Interface IColumns

Represents a collection of IColumn objects in a table.

Inherited Members
System.Collections.Generic.IEnumerable<Syncfusion.Presentation.IColumn>.GetEnumerator()
Namespace: Syncfusion.Presentation
Assembly: Syncfusion.Presentation.Base.dll
Syntax
public interface IColumns : IEnumerable<IColumn>, IEnumerable

Properties

Count

Gets the number of elements in the column collection. Read-only.

Declaration
int Count { get; }
Property Value
Type
System.Int32
Examples
//Create instance of PowerPoint presentation
IPresentation presentation = Presentation.Create();
//Add slide to the presentation
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add table to the slide
ITable table = slide.Shapes.AddTable(2, 2, 100, 120, 300, 200);
//Get the column collection from table
IColumns columns = table.Columns;
//Retrieve a single column from the column collection, read only
IColumn column = columns[0];
//Add a specific column to the collection
columns.Add(column);
//Get the count of column collection, read only
int count = columns.Count;
//Save the presentation
presentation.Save("Sample.pptx");
//Close the presentation
presentation.Close();
'Create instance of PowerPoint presentation
Dim presentation__1 As IPresentation = Presentation.Create()
'Add slide to the presentation
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add table to the slide
Dim table As ITable = slide.Shapes.AddTable(2, 2, 100, 120, 300, 200)
'Get the column collection from table
Dim columns As IColumns = table.Columns
'Retrieve a single column from the column collection, read only
Dim column As IColumn = columns(0)
'Add a specific column to the collection
columns.Add(column)
'Get the count of column collection, read only
Dim count As Integer = columns.Count
'Save the presentation
presentation__1.Save("Sample.pptx")
'Close the presentation
presentation__1.Close()

Item[Int32]

Gets a IColumn instance at the specified index from the column collection. Read-only.

Declaration
IColumn this[int columnIndex] { get; }
Parameters
Type Name Description
System.Int32 columnIndex

Specifies the index of the column to locate.
Property Value
Type Description
IColumn

Returns an IColumn instance.
Examples
//Create instance of PowerPoint presentation
IPresentation presentation = Presentation.Create();
//Add slide to the presentation
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add table to the slide
ITable table = slide.Shapes.AddTable(2, 2, 100, 120, 300, 200);
//Get the column from column collection
IColumn column = table.Columns[0];
//Set the width of the column
column.Width = 240;
//Save the presentation
presentation.Save("Sample.pptx");
//Close the presentation
presentation.Close();
'Create instance of PowerPoint presentation
Dim presentation__1 As IPresentation = Presentation.Create()
'Add slide to the presentation
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add table to the slide
Dim table As ITable = slide.Shapes.AddTable(2, 2, 100, 120, 300, 200)
'Get the column from column collection
Dim column As IColumn = table.Columns(0)
'Set the width of the column
column.Width = 300
'Save the presentation
presentation__1.Save("Sample.pptx")
'Close the presentation
presentation__1.Close()

Methods

Add()

Adds a new column at the end of the column collection.

Declaration
IColumn Add()
Returns
Type Description
IColumn

Returns the newly added IColumn instance.
Examples
//Create instance of PowerPoint presentation
IPresentation presentation = Presentation.Create();
//Add slide to the presentation
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add table to the slide
ITable table = slide.Shapes.AddTable(2, 2, 100, 120, 300, 200);
//Get the column collection from table
IColumns columns = table.Columns;
//Add column to the collection
columns.Add();
//Save the presentation
presentation.Save("Sample.pptx");
//Close the presentation
presentation.Close();
'Create instance of PowerPoint presentation
Dim presentation__1 As IPresentation = Presentation.Create()
'Add slide to the presentation
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add table to the slide
Dim table As ITable = slide.Shapes.AddTable(2, 2, 100, 120, 300, 200)
'Get the column collection from table
Dim columns As IColumns = table.Columns
'Add column to the collection
columns.Add()
'Save the presentation
presentation__1.Save("Sample.pptx")
'Close the presentation
presentation__1.Close()

Add(IColumn)

Adds the specified column at the end of the column collection.

