GH_ScrollBarVerticalBase

Provides basic vertical scroll bar logic.

Properties

public int Content { get; set; }

Gets or sets the height of the content

public double ContentOffset { get; }

Gets the vertical offset (in pixels) of the scrolled content.

public int Display { get; set; }

Gets or sets the height of the display area.

public int Minimum { get; set; }

Gets or sets the minimum height of the scrollbar.

public int Offset { get; }

Gets the offset of the scroller.

public double OffsetNormalised { get; set; }

Gets or sets the normalised offset of the scroller.

public void BeginDrag(RectangleF region, double start)

Start a new drag operation.

Parameters:

region (RectangleF)	Scroll bar region (the rectangle in which the scroll bar is allowed to move).
start (double)	Vertical offset of scroll drag.

public bool ContinueDrag(double position)

Continue a drag operation.

Parameters:

position (double)

New offset hint.

Returns: True if the drag resulted in an offset change, false if not.

public Rectangle ScrollBar(Rectangle rail)

Compute the size and position of the scroll bar in the scroll rail.

Parameters:

Rail for scroll bar to move around in.

Returns: A rectangle describing the location and extends of the scroll bar.

public RectangleF ScrollBar(RectangleF rail)

Compute the size and position of the scroll bar in the scroll rail.

Parameters:

Rail for scroll bar to move around in.

Returns: A rectangle describing the location and extends of the scroll bar.