FreeFormBuilder in Excel VBA, C#, VB.Net example

Freeform

Used to form Geometrical shapes in Excel. FreeFormbuilder is very useful object for the mathematicians to represent complex diagrams like timeline of a project. In this article I will be showcasing the code which will create a free form.

Approach

Use the BuildFreeform method of the Shapes object to return a FreeformBuilder object.
Use the AddNodes method to add nodes to the freeform.
Use the ConvertToShape method to create the shape defined in the FreeformBuilder object and add it to the Shapes collection.

C# code example

private void btnFreeFormBuilder_Click(object sender, RibbonControlEventArgs e)
{
	//Obtain current worksheet reference
	excel.Worksheet oWorksheet = Globals.ThisAddIn.Application.ActiveSheet;

	//Create freeformbuilder
	excel.FreeformBuilder oformBuilder = oWorksheet.Shapes.BuildFreeform(MsoEditingType.msoEditingCorner, 360, 200);

	//Add nodes
	oformBuilder.AddNodes(MsoSegmentType.msoSegmentCurve, MsoEditingType.msoEditingCorner, 380, 230, 400, 250, 550,400);
	oformBuilder.AddNodes(MsoSegmentType.msoSegmentCurve, MsoEditingType.msoEditingAuto, 480,200);
	oformBuilder.AddNodes(MsoSegmentType.msoSegmentLine, MsoEditingType.msoEditingAuto, 480, 400);
	oformBuilder.AddNodes(MsoSegmentType.msoSegmentLine, MsoEditingType.msoEditingAuto, 360, 200);

	//Convert to shape
	excel.Shape oShape= oformBuilder.ConvertToShape();

	//change properties
	oShape.Name = "MyShape";
	oShape.Title = "Testing";
}
}

VB.Net code example

Private Sub FreeFormBuilder_Click(sender As Object, e As RibbonControlEventArgs) Handles FreeFormBuilder.Click
	'Obtain current worksheet reference
	Dim oWorksheet As excel.Worksheet
	oWorksheet = Globals.ThisAddIn.Application.ActiveSheet

	'Create freeformbuilder
	dim oformBuilder As excel.FreeformBuilder
	oformBuilder = oWorksheet.Shapes.BuildFreeform(MsoEditingType.msoEditingCorner, 360, 200)

	'Add nodes
	oformBuilder.AddNodes(MsoSegmentType.msoSegmentCurve, MsoEditingType.msoEditingCorner, 380, 230, 400, 250, 550,400)
	oformBuilder.AddNodes(MsoSegmentType.msoSegmentCurve, MsoEditingType.msoEditingAuto, 480,200)
	oformBuilder.AddNodes(MsoSegmentType.msoSegmentLine, MsoEditingType.msoEditingAuto, 480, 400)
	oformBuilder.AddNodes(MsoSegmentType.msoSegmentLine, MsoEditingType.msoEditingAuto, 360, 200)

	'Convert to shape
	Dim oShape As excel.Shape
	oShape = oformBuilder.ConvertToShape()

	'change properties
	oShape.Name = "MyShape"
	oShape.Title = "Testing"
End Sub

VBA code example

Public Sub FreeFormBuilderExample()
    Dim oWorksheet As Worksheet
    Set oWorksheet = ActiveSheet
    
    With oWorksheet.Shapes.BuildFreeform(msoEditingCorner, 360, 200)
     .AddNodes msoSegmentCurve, msoEditingCorner, _
     380, 230, 400, 250, 450, 300
     .AddNodes msoSegmentCurve, msoEditingAuto, 480, 200
     .AddNodes msoSegmentLine, msoEditingAuto, 480, 400
     .AddNodes msoSegmentLine, msoEditingAuto, 360, 200
     .ConvertToShape
    End With
End Sub

Output

Next >> Excel Replace vs VBA Replace Function complete example

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