Declaration
int Add(IColumn column)
Parameters
Type Name Description
IColumn column

Represents an IColumn instance to be added.
Returns
Type Description
System.Int32

Returns the zero-based index of the newly added column object in the column collection.
Examples
//Create instance of PowerPoint presentation
IPresentation presentation = Presentation.Create();
//Add slide to the presentation
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add table to the slide
ITable table = slide.Shapes.AddTable(2, 2, 100, 120, 300, 200);
//Get the column collection from table
IColumns columns = table.Columns;
//Retrieve a single column from the column collection, read only
IColumn column = columns[0];
//Add a specific column to the collection
columns.Add(column);
//Save the presentation
presentation.Save("Sample.pptx");
//Close the presentation
presentation.Close();
'Create instance of PowerPoint presentation
Dim presentation__1 As IPresentation = Presentation.Create()
'Add slide to the presentation
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add table to the slide
Dim table As ITable = slide.Shapes.AddTable(2, 2, 100, 120, 300, 200)
'Get the column collection from table
Dim columns As IColumns = table.Columns
'Retrieve a single column from the column collection, read only
Dim column As IColumn = columns(0)
'Add a specific column to the collection
columns.Add(column)
'Save the presentation
presentation__1.Save("Sample.pptx")
'Close the presentation
presentation__1.Close()

Clear()

Removes all the elements from column collection.

Declaration
void Clear()
Examples
//Create instance of PowerPoint presentation
IPresentation presentation = Presentation.Create();
//Add slide to the presentation
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add table to the slide
ITable table = slide.Shapes.AddTable(2, 2, 100, 120, 300, 200);
//Get the column collection from table
IColumns columns = table.Columns;
//Retrieve a single column from the column collection, read only
IColumn column = columns[0];
//Add a specific column to the collection
columns.Add(column);
//Clear the column collection
columns.Clear();
//Save the presentation
presentation.Save("Sample.pptx");
//Close the presentation
presentation.Close();
'Create instance of PowerPoint presentation
Dim presentation__1 As IPresentation = Presentation.Create()
'Add slide to the presentation
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add table to the slide
Dim table As ITable = slide.Shapes.AddTable(2, 2, 100, 120, 300, 200)
'Get the column collection from table
Dim columns As IColumns = table.Columns
'Retrieve a single column from the column collection, read only
Dim column As IColumn = columns(0)
'Add a specific column to the collection
columns.Add(column)
'Clear the column collection
columns.Clear()
'Save the presentation
presentation__1.Save("Sample.pptx")
'Close the presentation
presentation__1.Close()

IndexOf(IColumn)

Returns the zero-based index of the first occurrence of the IColumn instance within the collection.

Declaration
int IndexOf(IColumn value)
Parameters
Type Name Description
IColumn value

The IColumn instance to locate in the collection.
Returns
Type Description
System.Int32

Returns the zero-based index of the first occurrence of column instance within the collection, if found; otherwise, –1.
Examples
//Create instance of PowerPoint presentation
IPresentation presentation = Presentation.Create();
//Add slide to the presentation
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add table to the slide
ITable table = slide.Shapes.AddTable(2, 2, 100, 120, 300, 200);
//Get the column collection from table
IColumns columns = table.Columns;
//Retrieve a single column from the column collection, read only
IColumn column = table.Columns[0];
//Add a specific column to the collection
columns.Add(column);
//Get the index of a specific column from the collection
int index = columns.IndexOf(column);
//Save the presentation
presentation.Save("Sample.pptx");
//Close the presentation
presentation.Close();
'Create instance of PowerPoint presentation
Dim presentation__1 As IPresentation = Presentation.Create()
'Add slide to the presentation
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add table to the slide
Dim table As ITable = slide.Shapes.AddTable(2, 2, 100, 120, 300, 200)
'Get the column collection from table
Dim columns As IColumns = table.Columns
'Retrieve a single column from the column collection, read only
Dim column As IColumn = columns(0)
'Add a specific column to the collection
columns.Add(column)
'Get the index of a specific column from the collection
Dim index As Integer = columns.IndexOf(column)
'Save the presentation
presentation__1.Save("Sample.pptx")
'Close the presentation
presentation__1.Close()

Insert(Int32, IColumn)

Inserts the specified column at specified index in the table.

