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++

Homework Help, Creating an application that will calculate the cost of a ca...

Creating an application that will calculate the cost of a car rental based on the number of days that the car is rented. the cost of the car rental includes the cost of the car its

Vbscript error object clear method, Methods: VBScript Err Object ...

Methods: VBScript Err Object Clear Method Clears every property settings. Raise Method Generate a run-time error.

Vbscript constants, A constant is a meaningful name which takes the place o...

A constant is a meaningful name which takes the place of a number or string and never alters. VBScript described a number of intrinsic constants. You can get thorough information r

Balancesheet, i need sample balance sheet form in vb.net

i need sample balance sheet form in vb.net

Create a procedure - vbscript, Each piece of data is passed in your process...

Each piece of data is passed in your process using an argument. Arguments serve like placeholders for the data you wish to pass into your process. You can name your arguments along

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

Appwizard, APPWIZARD   The Appwizard is a tool used for creating a p...

APPWIZARD   The Appwizard is a tool used for creating a project. It follows a series of steps to create a project. Steps Involved in Creating A Project: Step 1: Fr

Multiple Forms Issue, i want to use two forms in vb.net. when the progress ...

i want to use two forms in vb.net. when the progress bar in form1 reaches on a specific value then disable form1 and progress bar will stop and the second Form2 will popup which wi

Loop statement from inside the loop, You can exit a Do...Loop using the Exi...

You can exit a Do...Loop using the Exit Do statement. Since usually you desire to exit only in certain situations, such as to ignore an endless loop, you should employ the Exit Do

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

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