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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.
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.
Case: Design a web page that contains the VBScript utilized for calculating subtotals, taxes, discounts & totals as well as code utilized to validate use
Methods: VBScript Err Object Clear Method Clears every property settings. Raise Method Generate a run-time error.
CLASS WIZARD The Class wizard shown in figure is a tool to handle the message handlers for objects, to define the member variables. Figure: Class Wizard
write a detailed account on ADO.net architecture.
Indexing: In libraries, the card catalog is the index. The three indices are used in the library. The Author, Subject and title are the 3 indices. Each index is relative. The
I would like someone to look at my code and tell me why it''s not working
Variable Length Strings: The Strings can be declared using As or $ as shown in the code below; the msg and msg1 are the two strings and they are assigned the values using '='.
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A program is needed to assist computing automobile repair bills. The cost of labor is $35 per hour. The costs for parts are subject to a 5% sales tax, which should be added t
ODBC The ODBC gives an API which distinguishes the data base vendors implementation via the ODBC drivers specific to a DBMS. The program will use the API to call the ODBC dr
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