ZoomPreviewMode Property

ZoomPreviewMode

Gets or sets a value indicating how to preview the panel when gesture zooming.

Declaration

public ZoomPreviewMode ZoomPreviewMode { get; set; }

Public Property ZoomPreviewMode As ZoomPreviewMode

Property Value

Type	Description
ZoomPreviewMode	One of the ZoomPreviewMode values. The default is ZoomPreviewMode.Bitmap

Examples

The following code example shows how to use this property.

This code example is part of a larger example provided for the C1Zoom class.

public class GcZoomDemo : Form
{
	private ComboBox _previewModeComboBox;
	private GcZoom _gcZoom1 = new GcZoom();

	public GcZoomDemo()
	{
		InitializeComponent();

		_gcZoom1.Target = this;

		_previewModeComboBox.SelectedIndexChanged += previewModeComboBox_SelectedIndexChanged;
	}

	void previewModeComboBox_SelectedIndexChanged(object sender, EventArgs e)
	{
		switch (_previewModeComboBox.Text)
		{
			case "Bitmap":
				_gcZoom1.ZoomPreviewMode = ZoomPreviewMode.Bitmap;
				break;

			case "AlternativeContent":
				_gcZoom1.ZoomPreviewMode = ZoomPreviewMode.AlternativeContent;
				_gcZoom1.AlternativeContentSettings.ForeColor = SystemColors.ControlDarkDark;
				_gcZoom1.AlternativeContentSettings.Format = "Zooming {Percentage}%";

				break;

			case "NoPreview":
				_gcZoom1.ZoomPreviewMode = ZoomPreviewMode.NoPreview;
				break;

			default:
				break;
		}
	}

	private void InitializeComponent()
	{
		_previewModeComboBox = new ComboBox();
		_previewModeComboBox.Items.AddRange(new object[] { "Bitmap", "AlternativeContent", "NoPreview" });
		_previewModeComboBox.Location = new Point(160, 20);
		this.Controls.Add(_previewModeComboBox);
	}
}

Public Class GcZoomDemo
	Inherits Form
	Private _previewModeComboBox As ComboBox
	Private _gcZoom1 As New GcZoom()

	Public Sub New()
		InitializeComponent()

		_gcZoom1.Target = Me

		AddHandler _previewModeComboBox.SelectedIndexChanged, AddressOf previewModeComboBox_SelectedIndexChanged
	End Sub

	Private Sub previewModeComboBox_SelectedIndexChanged(sender As Object, e As EventArgs)
 		Select Case _previewModeComboBox.Text
	 		Case "Bitmap"
		 		_gcZoom1.ZoomPreviewMode = ZoomPreviewMode.Bitmap
		 		Exit Select

	 		Case "AlternativeContent"
		 		_gcZoom1.ZoomPreviewMode = ZoomPreviewMode.AlternativeContent
		 		_gcZoom1.AlternativeContentSettings.ForeColor = SystemColors.ControlDarkDark
		 		_gcZoom1.AlternativeContentSettings.Format = "Zooming {Percentage}%"
		 		Exit Select

	 		Case "NoPreview"
		 		_gcZoom1.ZoomPreviewMode = ZoomPreviewMode.NoPreview
		 		Exit Select

	 		Case Else
		 		Exit Select
		End Select
	End Sub

	Private Sub InitializeComponent()
 		_previewModeComboBox = New ComboBox()
 		_previewModeComboBox.Items.AddRange(New Object() {"Bitmap", "AlternativeContent", "NoPreview"})
 		_previewModeComboBox.Location = New Point(160, 20)
 		Me.Controls.Add(_previewModeComboBox)
	End Sub
End Class