TTMSFNCBloxNavigator Class

A thumbnail overview control that displays a scaled-down view of an associated diagram control and lets the user scroll and zoom that diagram by dragging inside the overview.

API unit family: TMSFNCBloxNavigator Inherits from: TTMSFNCCustomControl

Syntax

TTMSFNCBloxNavigator = class(TTMSFNCCustomControl)

Remarks

Link the navigator to a diagram control through BloxControl. The navigator draws the full diagram, highlights the currently visible region, and updates the linked control as the highlighted region is dragged or resized.

Properties

Name	Description
BackgroundColor	The color used to fill the area behind the scaled-down diagram in the overview.
BlockShape	Selects whether blocks are drawn with their original shape or as plain rectangles in the overview.
BloxControl	The diagram control the navigator previews and controls. Assigning it links the overview to that control's content and visible region.
Color	The color used to fill the navigator surface around the scaled-down diagram region.
EnableZoom	Allows the user to change the linked control's zoom by dragging the border of the highlighted visible-area rectangle.
HighlightColor	The color of the rectangle that highlights the currently visible region of the diagram.
HighlightWidth	The pen width, in pixels, used to draw the visible-area highlight rectangle.
MoveCursor	The cursor shown while the pointer is over the highlight interior, where dragging scrolls the linked control.
PaintLines	Determines whether connecting lines between blocks are drawn in the overview.
ZoomCursor	The cursor shown while the pointer is over the highlight border, where dragging changes the zoom level.