public int ComboBoxAddItem(ImageComboBoxItem item)
{
item.Text = (item.Text.Length == 0)?item.GetType().Name + base.Items.Count.ToString():item.Text;
base.Items.Add(item);
return(base.Items.Count - 1);
}
/// <summary>
/// Helper method for drawing items .
/// </summary>
/// <param name="e"></param>
private void DrawItemHelperForItems(DrawItemEventArgs e)
{
e.DrawFocusRectangle();
e.DrawBackground();
ImageComboBoxItem item = (ImageComboBoxItem)this.Items [e.Index];
if (item.Font == null)
{
item.Font = this.Font;
}
StringFormat format = new StringFormat();
//format.FormatFlags = StringFormatFlags.NoWrap;
format.FormatFlags = StringFormatFlags.NoClip;
format.LineAlignment = StringAlignment.Center;
int indent = (item.IndentLevel * this.Indent);
if (item.ImageIndex != -1)
{
Image theIcon = this.ImageList.Images [item.ImageIndex];
Bitmap ImageToDraw = new Bitmap(theIcon, e.Bounds.Height - 1, e.Bounds.Height - 1);
int IconHeight = ImageToDraw.Height;
int IconWidth = ImageToDraw.Width;
int offset = 1;
if (this.RightToLeft == RightToLeft.Yes)
{
ImageToDraw.RotateFlip(RotateFlipType.RotateNoneFlipX);
format.Alignment = StringAlignment.Far;
RectangleF itemRect = new RectangleF((float)(e.Bounds.X - offset), (float)(e.Bounds.Y), (float)(e.Bounds.Width - IconWidth - indent - offset), (float)(e.Bounds.Height));
e.Graphics.DrawString(item.Text, item.Font, new SolidBrush(e.ForeColor), itemRect, format);
Rectangle imageRect = new Rectangle(e.Bounds.X + offset + (e.Bounds.Width - (IconWidth + indent)), e.Bounds.Y, IconWidth, IconHeight);
e.Graphics.DrawImage(ImageToDraw, imageRect);
}
else
{
format.Alignment = StringAlignment.Near;
RectangleF itemRect = new RectangleF((float)(e.Bounds.X + IconWidth + indent + offset), (float)(e.Bounds.Y), (float)(e.Bounds.Width - IconWidth - indent - offset), (float)(e.Bounds.Height));
e.Graphics.DrawString(item.Text, item.Font, new SolidBrush(e.ForeColor), itemRect, format);
Rectangle imageRect = new Rectangle(e.Bounds.X + offset + indent, e.Bounds.Y, IconWidth, IconHeight);
e.Graphics.DrawImage(ImageToDraw, imageRect);
}
}
else
{
if (this.RightToLeft == RightToLeft.Yes)
{
format.Alignment = StringAlignment.Far;
e.Graphics.DrawString(item.Text, item.Font, new SolidBrush(e.ForeColor), new RectangleF((float)e.Bounds.X, (float)e.Bounds.Y, (float)(e.Bounds.Width - indent), (float)e.Bounds.Height), format);
}
else
{
format.Alignment = StringAlignment.Near;
e.Graphics.DrawString(item.Text, item.Font, new SolidBrush(e.ForeColor), new RectangleF((float)(e.Bounds.X + indent), (float)e.Bounds.Y, (float)e.Bounds.Width, (float)e.Bounds.Height), format);
}
}
}
public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType)
{
if (destinationType == typeof(System.ComponentModel.Design.Serialization.InstanceDescriptor))
{
Type valueType = value.GetType();
ConstructorInfo ci = valueType.GetConstructor(System.Type.EmptyTypes);
ImageComboBoxItem item = (ImageComboBoxItem)value;
return(new InstanceDescriptor(ci, null, false));
}
else
{
return(base.ConvertTo(context, culture, value, destinationType));
}
}
public void ComboBoxRemoveItem(ImageComboBoxItem item)
{
base.Items.Remove(item);
}
public int ComboBoxInsertItem(int index, ImageComboBoxItem item)
{
item.Text = (item.Text.Length == 0)?item.GetType().Name + index.ToString():item.Text;
base.Items.Insert(index, item);
return(index);
}
public bool ComboBoxContains(ImageComboBoxItem item)
{
return(base.Items.Contains(item));
}
void IList.Insert(int index, object item)
{
ImageComboBoxItem comboItem = (ImageComboBoxItem)item;
this.Insert(index, comboItem);
}
int IList.Add(object item)
{
ImageComboBoxItem comboItem = (ImageComboBoxItem)item;
return(this.Add(comboItem));
}
public int Add(ImageComboBoxItem item)
{
return(owner.ComboBoxInsertItem(this.Count, item));
}
public void Insert(int index, ImageComboBoxItem item)
{
owner.ComboBoxInsertItem(index, item);
}
public void Remove(ImageComboBoxItem item)
{
throw new NotSupportedException();
}