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This depends upon the operating system and window server you are programming to.<br />
For instance, in my preferred development environments (NeXTstep, OpenStep, Mac OS X)<br />
you would register a delegate of the Window that implements the windowDidExpose: and<br />
windowDidResize: methods.<br />
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This depends upon the operating system and window server you are programming to.
For instance, in my preferred development environments (NeXTstep, OpenStep, Mac OS X)
you would register a delegate of the Window that implements the windowDidExpose: and
windowDidResize: methods.



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How can I tell whether or not some other random window is blocking part of mine? &nbsp;This is needed so I can redraw my window when it, or part of it, is again visible. &nbsp;You know what I am trying to say....
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How can I tell whether or not some other random window is blocking part of mine?  This is needed so I can redraw my window when it, or part of it, is again visible.  You know what I am trying to say....

C++ Windows Overlapping....

Programming includes both the specifics of the language you’re using, like Visual Basic, .NET, Java and others, but also the best practices in user experience and interfaces and the management of projects, version control and development. Other programming topics are related to web and cloud development and system and hardware programming.