[]
Gets or sets a value indicating whether allow zoom by control + mouse wheel.
public bool AllowMouseWheelZoom { get; set; }
Type | Description |
---|---|
bool | true if user can zoom by mouse wheel; otherwise, false. The default is false. |
The following code example shows how to use this property.
This code example is part of a larger example provided for the AllowPinchZoom property.
public class GcZoomMiscDemo : Form
{
private CheckBox _allowMouseWheelCheckBox;
private GcZoom _gcZoom1 = new GcZoom();
public GcZoomMiscDemo()
{
InitializeComponent();
_gcZoom1.Target = this;
_allowMouseWheelCheckBox.CheckedChanged += _allowMouseWheelCheckBox_CheckedChanged;
}
void _allowMouseWheelCheckBox_CheckedChanged(object sender, EventArgs e)
{
_gcZoom1.AllowMouseWheelZoom = _allowMouseWheelCheckBox.Checked;
}
private void InitializeComponent()
{
_allowMouseWheelCheckBox = new CheckBox();
_allowMouseWheelCheckBox.Text = "AllowMouseWheel";
_allowMouseWheelCheckBox.Location = new Point(20, 20);
_allowMouseWheelCheckBox.Size = new Size(200, 20);
this.Controls.Add(_allowMouseWheelCheckBox);
}
}
Public Class GcZoomMiscDemo
Inherits Form
Private _allowMouseWheelCheckBox As CheckBox
Private _gcZoom1 As New GcZoom()
Public Sub New()
InitializeComponent()
_gcZoom1.Target = Me
AddHandler _allowMouseWheelCheckBox.CheckedChanged, AddressOf _allowMouseWheelCheckBox_CheckedChanged
End Sub
Private Sub _allowMouseWheelCheckBox_CheckedChanged(sender As Object, e As EventArgs)
_gcZoom1.AllowMouseWheelZoom = _allowMouseWheelCheckBox.Checked
End Sub
Private Sub InitializeComponent()
_allowMouseWheelCheckBox = New CheckBox()
_allowMouseWheelCheckBox.Text = "AllowMouseWheel"
_allowMouseWheelCheckBox.Location = New Point(20, 20)
_allowMouseWheelCheckBox.Size = New Size(200, 20)
Me.Controls.Add(_allowMouseWheelCheckBox)
End Sub
End Class