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draftsight / opt / dassault-systemes / DraftSight / APISDK / Construct_Line_Example_CSharp.htm
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<title>Construct Line Example (C#)</title>
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<h1>Construct Line Example (C#)</h1>
<p>This example shows how to construct a Line.</p>
<pre>//--------------------------------------------------------------
// Preconditions:
// 1. Create a C# Windows console project.
// 2. Copy and paste this example into the C# IDE.
// 3. Add a reference to:
//    <i>install_dir</i>\<b>APISDK\tlb\DraftSight.Interop.dsAutomation.dll</b>.
// 4. Add references to <b>System</b> and <b>System.Windows.Forms</b>.
// 5. Start DraftSight and open a document.
// 6. Start debugging the project.
//
// Postconditions: A message box pops up when a Line is
// constructed and its color changed in the drawing document.
//----------------------------------------------------------------
using DraftSight.Interop.dsAutomation;
using System;
using System.Runtime.InteropServices;
using System.Windows.Forms;</pre>
<pre>static class Module1
{
    public static void Main()
    {
        DraftSight.Interop.dsAutomation.Application dsApp;
        Document dsDoc = default(Document);
        Model dsModel = default(Model);
        SketchManager dsSketchManager = default(SketchManager);
        Line dsLine = default(Line);
        Color dsColor = default(Color);
        double startX = 0;
        double startY = 0;
        double startZ = 0;
        double endX = 0;
        double endY = 0;
        double endZ = 0;</pre>
<pre>        //Connect to DraftSight
        dsApp = (DraftSight.Interop.dsAutomation.Application)Marshal.GetActiveObject(&quot;DraftSight.Application&quot;);
	dsApp.<b>AbortRunningCommand</b>(); // abort any command currently running in DraftSight to avoid nested commands</pre>
<pre>        //Get active document
        dsDoc = dsApp.<b>GetActiveDocument</b>();</pre>
<pre>        if (dsDoc != null)
        {
            //Get model space
            dsModel = dsDoc.<b>GetModel</b>();
            //Get Sketch Manager
            dsSketchManager = dsModel.<b>GetSketchManager</b>();</pre>
<pre>            //Line parameters
            startX = 1.0;
            startY = 1.0;
            startZ = 0.0;
            endX = 6.0;
            endY = 1.0;
            endZ = 0.0;
            //Construct a Line
            dsLine = (dsSketchManager.<b>InsertLine</b>(startX, startY, startZ, endX, endY, endZ);

            if (dsLine != null)
            {

                //Change line's color
                dsColor = dsLine.<b>Color</b>;
                dsColor.<b>SetNamedColor</b>(dsNamedColor_e.dsNamedColor_Red);
                dsLine.<b>Color</b> = dsColor;

                MessageBox.Show(&quot;Line was added to drawing and its color changed to red.&quot;);
            }
        }
        else
        {
            MessageBox.Show(&quot;There are no open documents in DraftSight.&quot;);
        }
    }
}
</pre>
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