Exemplo n.º 1
0
        private Icon getIcon(bool large)
        {
            // Get icon index and path:
            int           iconIndex = 0;
            StringBuilder iconPath  = new StringBuilder(260, 260);

            if (linkA == null)
            {
                linkW.GetIconLocation(iconPath, iconPath.Capacity, out iconIndex);
            }
            else
            {
                linkA.GetIconLocation(iconPath, iconPath.Capacity, out iconIndex);
            }
            string iconFile = iconPath.ToString();

            // If there are no details set for the icon, then we must use
            // the shell to get the icon for the target:
            if (iconFile.Length == 0)
            {
                // Use the FileIcon object to get the icon:
                FileIcon.SHGetFileInfoConstants flags = FileIcon.SHGetFileInfoConstants.SHGFI_ICON | FileIcon.SHGetFileInfoConstants.SHGFI_ATTRIBUTES;
                if (large)
                {
                    flags = flags | FileIcon.SHGetFileInfoConstants.SHGFI_LARGEICON;
                }
                else
                {
                    flags = flags | FileIcon.SHGetFileInfoConstants.SHGFI_SMALLICON;
                }
                FileIcon fileIcon = new FileIcon(Target, flags);
                return(fileIcon.ShellIcon);
            }
            else
            {
                // Use ExtractIconEx to get the icon:
                IntPtr[] hIconEx = new IntPtr[1] {
                    IntPtr.Zero
                };
                int iconCount = 0;
                if (large)
                {
                    iconCount = UnManagedMethods.ExtractIconEx(iconFile, iconIndex, hIconEx, null, 1);
                }
                else
                {
                    iconCount = UnManagedMethods.ExtractIconEx(iconFile, iconIndex, null, hIconEx, 1);
                }
                // If success then return as a GDI+ object
                Icon icon = null;
                if (hIconEx[0] != IntPtr.Zero)
                {
                    icon = Icon.FromHandle(hIconEx[0]);
                    //UnManagedMethods.DestroyIcon(hIconEx[0]);
                }
                return(icon);
            }
        }
Exemplo n.º 2
0
        private Icon getIcon(bool large)
        {
            int           piIcon      = 0;
            StringBuilder pszIconPath = new StringBuilder(260, 260);

            if (this.linkA == null)
            {
                this.linkW.GetIconLocation(pszIconPath, pszIconPath.Capacity, out piIcon);
            }
            else
            {
                this.linkA.GetIconLocation(pszIconPath, pszIconPath.Capacity, out piIcon);
            }
            string lpszFile = pszIconPath.ToString();

            if (lpszFile.Length == 0)
            {
                FileIcon.SHGetFileInfoConstants flags = FileIcon.SHGetFileInfoConstants.SHGFI_ATTRIBUTES | FileIcon.SHGetFileInfoConstants.SHGFI_ICON;
                flags = !large ? (flags | FileIcon.SHGetFileInfoConstants.SHGFI_SMALLICON) : (flags | FileIcon.SHGetFileInfoConstants.SHGFI_LARGEICON);
                return(new FileIcon(this.Target, flags).ShellIcon);
            }
            IntPtr[] phIconLarge = new IntPtr[] { IntPtr.Zero };
            if (large)
            {
                UnManagedMethods.ExtractIconEx(lpszFile, piIcon, phIconLarge, null, 1);
            }
            else
            {
                UnManagedMethods.ExtractIconEx(lpszFile, piIcon, null, phIconLarge, 1);
            }
            Icon icon = null;

            if (phIconLarge[0] != IntPtr.Zero)
            {
                icon = Icon.FromHandle(phIconLarge[0]);
            }
            return(icon);
        }
Exemplo n.º 3
0
 /// <summary>
 /// Constructs a new instance of the FileIcon class
 /// and retrieves the information specified in the
 /// flags.
 /// </summary>
 /// <param name="fileName">The filename to get information
 /// for</param>
 /// <param name="flags">The flags to use when extracting the
 /// icon and other shell information.</param>
 public FileIcon(string fileName, FileIcon.SHGetFileInfoConstants flags)
 {
     this.fileName = fileName;
     this.flags    = flags;
     GetInfo();
 }
Exemplo n.º 4
0
 public FileIcon(bool folder, string fileName, FileIcon.SHGetFileInfoConstants flags)
 {
     this.fileName = fileName;
     this.flags = flags;
     GetInfo(folder);
 }
Exemplo n.º 5
0
 public FileIcon(bool folder, string fileName, FileIcon.SHGetFileInfoConstants flags)
 {
     this.fileName = fileName;
     this.flags    = flags;
     GetInfo(folder);
 }