ListViewZoomPolicy Class

Namespace: C1.Win.TouchToolKit

Assembly: C1.Win.C1TouchToolKit.4.8.dll

Syntax

public class ListViewZoomPolicy : ZoomPolicy

Remarks

Examples

The following code example shows how to use ListViewZoomPolicy class.

You can copy the code to a exsit Windows Forms appliction. And set the form in the sample code as start form.

If you find a licenses error when run this code. Try to drag a C1Zoom component to a any Form from tool box can generate the licenses information to this project.

public class ListViewZoomPolicyDemo : Form
{
	private ListView _listView;
	private CheckBox _enableCheckBox;
	private CheckBox _zoomColumnWidthCheckBox;
	private CheckBox _zoomItemFont;
	private TextBox _targetTypeTextBox;
	private ListViewZoomPolicy _listViewZoomPolicy = new ListViewZoomPolicy();
	private GcZoom _gcZoom1 = new GcZoom();

	public ListViewZoomPolicyDemo()
	{
		InitializeComponent();

		_gcZoom1.Target = this;

		// Set ListView's ZoomPolicy object
		_gcZoom1.ZoomPolicies.Add(_listViewZoomPolicy);

		// ListView control should to change default font
		foreach (ListViewItem item in _listView.Items)
		{
			item.Font = new Font(this.Font.FontFamily, this.Font.Size);
		}

		GetTargetType();

		_enableCheckBox.CheckedChanged += _enableCheckBox_CheckedChanged;
		_zoomColumnWidthCheckBox.CheckedChanged += _zoomColumnWidthCheckBox_CheckedChanged;
		_zoomItemFont.CheckedChanged += _zoomItemFont_CheckedChanged;
	}

	void GetTargetType()
	{
		_targetTypeTextBox.Text = _listViewZoomPolicy.TargetType.Name;
	}

	void _enableCheckBox_CheckedChanged(object sender, EventArgs e)
	{
		_gcZoom1.ZoomFactor = 1f;
		_listViewZoomPolicy.Enabled = _enableCheckBox.Checked;

		_zoomColumnWidthCheckBox.Enabled = _enableCheckBox.Checked;
		_zoomItemFont.Enabled = _enableCheckBox.Checked;
	}

	void _zoomColumnWidthCheckBox_CheckedChanged(object sender, EventArgs e)
	{
		_gcZoom1.ZoomFactor = 1f;
		_listViewZoomPolicy.ZoomColumnWidth = _zoomColumnWidthCheckBox.Checked;
	}

	void _zoomItemFont_CheckedChanged(object sender, EventArgs e)
	{
		_gcZoom1.ZoomFactor = 1f;
		_listViewZoomPolicy.ZoomItemFont = _zoomItemFont.Checked;
	}

	private void InitializeComponent()
	{
		_listView = new ListView();
		_listView.Location = new Point(20, 20);
		_listView.Size = new Size(400, 300);
		_listView.GridLines = true;

		_listView.View = View.Details;
		_listView.Columns.Add("", 100, HorizontalAlignment.Center);
		_listView.Columns.Add("", 100, HorizontalAlignment.Center);
		_listView.Columns.Add("", 100, HorizontalAlignment.Center);

		ListViewItem item1 = new ListViewItem(new string[] { "Item 1", "Item 2", "Item 3" });
		ListViewItem item2 = new ListViewItem(new string[] { "Item 4", "Item 5", "Item 6" });
		_listView.Items.Add(item1);
		_listView.Items.Add(item2);

		_enableCheckBox = new CheckBox();
		_enableCheckBox.Text = "Enabled";
		_enableCheckBox.Size = new Size(120, 20);
		_enableCheckBox.Location = new Point(450, 20);
		_enableCheckBox.Checked = true;

		_zoomColumnWidthCheckBox = new CheckBox();
		_zoomColumnWidthCheckBox.Text = "ZoomColumnWidth";
		_zoomColumnWidthCheckBox.Size = new Size(120, 20);
		_zoomColumnWidthCheckBox.Location = new Point(450, 50);
		_zoomColumnWidthCheckBox.Checked = true;

		_zoomItemFont = new CheckBox();
		_zoomItemFont.Text = "ZoomItemFont";
		_zoomItemFont.Size = new Size(120, 20);
		_zoomItemFont.Location = new Point(450, 80);
		_zoomItemFont.Checked = true;

		_targetTypeTextBox = new TextBox();
		_targetTypeTextBox.ReadOnly = true;
		_targetTypeTextBox.Size = new Size(120, 20);
		_targetTypeTextBox.Location = new Point(450, 110);

		this.Controls.Add(_listView);
		this.Controls.Add(_enableCheckBox);
		this.Controls.Add(_zoomColumnWidthCheckBox);
		this.Controls.Add(_zoomItemFont);
		this.Controls.Add(_targetTypeTextBox);
		this.Size = new Size(600, 450);
	}
}