Declaration
void Insert(int index, IColumn item)
Parameters
Type Name Description
System.Int32 index

The zero-based index at which the column should be inserted.
IColumn item
Examples
//Create instance of PowerPoint presentation
IPresentation presentation = Presentation.Create();
//Add slide to the presentation
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add table to the slide
ITable table = slide.Shapes.AddTable(2, 2, 100, 120, 300, 200);
//Retrieve a single column from the column collection, read only
IColumn column = table.Columns[0];
//Set fill type for the cell in a column
column.Cells[0].Fill.FillType = FillType.Solid;
//Set color of the solid fill
column.Cells[0].Fill.SolidFill.Color = ColorObject.SaddleBrown;
//Get the column collection from table
IColumns columns = table.Columns;
//Insert column at index 2
columns.Insert(2, column);
//Save the presentation
presentation.Save("Sample.pptx");
//Close the presentation
presentation.Close();
'Create instance of PowerPoint presentation
Dim presentation__1 As IPresentation = Presentation.Create()
'Add slide to the presentation
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add table to the slide
Dim table As ITable = slide.Shapes.AddTable(2, 2, 100, 120, 300, 200)
'Get the column collection from table
Dim columns As IColumns = table.Columns
'Retrieve a single column from the column collection, read only
Dim column As IColumn = columns(0)
'Set fill type for the cell in a column
column.Cells(0).Fill.FillType = FillType.Solid
'Set color of the solid fill
column.Cells(0).Fill.SolidFill.Color = ColorObject.SaddleBrown
'Insert column at index 2
columns.Insert(2, column)
'Save the presentation
presentation__1.Save("Sample.pptx")
'Close the presentation
presentation__1.Close()

Remove(IColumn)

Removes the first occurrence of a specified column from the column collection.

Declaration
void Remove(IColumn value)
Parameters
Type Name Description
IColumn value

The column object to be removed from the collection.
Examples
//Create instance of PowerPoint presentation
IPresentation presentation = Presentation.Create();
//Add slide to the presentation
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add table to the slide
ITable table = slide.Shapes.AddTable(2, 2, 100, 120, 300, 200);
//Retrieve a single column from the column collection, read only
IColumn column = table.Columns[0];
//Get the column collection from table
IColumns columns = table.Columns;
//Remove a specific column instance
columns.Remove(column);
//Save the presentation
presentation.Save("Sample.pptx");
//Close the presentation
presentation.Close();
'Create instance of PowerPoint presentation
Dim presentation__1 As IPresentation = Presentation.Create()
'Add slide to the presentation
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add table to the slide
Dim table As ITable = slide.Shapes.AddTable(2, 2, 100, 120, 300, 200)
'Get the column collection from table
Dim columns As IColumns = table.Columns
'Retrieve a single column from the column collection, read only
Dim column As IColumn = table.Columns(0)
'Remove a specific column instance
columns.Remove(column)
'Save the presentation
presentation__1.Save("Sample.pptx")
'Close the presentation
presentation__1.Close()

RemoveAt(Int32)

Removes the column at the specified index of the column collection.

Declaration
void RemoveAt(int index)
Parameters
Type Name Description
System.Int32 index

The zero-based index of the column to remove.
Examples
//Create instance of PowerPoint presentation
IPresentation presentation = Presentation.Create();
//Add slide to the presentation
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add table to the slide
ITable table = slide.Shapes.AddTable(4, 2, 100, 120, 300, 200);
//Get the column collection from table
IColumns columns = table.Columns;
//Remove a specific column instance
columns.RemoveAt(0);
//Save the presentation
presentation.Save("Sample.pptx");
//Close the presentation
presentation.Close();
'Create instance of PowerPoint presentation
Dim presentation__1 As IPresentation = Presentation.Create()
'Add slide to the presentation
Dim slide As ISlide = presentation__1.Slides.Add(SlideLayoutType.Blank)
'Add table to the slide
Dim table As ITable = slide.Shapes.AddTable(4, 2, 100, 120, 300, 200)
'Get the column collection from table
Dim columns As IColumns = table.Columns
'Remove a specific column instance
columns.RemoveAt(0)
'Save the presentation
presentation__1.Save("Sample.pptx")
'Close the presentation
presentation__1.Close()

Extension Methods