How to draw text on thumbnails?

In This Topic

Any text or graphics can be drawn on thumbnail in ThumbnailViewer using the ThumbnailViewer.ThumbnailPainted event.

Here is C#/VB.NET code that shows how add caption for thumbnails in ThumbnailViewer:

Vintasoft.Imaging.UI.ThumbnailCaption caption = thumbnailViewer1.ThumbnailCaption;

caption.IsVisible = true;
caption.CaptionFormat = "{PageNumber} page";
caption.Anchor = Vintasoft.Imaging.AnchorType.Bottom;
caption.TextColor = System.Drawing.Color.Blue;
caption.Font = new System.Drawing.Font(
    System.Drawing.SystemFonts.DefaultFont.FontFamily, 15f);

VB.NET

Dim caption As Vintasoft.Imaging.UI.ThumbnailCaption = thumbnailViewer1.ThumbnailCaption

caption.IsVisible = True
caption.CaptionFormat = "{PageNumber} page"
caption.Anchor = Vintasoft.Imaging.AnchorType.Bottom
caption.TextColor = System.Drawing.Color.Blue
caption.Font = New System.Drawing.Font(System.Drawing.SystemFonts.DefaultFont.FontFamily, 15F)

Here is C#/VB.NET code that shows how draw text on thumbnail images in ThumbnailViewer:

public void Run()
{
    thumbnailViewer1.ThumbnailPainted +=
        new System.EventHandler<Vintasoft.Imaging.UI.ThumbnailPaintEventArgs>(thumbnailViewer1_ThumbnailPainted);
}

void thumbnailViewer1_ThumbnailPainted(object sender, Vintasoft.Imaging.UI.ThumbnailPaintEventArgs e)
{
    System.Drawing.Graphics graphics = e.Graphics;
    string text = "Test";
    using (System.Drawing.Font font = new System.Drawing.Font(
        System.Drawing.SystemFonts.DefaultFont.FontFamily, 15f))
    {
        graphics.DrawString(text, font,
            System.Drawing.Brushes.Blue,
            new System.Drawing.Point(0, 0));
    }
}

VB.NET

Public Sub Run()
    AddHandler thumbnailViewer1.ThumbnailPainted, New System.EventHandler(Of Vintasoft.Imaging.UI.ThumbnailPaintEventArgs)(AddressOf thumbnailViewer1_ThumbnailPainted)
End Sub

Private Sub thumbnailViewer1_ThumbnailPainted(sender As Object, e As Vintasoft.Imaging.UI.ThumbnailPaintEventArgs)
    Dim graphics As System.Drawing.Graphics = e.Graphics
    Dim text As String = "Test"
    Using font As New System.Drawing.Font(System.Drawing.SystemFonts.DefaultFont.FontFamily, 15F)
        graphics.DrawString(text, font, System.Drawing.Brushes.Blue, New System.Drawing.Point(0, 0))
    End Using
End Sub

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