WinHtmlEditor/Common/ToolStripFontComboBox.cs
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Text;
using System.Windows.Forms;
namespace WinHtmlEditor
{
public class ToolStripFontComboBox : ToolStripComboBox
{
#region Private Member Declarations
private readonly Dictionary<string, Font> _fontCache;
private int _itemHeight;
private int _previewFontSize;
private StringFormat _stringFormat;
#endregion Private Member Declarations
#region Public Constructors
public ToolStripFontComboBox()
{
_fontCache = new Dictionary<string, Font>();
DrawMode = DrawMode.OwnerDrawVariable;
if (!ComboBox.IsNull())
{
ComboBox.DrawItem += OnDrawItem;
ComboBox.MeasureItem += OnMeasureItem;
}
Sorted = true;
PreviewFontSize = 12;
CalculateLayout();
CreateStringFormat();
}
#endregion Public Constructors
#region Events
public event EventHandler PreviewFontSizeChanged;
#endregion Events
#region Protected Overridden Methods
protected override void Dispose(bool disposing)
{
ClearFontCache();
if (!_stringFormat.IsNull())
_stringFormat.Dispose();
base.Dispose(disposing);
}
protected void OnDrawItem(object sender, DrawItemEventArgs e)
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