HeaderCenterImage Property (PrintInfo)

Gets or sets the image for the center section of the header.

Syntax

Visual Basic
C#

'Declaration
 
<DefaultValueAttribute()>
Public Property HeaderCenterImage As Byte()

'Usage
 
Dim instance As PrintInfo
Dim value() As Byte
 
instance.HeaderCenterImage = value
 
value = instance.HeaderCenterImage

[DefaultValue()]
public byte[] HeaderCenterImage {get; set;}

Property Value

The image for the center portion of the printed header. The default value is null, which means that no image is specified.

Example

This example sets the HeaderCenterImage property.

C#
VB.NET

private byte[] StreamToBytes(System.IO.Stream stream)
        {
            byte[] bytes = new byte[stream.Length];
            stream.Read(bytes, 0, bytes.Length);
            stream.Seek(0, System.IO.SeekOrigin.Begin);
            return bytes;
        }

 private async void button1_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                var filePicker = new Windows.Storage.Pickers.FileOpenPicker();
                filePicker.FileTypeFilter.Add(".png");
                Windows.Storage.StorageFile storageFile = await filePicker.PickSingleFileAsync();
                if (storageFile != null)
                {
                    using (var stream = await storageFile.OpenStreamForReadAsync())
                    {
                        this.gcSpreadSheet1.ActiveSheet.PrintInfo.FooterCenterImage = StreamToBytes(stream);
                        this.gcSpreadSheet1.ActiveSheet.PrintInfo.FooterLeftImage = StreamToBytes(stream);
                        this.gcSpreadSheet1.ActiveSheet.PrintInfo.FooterRightImage = StreamToBytes(stream);
                        this.gcSpreadSheet1.ActiveSheet.PrintInfo.HeaderCenterImage = StreamToBytes(stream);
                        this.gcSpreadSheet1.ActiveSheet.PrintInfo.HeaderLeftImage = StreamToBytes(stream);
                        this.gcSpreadSheet1.ActiveSheet.PrintInfo.HeaderRightImage = StreamToBytes(stream);
                    }
                    this.gcSpreadSheet1.ActiveSheet.PrintInfo.FooterCenter = "&G";
                    this.gcSpreadSheet1.ActiveSheet.PrintInfo.FooterRight = "&G";
                    this.gcSpreadSheet1.ActiveSheet.PrintInfo.FooterLeft = "&G";
                    this.gcSpreadSheet1.ActiveSheet.PrintInfo.HeaderCenter = "&G";
                    this.gcSpreadSheet1.ActiveSheet.PrintInfo.HeaderRight = "&G";
                    this.gcSpreadSheet1.ActiveSheet.PrintInfo.HeaderLeft = "&G"; 
                }
            }
            catch (Exception ex)
            {
                Windows.UI.Popups.MessageDialog dialog = new Windows.UI.Popups.MessageDialog(ex.Message, "Error");
                dialog.ShowAsync();
            }
        }

Private Function StreamToBytes(stream As System.IO.Stream) As Byte()
        Dim bytes As Byte() = New Byte(stream.Length - 1) {}
        stream.Read(bytes, 0, bytes.Length)
        stream.Seek(0, System.IO.SeekOrigin.Begin)
        Return bytes
    End Function

Private Async Sub button1_Click(sender As Object, e As RoutedEventArgs) Handles button1.Click
        Try
            Dim filePicker As New Windows.Storage.Pickers.FileOpenPicker()
            filePicker.FileTypeFilter.Add(".png")
            Dim storageFile As Windows.Storage.StorageFile = Await filePicker.PickSingleFileAsync()
            If storageFile IsNot Nothing Then
                Using stream = Await storageFile.OpenStreamForReadAsync()
                    GcSpreadSheet1.ActiveSheet.PrintInfo.FooterCenterImage = StreamToBytes(stream)
                    GcSpreadSheet1.ActiveSheet.PrintInfo.FooterLeftImage = StreamToBytes(stream)
                    GcSpreadSheet1.ActiveSheet.PrintInfo.FooterRightImage = StreamToBytes(stream)
                    GcSpreadSheet1.ActiveSheet.PrintInfo.HeaderCenterImage = StreamToBytes(stream)
                    GcSpreadSheet1.ActiveSheet.PrintInfo.HeaderLeftImage = StreamToBytes(stream)
                    GcSpreadSheet1.ActiveSheet.PrintInfo.HeaderRightImage = StreamToBytes(stream)
                End Using
                GcSpreadSheet1.ActiveSheet.PrintInfo.FooterCenter = "&G"
                GcSpreadSheet1.ActiveSheet.PrintInfo.FooterRight = "&G"
                GcSpreadSheet1.ActiveSheet.PrintInfo.FooterLeft = "&G"
                GcSpreadSheet1.ActiveSheet.PrintInfo.HeaderCenter = "&G"
                GcSpreadSheet1.ActiveSheet.PrintInfo.HeaderRight = "&G"
                GcSpreadSheet1.ActiveSheet.PrintInfo.HeaderLeft = "&G"
            End If
        Catch ex As Exception
            Dim dialog As Windows.UI.Popups.MessageDialog = New Windows.UI.Popups.MessageDialog(ex.Message, "Error")
            dialog.ShowAsync()
        End Try
    End Sub

Reference

PrintInfo Class
PrintInfo Members