void PaintItem(int index, Color color)
{
if (index < 0)
{
return;
}
if (index >= Items.Count)
{
return;
}
using (Graphics g = Graphics.FromHwnd(Handle))
{
int iconindex = sysimagelist.IconIndex(((PIDL)Items[index]).Pidl);
using (Brush brush = new SolidBrush(color))
g.FillRectangle(brush, GetItemRectangle(index));
g.DrawImage(sysimagelist.Icon(iconindex).ToBitmap(), new Rectangle(8, GetItemRectangle(index).Y + 3, 16, 16));
if (Items[index].Equals(SelectedItem))
{
using (Font boldfont = new Font(Font.Name, Font.Size, FontStyle.Bold))
g.DrawString(Items[index].ToString(), boldfont, Brushes.Black, 36, GetItemRectangle(index).Y + 5);
}
else
{
g.DrawString(Items[index].ToString(), Font, Brushes.Black, 36, GetItemRectangle(index).Y + 5);
}
}
}
protected override void OnPaint(PaintEventArgs e)
{
int count = 0;
Items = new Items();
if (data != null)
{
PIDL pidl = (PIDL)data.Clone();
while (!pidl.IsDesktop)
{
Items.Add(new Item(pidl));
pidl = (PIDL)pidl.GetParentFolder().Clone();
count++;
}
pidl.DisplayName = "My Computer";
Item item = Items.Add(new Item(pidl));
item.Rectangle = new Rectangle(0, 3, 16, 16);
item.X = 0;
item.Y = 3;
item.Hotspot = new Rectangle(17, 3, 17, 16);
pidl.Dispose();
int index = sysimagelist.IconIndex(data.Pidl);
e.Graphics.DrawImage(sysimagelist.Icon(index).ToBitmap(), new Rectangle(3, 3, 16, 16));
DrawItems(e.Graphics);
}
Rectangle rect = ClientRectangle;
rect.Width--;
rect.Height--;
e.Graphics.DrawRectangle(RectPen, rect);
base.OnPaint(e);
}
public Icon GetIcon(int index)
{
if (m_ImageList == null)
{
return(null);
}
return(m_ImageList.Icon(index));
}
void AddImage(IntPtr himage, PIDL pidl, TreeNode item)
{
int index = smallimagelist.Images.IndexOfKey(item.Name);
if (index < 0)
{
index = sysimagelist.IconIndex(pidl.Pidl);
smallimagelist.Images.Add(sysimagelist.Icon(index).ToBitmap());
index = smallimagelist.Images.Count - 1;
}
item.ImageIndex = index;
item.SelectedImageIndex = index;
}
private Bitmap loadJumbo(string lookup)
{
_imgList.ImageListSize = isVistaUp() ? SysImageListSize.jumbo : SysImageListSize.extraLargeIcons;
Icon icon = _imgList.Icon(_imgList.IconIndex(lookup, isFolder(lookup)));
Bitmap bitmap = icon.ToBitmap();
icon.Dispose();
System.Drawing.Color empty = System.Drawing.Color.FromArgb(0, 0, 0, 0);
if (bitmap.Width < 256)
{
bitmap = resizeImage(bitmap, new System.Drawing.Size(256, 256), 0);
}
else
if (bitmap.GetPixel(100, 100) == empty && bitmap.GetPixel(200, 200) == empty && bitmap.GetPixel(200, 200) == empty)
{
_imgList.ImageListSize = SysImageListSize.largeIcons;
bitmap = resizeJumbo(_imgList.Icon(_imgList.IconIndex(lookup)).ToBitmap(), new System.Drawing.Size(200, 200), 5);
}
return(bitmap);
}
private Bitmap LoadJumbo(string lookup, TargetType type)
{
ImgList.ImageListSize = SysImageJumboSize;
var icon = ImgList.Icon(ImgList.IconIndex(lookup, type == TargetType.Folder));
var bitmap = icon.ToBitmap();
icon.Dispose();
var empty = Color.FromArgb(0, 0, 0, 0);
if (bitmap.Width < 256)
{
bitmap = ResizeImage(bitmap, new Size(256, 256), 0);
}
else if (bitmap.GetPixel(100, 100) == empty &&
bitmap.GetPixel(200, 200) == empty &&
bitmap.GetPixel(200, 200) == empty)
{
ImgList.ImageListSize = SysImageListSize.LARGE;
bitmap = ResizeJumbo(ImgList.Icon(ImgList.IconIndex(lookup)).ToBitmap(), new Size(200, 200), 5);
}
return(bitmap);
}
void DrawDesktop(Color color)
{
int index = sysimagelist.IconIndex(desktop.Pidl);
using (Graphics g = Graphics.FromHwnd(desktopPanel.Handle))
using (Brush brush = new SolidBrush(color))
{
Rectangle rect = desktopPanel.Bounds;
rect.X += 2;
rect.Y += 2;
rect.Width -= 4;
rect.Height = 20;
g.FillRectangle(brush, rect);
