Add Auto Scroll to a window with multiple buttons

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C

Windows

Win32

Visual-Studio

, +

I have created a window and added almost 50 buttons to it. But the problem is that I can only see a few of those buttons as my window does not scroll up/down or left/right to show me the remaining buttons.

If my window is an edit box, I can easily add AutoScroll to it i.e. as soon as the text in edit window exceeds the available area on the window, it starts scrolling. But that functionlity is only for edit window.

How can I add such functionlity of Auto-Scroll to a window (which is not an Edit Window) with multiple buttons i.e. if number of buttons exceed the available space on window, it must start auto scrolling.