Class SLScope.TSLDisplayCursor

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Package: SignalLabScopePkg

Unit: SLScope

Inherits: TSLOptionalAxesDisplayCollectionItem

Contents 1 Syntax 1.1 Delphi: 1.2 C++ Builder: 1.3 Visual C++ (MFC): 1.4 C# (.NET): 2 Summary 3 Description 4 Properties 4.1 Published 4.2 Public 5 Methods 5.1 Public 6 Events 7 From TSLOptionalAxesDisplayCollectionItem 8 Methods 8.1 Public 9 From TSLOptionalDisplayCollectionItem 10 Properties 10.1 Published 11 From TSLDisplaySelectableCollectionItem 12 Methods 12.1 Public 13 From TSLDisplayCollectionItem 14 Properties 14.1 Published 15 From TLPNamedCollectionItem 16 Properties 16.1 Published 17 From TLPCollectionItem 18 Methods 18.1 Public

Syntax

Delphi:

type TSLDisplayCursor = class( TSLOptionalAxesDisplayCollectionItem )

C++ Builder:

class TSLDisplayCursor : public TSLOptionalAxesDisplayCollectionItem

Visual C++ (MFC):

class CTSLDisplayCursor : public CTSLOptionalAxesDisplayCollectionItem

C# (.NET):

public ref class DisplayCursor : Mitov.PlotLab.OptionalAxesDisplayCollectionItem

Summary

Display channel cursor.

Description

Defines a display channel cursor. Cursors are used mainly to measure elements of on the display.

Properties

Published

• Position - Specifies the X and Y position of the cursor.
• Color - Specifies the color of the cursor.
• CanDrag - Specifies if the cursor can be dragged by mouse.
• Kind - Specifies the cursor kind - Horizontal, Vertical or Both (Crossed).
• MouseCursors - Specifies the image used to represent the mouse pointer when it passes into the region covered by the display cursor.

Public

• CursorLinks - Collection of cursor links.
• IsDynamic - The cursor is created by the user from inside the component dialog.

Methods

Public

• procedure Draw(ACanvas : TLPCanvas; DispRect : TRect)
• function HitTest(ACursorsInfo : TSLHighlightInfo; X : Integer; Y : Integer; DispRect : TRect) : Boolean
• procedure MoveTo(ACursorsInfo : TSLHighlightInfo; X : Integer; Y : Integer; DispRect : TRect)

Events

• OnClick - Occurs when the user clicks the cursor.
• OnMouseDown - Occurs when the user presses a mouse button with the mouse pointer over the cursor.
• OnMouseUp - Occurs when the user releases a mouse button that was pressed with the mouse pointer over the cursor.
• OnMouseEnter - Occurs when the mouse pointer moves over the display cursor.
• OnMouseLeave - Occurs when the mouse pointer moves off from over the display cursor.

From TSLOptionalAxesDisplayCollectionItem

Methods

Public

• function GetOwnerComponent() : TSLDataDisplay

From TSLOptionalDisplayCollectionItem

Properties

Published

• Visible - Specifies if the item will be visible.

From TSLDisplaySelectableCollectionItem

Methods

Public

• procedure MouseEnter()
• procedure MouseLeave()
• procedure MouseDown(Button : TMouseButton; Shift : TShiftState; X : Integer; Y : Integer; MouseInside : Boolean; var MouseHandled : Boolean)
• procedure MouseUp(Button : TMouseButton; Shift : TShiftState; X : Integer; Y : Integer; MouseInside : Boolean)

From TSLDisplayCollectionItem

Properties

Published

• Tag - Stores an general purpose integer value as part of an item

From TLPNamedCollectionItem

Properties

Published

• Name

From TLPCollectionItem

Methods

Public

• function QueryInterface(IID : TGUID; Obj : TLPCollectionItem) : HResult