Coming mainly from a C background, the requirement to use the struct keyword in C when declaring a stack variable or function parameter seems unnecessary, somewhat uglies up the code and reduces portability between C and C (which I recognize is not the responsibility of the C standard, but still). Throughout this article the code snippits will not assume either C or C, so the #include section will be bracketed by the appropriate #ifdef tests depending on which language you are using. If you know yourself to be using just one, you can get rid of everything except for the proper #includes. The following example uses the Clear method to clear the console before it executes a loop, prompts the user to select a foreground and background color and to enter a string to display. If the user chooses not to exit the program, the console's original foreground and background colors are restored and the Clear method is called again before re-executing the loop. Jun 22, 2016 For example, in case of C after encountering “scanf”, if we need to input a character array or character,and in case of C, after encountering“cin” statement, we require to input a character array or a string, we require to clear the input buffer or else the desired input is occupied by buffer of previous variable, not by the. However, there is no Win32 Application Programming Interface (API) or C-Runtime function that will perform this function. To accomplish this task for a Win32 console application, use one of the following methods: Use a system function. Write a function that will programmatically clear the screen.
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DefinitionC++ Clear Screen CodeCommand To Clear Screen In Dev C++![]()
Clears the console buffer and corresponding console window of display information.
Exceptions
An I/O error occurred.
Examples
The following example uses the Clear method to clear the console before it executes a loop, prompts the user to select a foreground and background color and to enter a string to display. If the user chooses not to exit the program, the console's original foreground and background colors are restored and the Clear method is called again before re-executing the loop.
The example relies on a
GetKeyPress method to validate the user's selection of a foreground and background color.
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This example demonstrates the CursorLeft and CursorTop properties, and the SetCursorPosition and Clear methods. The example positions the cursor, which determines where the next write will occur, to draw a 5 character by 5 character rectangle using a combination of '+', '|', and '-' strings. Note that the rectangle could be drawn with fewer steps using a combination of other strings.
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![]() Remarks
Using the Clear method is equivalent invoking the MS-DOS
cls 80s auto tune songs. command in the command prompt window. When the Clear method is called, the cursor automatically scrolls to the top-left corner of the window and the contents of the screen buffer are set to blanks using the current foreground background colors.
Note
Attempting to call the Clear method when a console application's output is redirected to a file throws a IOException. To prevent this, always wrap a call to the Clear method in a
try …catch block.
How To Clear Screen In Dev C++Applies toComments are closed.
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