: The ExecuteSQL is used for executing the query on the database. The CRecordset uses the RFX mechanism to replace data between field data members of the record set

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

Programming project using straight-line method, Depreciation to a Salvage V...

Depreciation to a Salvage Value of 0.   For tax purposes an item may be depreciated over a period of several years, n. With the straight-line method of depreciation, each year th

program that compares interest rates between two banks, 'This program comp...

'This program compares interest rates between two banks and determines the best bank PublicClassForm1 PrivateSub Button1_Click(sender AsSystem.Object, e AsSystem.EventArgs) H

Mechanical project, sir , i need visual basic form design & coding for Reyn...

sir , i need visual basic form design & coding for Reynolds number & type of flow .

Project to display a database - data control, A Project to Display a Databa...

A Project to Display a Database: 1. Suppose that there are 5 fields describing a customer. Id, address, name, city & state. 2. Put 5 text boxes on the form to exhibit the r

Shopping cart, Shopping Cart Purpose – Allows user to browse while keeping ...

Shopping Cart Purpose – Allows user to browse while keeping track of the items in which they will purchase at the end on the order page link and this will give a final price for al

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"

Three models for user interface design, THREE MODELS FOR USER INTERFACE DES...

THREE MODELS FOR USER INTERFACE DESIGN   The 3 models for the user interface design are the implementation model, mental model &the manifest model. The Implementation Mod

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