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Reference for unit 'Forms' (#lcl)

TControlScrollBar.ScrollBarShouldBeVisible

Determines whether a scroll bar is required.

Declaration

Source position: forms.pp line 143

protected function TControlScrollBar.ScrollBarShouldBeVisible: Boolean; virtual;

True when Visible, and Range is larger than the Page size.

TControlScrollBar.Page		Number of pixels needed for a page on the associated control.
TControlScrollBar.Range		The size of the logical display area on the associated control for the scroll bar orientation.
TControlScrollBar.Visible		Hides the scroll bar when False (default True).