Aspose.Slides FOSS
.NET
Hvordan koble former med koblinger i .NET

Hvordan koble former med koblinger i .NET

Koblinger i Aspose.Slides FOSS er linjeformer som festes til connection sites på andre former. Når du flytter en tilkoblet form, flytter koblingsendepunktet seg med den. Den mest vanlige koblingstypen er BentConnector3, som ruter rundt hindringer med en enkel albuebøyning.

Forutsetninger 

dotnet add package Aspose.Slides.Foss

Tilkoblingsstedindekser

Hver form har fire nummererte tilkoblingssteder:

IndeksPosisjon
0Topp midt
1Venstre midt
2Bunn midt
3Høyre midt

Koble sammen to former 

using Aspose.Slides.Foss;
using Aspose.Slides.Foss.Export;

using var prs = new Presentation();
var slide = prs.Slides[0];

// Add two rectangles
var box1 = slide.Shapes.AddAutoShape(ShapeType.Rectangle, 50, 200, 200, 100);
var box2 = slide.Shapes.AddAutoShape(ShapeType.Rectangle, 450, 200, 200, 100);

box1.AddTextFrame("Start");
box2.AddTextFrame("End");

// Add a bent connector (initial bounds are overwritten by the connection)
var conn = slide.Shapes.AddConnector(ShapeType.BentConnector3, 0, 0, 10, 10);

// Connect right side of box1 (site 3) to left side of box2 (site 1)
conn.StartShapeConnectedTo = box1;
conn.StartShapeConnectionSiteIndex = 3;
conn.EndShapeConnectedTo = box2;
conn.EndShapeConnectionSiteIndex = 1;

prs.Save("connected.pptx", SaveFormat.Pptx);

Plassholdergrensene (0, 0, 10, 10) som sendes til AddConnector ignoreres når tilkoblingsendepunktene er satt; PowerPoint omdirigerer koblingen til de tilknyttede formene.

Koblingstyper 

// Straight line
ShapeType.StraightConnector1

// Single elbow (L-shape)
ShapeType.BentConnector2

// Double elbow (Z-shape): most common
ShapeType.BentConnector3

// Curved connector
ShapeType.CurvedConnector3

Stiliser tilkoblingslinjen 

using Aspose.Slides.Foss;
using Aspose.Slides.Foss.Drawing;
using Aspose.Slides.Foss.Export;

using var prs = new Presentation();
var slide = prs.Slides[0];

var box1 = slide.Shapes.AddAutoShape(ShapeType.Rectangle, 50, 150, 180, 80);
var box2 = slide.Shapes.AddAutoShape(ShapeType.Rectangle, 500, 300, 180, 80);

var conn = slide.Shapes.AddConnector(ShapeType.BentConnector3, 0, 0, 10, 10);
conn.StartShapeConnectedTo = box1;
conn.StartShapeConnectionSiteIndex = 2;   // bottom of box1
conn.EndShapeConnectedTo = box2;
conn.EndShapeConnectionSiteIndex = 0;     // top of box2

// Style: dashed blue line, 2 pt width
var lf = conn.LineFormat;
lf.Width = 2.0;
lf.FillFormat.SolidFillColor.Color = Color.Blue;
lf.DashStyle = LineDashStyle.Dash;

prs.Save("styled-connector.pptx", SaveFormat.Pptx);

Flytskjema med flere tilkoblinger 

using Aspose.Slides.Foss;
using Aspose.Slides.Foss.Export;

using var prs = new Presentation();
var slide = prs.Slides[0];

// Three-step flowchart
var step1 = slide.Shapes.AddAutoShape(ShapeType.Rectangle, 350, 50, 200, 70);
var step2 = slide.Shapes.AddAutoShape(ShapeType.Rectangle, 350, 220, 200, 70);
var step3 = slide.Shapes.AddAutoShape(ShapeType.Rectangle, 350, 390, 200, 70);

step1.AddTextFrame("Step 1");
step2.AddTextFrame("Step 2");
step3.AddTextFrame("Step 3");

void ConnectVertical(IShapeCollection shapes, IShape topShape, IShape bottomShape)
{
    var c = shapes.AddConnector(ShapeType.BentConnector3, 0, 0, 10, 10);
    c.StartShapeConnectedTo = topShape;
    c.StartShapeConnectionSiteIndex = 2;   // bottom
    c.EndShapeConnectedTo = bottomShape;
    c.EndShapeConnectionSiteIndex = 0;     // top
}

ConnectVertical(slide.Shapes, step1, step2);
ConnectVertical(slide.Shapes, step2, step3);

prs.Save("flowchart.pptx", SaveFormat.Pptx);

Les tilkoblingsegenskaper 

using Aspose.Slides.Foss;

using var prs = new Presentation("connected.pptx");
foreach (var shape in prs.Slides[0].Shapes)
{
    if (shape is Connector connector)
    {
        var start = connector.StartShapeConnectedTo;
        var end = connector.EndShapeConnectedTo;
        Console.WriteLine($"Connector: {start?.Name ?? "?"} -> {end?.Name ?? "?"}");
    }
}

Se også

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