Class QueryColumnCountEventHandler

Represents the method for handling ColumnNumberEvent.

Inheritance
System.Object
QueryColumnCountEventHandler
Namespace: Syncfusion.Pdf.Tables
Assembly: Syncfusion.Pdf.Portable.dll
Syntax
public sealed class QueryColumnCountEventHandler : MulticastDelegate
Examples
public string[][] datastring = new string[2][];
// Specify values for the table
datastring[0] = new string[] { "111", "Maxim", "100" };
datastring[1] = new string[] { "222", "Calvin", "95" };
// Create a new document
PdfDocument document = new PdfDocument();
//Create a Page
PdfPage page = document.Pages.Add();
//Create the PdfLightTable
PdfLightTable pdfLightTable = new PdfLightTable();
// Setting the DataSourceType as Direct
pdfLightTable.DataSourceType = PdfLightTableDataSourceType.External;
//Subscribing Events
pdfLightTable.QueryColumnCount += new QueryColumnCountEventHandler(table_QueryColumnCount);
pdfLightTable.QueryNextRow += new QueryNextRowEventHandler(table_QueryNextRow);
//Draw PdfLightTable.
pdfLightTable.Draw(page, new PointF(0, 0));
//Save the document.
document.Save("Output.pdf");
//Close the document
document.Close(true);

void table_QueryColumnCount(object sender, QueryColumnCountEventArgs args)
{
args.ColumnCount = 3;
}

void table_QueryNextRow(object sender, QueryNextRowEventArgs args)
{
if (datastring.Length > args.RowIndex)
args.RowData = new string[] { datastring[args.RowIndex][0], datastring[args.RowIndex][1], datastring[args.RowIndex][2] };
}
Public datastring(2)() As String
' Specify values for the table
datastring(0) = New String() { "111", "Maxim", "100" }
datastring(1) = New String() { "222", "Calvin", "95" }
' Create a new document
Dim document As New PdfDocument()
'Create a Page
Dim page As PdfPage = document.Pages.Add()
'Create the PdfLightTable
Dim pdfLightTable As New PdfLightTable()
' Setting the DataSourceType as Direct
pdfLightTable.DataSourceType = PdfLightTableDataSourceType.External
'Subscribing Events
AddHandler pdfLightTable.QueryColumnCount, AddressOf table_QueryColumnCount
AddHandler pdfLightTable.QueryNextRow, AddressOf table_QueryNextRow
'Draw PdfLightTable.
pdfLightTable.Draw(page, New PointF(0, 0))
'Save the document.
document.Save("Output.pdf")
'Close the document
document.Close(True)

Private Sub table_QueryColumnCount(ByVal sender As Object, ByVal args As QueryColumnCountEventArgs)
args.ColumnCount = 3
End Sub

Private Sub table_QueryNextRow(ByVal sender As Object, ByVal args As QueryNextRowEventArgs)
If datastring.Length > args.RowIndex Then
args.RowData = New String() { datastring(args.RowIndex)(0), datastring(args.RowIndex)(1), datastring(args.RowIndex)(2) }
End If
End Sub

Constructors

QueryColumnCountEventHandler(Object, IntPtr)

Declaration
public QueryColumnCountEventHandler(object object, IntPtr method)
Parameters
Type Name Description
System.Object object
System.IntPtr method

Methods

BeginInvoke(Object, QueryColumnCountEventArgs, AsyncCallback, Object)

Declaration
public virtual IAsyncResult BeginInvoke(object sender, QueryColumnCountEventArgs args, AsyncCallback callback, object object)
Parameters
Type Name Description
System.Object sender
QueryColumnCountEventArgs args
System.AsyncCallback callback
System.Object object
Returns
Type Description
System.IAsyncResult

EndInvoke(IAsyncResult)

Declaration
public virtual void EndInvoke(IAsyncResult result)
Parameters
Type Name Description
System.IAsyncResult result

Invoke(Object, QueryColumnCountEventArgs)

Declaration
public virtual void Invoke(object sender, QueryColumnCountEventArgs args)
Parameters
Type Name Description
System.Object sender
QueryColumnCountEventArgs args

See Also