NSVIew Custom view is not resizing

I am newbie in Mac programming, using all standard approach I put a custom view inside a window contro开发者_C百科ller. When I try to resize a window by mouse, inner content, i.e. custom view is not getting resized.

Can anyone tell me what is missing in my code? So far I have done following:

1. Setting AutoResize subview in all view inside the window
2. Set AutoResizeMask to Width and height

When I checked using NSLog in reference code where resize is happening, then I came to know for my code DrawRect for a view is not getting called. I suspect this might be the issue, but why this is not getting I am not able to figure it out.

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Is your code like this

[yourCustomView setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];