ZoomSnapPoints Property

ZoomSnapPoints

Declaration

public List<float> ZoomSnapPoints { get; }

Property Value

Remarks

Examples

The following code example shows how to use this property.

public class GcZoomSnapPointDemo : Form
{
	private TextBox _zoomSnapTextBox;
	private GcZoom _gcZoom1 = new GcZoom();

	public GcZoomSnapPointDemo()
	{
		InitializeComponent();

		_gcZoom1.Target = this;

		// ZoomSnapPoints and ZoomSnapDistance property only take effect when ZoomPreviewMode 
		// property value is ZoomPreviewMode.Bitmap or ZoomPreviewMode.AlternativeContent
		this._gcZoom1.ZoomPreviewMode = ZoomPreviewMode.Bitmap;

		_gcZoom1.ZoomSnapPoints.Add(1f);
		_gcZoom1.ZoomSnapPoints.Add(1.25f);
		_gcZoom1.ZoomSnapPoints.Add(1.5f);
		_gcZoom1.ZoomSnapPoints.Add(1.75f);
		_gcZoom1.ZoomSnapPoints.Add(2f);
		_gcZoom1.ZoomSnapDistance = 0.25f;

		_gcZoom1.ZoomFactorChanged += _gcZoom1_ZoomFactorChanged;
	}

	void _gcZoom1_ZoomFactorChanged(object sender, EventArgs e)
	{
		_zoomSnapTextBox.Text = _gcZoom1.ZoomFactor.ToString();
	}

	private void InitializeComponent()
	{
		_zoomSnapTextBox = new TextBox();
		this.Controls.Add(_zoomSnapTextBox);
	}
}

Public Class GcZoomSnapPointDemo
	Inherits Form
	Private _zoomSnapTextBox As TextBox
	Private _gcZoom1 As New GcZoom()

	Public Sub New()
		InitializeComponent()

		_gcZoom1.Target = Me

		' ZoomSnapPoints and ZoomSnapDistance property only take effect when ZoomPreviewMode 
		' property value is ZoomPreviewMode.Bitmap or ZoomPreviewMode.AlternativeContent
		Me._gcZoom1.ZoomPreviewMode = ZoomPreviewMode.Bitmap

		_gcZoom1.ZoomSnapPoints.Add(1.0F)
		_gcZoom1.ZoomSnapPoints.Add(1.25F)
		_gcZoom1.ZoomSnapPoints.Add(1.5F)
		_gcZoom1.ZoomSnapPoints.Add(1.75F)
		_gcZoom1.ZoomSnapPoints.Add(2.0F)
		_gcZoom1.ZoomSnapDistance = 0.25F

		AddHandler _gcZoom1.ZoomFactorChanged, AddressOf _gcZoom1_ZoomFactorChanged
	End Sub

	Private Sub _gcZoom1_ZoomFactorChanged(sender As Object, e As EventArgs)
		_zoomSnapTextBox.Text = _gcZoom1.ZoomFactor.ToString()
	End Sub

	Private Sub InitializeComponent()
		_zoomSnapTextBox = New TextBox()
		Me.Controls.Add(_zoomSnapTextBox)
	End Sub
End Class