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→IOFrame
'''IOFrame''' can obviously draw itself on the screen at a specific location with specific offset.
<big><syntaxhiglight syntaxhighlight lang="cpp">
class IOFrame {
private:
bool IsVisible()const;
};
</syntaxhiglightsyntaxhighlight></big>
'''Constructor:''' Sets the corresponding values to the incoming arguments. if any of the row, col, height or width is less than 0, then the frame will be set to full-screen, which means, row and col will be set to 0 and width and height will be set to the number of columns and rows of the screen, respectively.
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[[OOP344 20102 IOFrame test main|A main() function to test IOFrame::draw Offsets]]<br />
== IOField ==
