public Form1()
{
InitializeComponent();
List<Item> dataItems = new List<Item>
{
new Item("First", "Some description", Properties.Resources.birthday),
new Item("Second", "Some description", Properties.Resources.birthday),
new Item("Third", "Some description", Properties.Resources.birthday),
new Item("Fourth", "Some description", Properties.Resources.birthday),
new Item("Fifth", "Some description", Properties.Resources.birthday),
new Item("Sixth", "Some description", Properties.Resources.birthday),
new Item("Seventh", "Some description", Properties.Resources.birthday),
};
this.radGridView1.Columns.Add(new GridViewTextBoxColumn("Name"));
this.radGridView1.Columns.Add(new GridViewTextBoxColumn("Description"));
this.radGridView1.Columns.Add(new CustomImageColumn("Image"));
this.radGridView1.AutoGenerateColumns = false;
this.radGridView1.DataSource = dataItems;
}
public class Item
{
public string Name { get; set; }
public string Description { get; set; }
public Image Image { get; set; }
public Item(string name, string description, Image image)
{
this.Name = name;
this.Description = description;
this.Image = image;
}
}
public class ImageCell : GridDataCellElement
{
public ImageCell(GridViewColumn column, GridRowElement row) : base(column, row)
{
}
private StackLayoutElement stackElement;
private LightVisualElement textElement;
private LightVisualElement imageElement;
protected override void CreateChildElements()
{
base.CreateChildElements();
this.stackElement = new StackLayoutElement();
this.stackElement.StretchHorizontally = true;
this.stackElement.StretchVertically = true;
this.textElement = new LightVisualElement();
this.imageElement = new LightVisualElement();
stackElement.Children.Add(textElement);
stackElement.Children.Add(imageElement);
this.Children.Add(stackElement);
}
protected override void SetContentCore(object value)
{
if (this.Value != null && this.Value != DBNull.Value && this.ColumnInfo.Name == "Image")
{
Item item = this.RowInfo.DataBoundItem as Item;
if (item != null)
{
this.imageElement.Image = item.Image;
this.imageElement.ImageLayout = ImageLayout.Zoom;
this.textElement.Text = item.Description;
}
}
}
public override bool IsCompatible(GridViewColumn data, object context)
{
return data.Name == "Image" && context is GridDataRowElement;
}
protected override Type ThemeEffectiveType
{
get
{
return typeof(GridDataCellElement);
}
}
}
public class CustomImageColumn : GridViewDataColumn
{
public CustomImageColumn(string fieldName) : base(fieldName)
{
}
public override Type GetCellType(GridViewRowInfo row)
{
if (row is GridViewDataRowInfo)
{
return typeof(ImageCell);
}
return base.GetCellType(row);
}
}