public void UpdateView()
{
this.ViewUpdating = true;
ShellControlHelper.PropertyDescriptorUpdate(this, this._entity);
FormElementPictureBoxEntityDev entity = (FormElementPictureBoxEntityDev)_formElement;
PropertyDescriptorCollection pdc = TypeDescriptor.GetProperties(this);
PropertyDescriptor pds;
pds = pdc.Find("Image", false);
if (pds != null)
{
if (String.IsNullOrEmpty(entity.Img) == false)
{
ImageResourceInfo imageResource = _resourceComponentService.GetImageResource(entity.Img);
if (imageResource != null)
{
Image image = imageResource.GetImage();
pds.SetValue(this, image);
}
}
else
{
pds.SetValue(this, null);
}
}
ShellControlHelper.SetProperty(this, "SizeMode", entity.SizeMode);
this.ViewUpdating = false;
}
public ImageListViewController(ImageListView imageListView)
{
_imageListView = imageListView;
_imageListView.AllowDrop = false;
_imageListView.AllowMultiSelection = true;
_getImage = new ImageListViewItem.GetImageHandler((key) =>
{
ImageResourceInfo resourceInfo = (ImageResourceInfo)key;
return(resourceInfo.GetImage());
});
}
protected override void Paint(System.Drawing.Graphics graphics, System.Drawing.Rectangle clipBounds,
System.Drawing.Rectangle cellBounds, int rowIndex, DataGridViewElementStates cellState, object value,
object formattedValue, string errorText, DataGridViewCellStyle cellStyle, DataGridViewAdvancedBorderStyle
advancedBorderStyle, DataGridViewPaintParts paintParts)
{
base.Paint(graphics, clipBounds, cellBounds, rowIndex, cellState, value, formattedValue, errorText, cellStyle,
advancedBorderStyle, paintParts);
graphics.FillRectangle(Brushes.White, cellBounds.X + 1, cellBounds.Y + 1, cellBounds.Width - 2, cellBounds.Height - 2);
int imageLocationX = cellBounds.X + 2;
int imageLocationY = cellBounds.Y + 2;
int imageSizeW = 16;
int imageSizeH = 16;
Rectangle imageBounds = new Rectangle(imageLocationX, imageLocationY, imageSizeW, imageSizeH);
int textLocationX = imageLocationX + imageSizeW + 2;
int textLocationY = cellBounds.Y + 4;
Point textLoation = new Point(textLocationX, textLocationY);
if (this.Value != null && this.Value.ToString() != String.Empty)
{
string resourceName = this.Value.ToString();
Image imageDraw;
if (_resourceService.Container(resourceName))
{
ImageResourceInfo imageResource = _resourceService.GetImageResource(resourceName);
Image image = imageResource.GetImage();
imageDraw = DrawingTool.GetScaleImage(image, imageSizeW, imageSizeH);
if (image != imageDraw)
{
image.Dispose();
}
}
else
{
imageDraw = DrawingTool.Mark.FileNotFind(imageBounds.Size);
}
try
{
graphics.DrawImage(imageDraw, imageBounds);
}
catch (Exception exception)
{
Debug.Assert(false, exception.Message);
imageDraw = DrawingTool.Mark.FileNotFind(imageBounds.Size);
graphics.DrawImage(imageDraw, imageBounds);
}
imageDraw.Dispose();
Font font = new Font(cellStyle.Font, cellStyle.Font.Style | FontStyle.Bold);
Brush textBrush = new SolidBrush(cellStyle.ForeColor);
graphics.DrawString(resourceName, font, textBrush, textLoation);
font.Dispose();
textBrush.Dispose();
}
}
private void _listBoxController_SelectedItemChanged(object sender, EventArgs e)
{
_selectedImageResource = _listBoxController.GetSelectedItem <ImageResourceInfo>();
if (_selectedImageResource == null)
{
if (this.pictureBoxPreview.Image != null)
{
this.pictureBoxPreview.Image = null;
}
return;
}
if (_imageCache.Keys.Contains(_selectedImageResource) == false)
{
Image thumbnailImage = DrawingTool.GetAutoScaleThumbnailImage(
_selectedImageResource.GetImage(), this.pictureBoxPreview.Width, this.pictureBoxPreview.Height);
_imageCache.Add(_selectedImageResource, thumbnailImage);
}
this.pictureBoxPreview.Image = _imageCache[_selectedImageResource];
}
