Controlling a scroll area by a simple Scroll bar in Qt

My objective it to to scroll the scroll are up and down with respe开发者_开发知识库ct to the scroll bar in Qt,

i have only 1 scroll areal in my form

I am using Qt Creator and i think that there must be a simple way to do it. by a simple signal slot mechanism

i will appreciate your help

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You want QScrollArea. If you only want to scroll in one direction, set the policy.