How to write code in C language to change the font size?

1 year ago
Ava Mitchell
1 minute

In C language, changing the font size is achieved using functions of the console window. Here is an example code using the Windows API function SetConsoleFontSize() to change the font size.

#include <windows.h>

int main()
{
    HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
    CONSOLE_FONT_INFOEX fontInfo;
    fontInfo.cbSize = sizeof(CONSOLE_FONT_INFOEX);
    GetCurrentConsoleFontEx(hConsole, FALSE, &fontInfo);

    fontInfo.dwFontSize.X = 12; // 设置字体宽度
    fontInfo.dwFontSize.Y = 24; // 设置字体高度
    SetCurrentConsoleFontEx(hConsole, FALSE, &fontInfo);

    printf("改变字体大小示例\n");
    // 其他代码...

    return 0;
}

The code above uses the CONSOLE_FONT_INFOEX structure to adjust the font size. It retrieves the current font information using the GetCurrentConsoleFontEx() function, then modifies the X and Y values of the dwFontSize field to set the width and height of the font. Finally, it applies the modified font to the console window using the SetCurrentConsoleFontEx() function.

It is important to note that this code is only effective on the Windows platform; different technologies or libraries may be required to change the font size on Linux and other operating systems.

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