Public Class ListViewZoomPolicyDemo
	Inherits Form
	Private _listView As ListView
	Private _enableCheckBox As CheckBox
	Private _zoomColumnWidthCheckBox As CheckBox
	Private _zoomItemFont As CheckBox
	Private _targetTypeTextBox As TextBox
	Private _listViewZoomPolicy As New ListViewZoomPolicy()
	Private _gcZoom1 As New GcZoom()

	Public Sub New()
		InitializeComponent()

		_gcZoom1.Target = Me

		' Set ListView's ZoomPolicy object
		_gcZoom1.ZoomPolicies.Add(_listViewZoomPolicy)

		' ListView control should to change default font
		For Each item As ListViewItem In _listView.Items
			item.Font = New Font(Me.Font.FontFamily, Me.Font.Size)
		Next

		GetTargetType()

		AddHandler _enableCheckBox.CheckedChanged, AddressOf _enableCheckBox_CheckedChanged
		AddHandler _zoomColumnWidthCheckBox.CheckedChanged, AddressOf _zoomColumnWidthCheckBox_CheckedChanged
		AddHandler _zoomItemFont.CheckedChanged, AddressOf _zoomItemFont_CheckedChanged
	End Sub

	Private Sub GetTargetType()
		_targetTypeTextBox.Text = _listViewZoomPolicy.TargetType.Name
	End Sub

	Private Sub _enableCheckBox_CheckedChanged(sender As Object, e As EventArgs)
		_gcZoom1.ZoomFactor = 1.0F
		_listViewZoomPolicy.Enabled = _enableCheckBox.Checked

		_zoomColumnWidthCheckBox.Enabled = _enableCheckBox.Checked
		_zoomItemFont.Enabled = _enableCheckBox.Checked
	End Sub

	Private Sub _zoomColumnWidthCheckBox_CheckedChanged(sender As Object, e As EventArgs)
		_gcZoom1.ZoomFactor = 1.0F
		_listViewZoomPolicy.ZoomColumnWidth = _zoomColumnWidthCheckBox.Checked
	End Sub

	Private Sub _zoomItemFont_CheckedChanged(sender As Object, e As EventArgs)
		_gcZoom1.ZoomFactor = 1.0F
		_listViewZoomPolicy.ZoomItemFont = _zoomItemFont.Checked
	End Sub

	Private Sub InitializeComponent()
		_listView = New ListView()
		_listView.Location = New Point(20, 20)
		_listView.Size = New Size(400, 300)
		_listView.GridLines = True

		_listView.View = View.Details
		_listView.Columns.Add("", 100, HorizontalAlignment.Center)
		_listView.Columns.Add("", 100, HorizontalAlignment.Center)
		_listView.Columns.Add("", 100, HorizontalAlignment.Center)

		Dim item1 As New ListViewItem(New String() { "Item 1", "Item 2", "Item 3"})
		Dim item2 As New ListViewItem(New String() { "Item 4", "Item 5", "Item 6"})
		_listView.Items.Add(item1)
		_listView.Items.Add(item2)

		_enableCheckBox = New CheckBox()
		_enableCheckBox.Text = "Enabled"
		_enableCheckBox.Size = New Size(120, 20)
		_enableCheckBox.Location = New Point(450, 20)
		_enableCheckBox.Checked = True

		_zoomColumnWidthCheckBox = New CheckBox()
		_zoomColumnWidthCheckBox.Text = "ZoomColumnWidth"
		_zoomColumnWidthCheckBox.Size = New Size(120, 20)
		_zoomColumnWidthCheckBox.Location = New Point(450, 50)
		_zoomColumnWidthCheckBox.Checked = True

		_zoomItemFont = New CheckBox()
		_zoomItemFont.Text = "ZoomItemFont"
		_zoomItemFont.Size = New Size(120, 20)
		_zoomItemFont.Location = New Point(450, 80)
		_zoomItemFont.Checked = True

		_targetTypeTextBox = New TextBox()
		_targetTypeTextBox.[ReadOnly] = True
		_targetTypeTextBox.Size = New Size(120, 20)
		_targetTypeTextBox.Location = New Point(450, 110)

		Me.Controls.Add(_listView)
		Me.Controls.Add(_enableCheckBox)
		Me.Controls.Add(_zoomColumnWidthCheckBox)
		Me.Controls.Add(_zoomItemFont)
		Me.Controls.Add(_targetTypeTextBox)
		Me.Size = New Size(600, 450)
	End Sub
End Class

Constructors

Properties

Methods

See Also