g.DrawImage(sysimagelist.Icon(index).ToBitmap(), new Rectangle(8, desktopPanel.Bounds.Y + 4, 16, 16));
g.DrawString(desktop.DisplayName, Font, Brushes.Black, 35, desktopPanel.Bounds.Y + 6);
g.DrawLine(SystemPens.ControlDark, 2, desktopPanel.Height - 5, desktopPanel.Width - 3, desktopPanel.Height - 5);
}
}
public static Bitmap GetJumboLargeThumbnail(string fileName)
{
Bitmap result;
if (Environment.OSVersion.Version.Major >= 6)
{
try
{
SysImageList sysImageList = new SysImageList(SysImageListSize.SHIL_JUMBO);
Bitmap bitmap = sysImageList.Icon(sysImageList.IconIndex(fileName, true)).ToBitmap();
if (bitmap.GetPixel((int)((double)bitmap.Width / 1.5), (int)((double)bitmap.Height / 1.5)).ToArgb() != 0 && bitmap.GetPixel(bitmap.Width / 2, bitmap.Height / 2).ToArgb() != 0 && bitmap.GetPixel(bitmap.Width / 3, bitmap.Height / 3).ToArgb() != 0 && bitmap.GetPixel(bitmap.Width / 4, bitmap.Height / 4).ToArgb() != 0)
{
result = bitmap;
return(result);
}
SysImageList sysImageList2 = new SysImageList(SysImageListSize.extraLargeIcons);
Bitmap bitmap2 = sysImageList2.Icon(sysImageList2.IconIndex(fileName, true)).ToBitmap();
result = bitmap2;
return(result);
}
catch (Exception)
{
result = null;
return(result);
}
}
if (Environment.OSVersion.Version.Major >= 5)
{
try
{
SysImageList sysImageList2 = new SysImageList(SysImageListSize.extraLargeIcons);
result = sysImageList2.Icon(sysImageList2.IconIndex(fileName, true)).ToBitmap();
return(result);
}
catch (Exception)
{
result = null;
return(result);
}
}
result = null;
return(result);
}
void AddImage(IntPtr himage, PIDL pidl, ListViewItem item)
{
int imageSize = largeimagelist.ImageSize.Width;
Bitmap bmp = null;
//if (thumbDB.HasThumbnail(System.IO.Path.GetFileName(pidl.PhysicalPath)))
//{
// using (Image img = thumbDB.GetThumbnailImage(System.IO.Path.GetFileName(pidl.PhysicalPath)))
// {
// largeimagelist.Images.Add(item.Name, Thumbnail.ScaleImage((Bitmap)img, imageSize, imageSize));
// item.ImageIndex = largeimagelist.Images.Count - 1;
// return;
// }
//}
try
{
if (largeimagelist.Images.IndexOfKey(item.Name) < 0)
{
if (himage == IntPtr.Zero)
{
switch (imageSize)
{
case 16: sysimagelist = new SysImageList(SysImageListSize.smallIcons); break;
case 48: sysimagelist = new SysImageList(SysImageListSize.largeIcons); break;
case 96: sysimagelist = new SysImageList(SysImageListSize.extraLargeIcons); break;
case 256: sysimagelist = new SysImageList(SysImageListSize.JumboIcons); break;
}
int index = sysimagelist.IconIndex(pidl.Pidl);
LargeImageList.Images.Add(item.Name, Thumbnail.CreateAlphaBitmap(sysimagelist.Icon(index).ToBitmap(), System.Drawing.Imaging.PixelFormat.Format32bppArgb));
smallimagelist.Images.Add(item.Name, Thumbnail.CreateAlphaBitmap(sysimagelist.Icon(index).ToBitmap(), System.Drawing.Imaging.PixelFormat.Format32bppArgb));
item.ImageIndex = LargeImageList.Images.Count - 1;
}
else
{
//bmp = Thumbnail.GetCachedImage(pidl.Pidl, imageSize);
//if (bmp == null)
{
bmp = Thumbnail.GetBitmapFromHBitmap(himage);
{
smallimagelist.Images.Add(item.Name, Thumbnail.CentreImage(bmp, smallimagelist.ImageSize.Width, smallimagelist.ImageSize.Height));
if ((bmp.Width != imageSize && bmp.Height != imageSize))// && pidl.PhysicalPath != "")
{
bmp = Thumbnail.CentreImage(bmp, imageSize, imageSize);
}
else
{
if (bmp.Width != imageSize || bmp.Height != imageSize)
{
bmp = Thumbnail.ScaleImage(bmp, imageSize, imageSize);
}
}
}
//Thumbnail.SaveThumb(pidl.Pidl, bmp);
}
largeimagelist.Images.Add(item.Name, bmp);
item.ImageIndex = largeimagelist.Images.Count - 1;
}
return;
}
item.ImageIndex = largeimagelist.Images.IndexOfKey(item.Name);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
if (bmp != null)
{
bmp.Dispose();
}
Thumbnail.DeleteObject(himage);
}
}