/// <summary>
/// Generates the Icon which is used for folders
/// </summary>
/// <param name="_iconSize"></param>
/// <param name="_folderType"></param>
/// <returns></returns>
private static System.Drawing.Icon GetFolderIcon(IconSize _iconSize, FolderType _folderType)
{
// Need to add size check, although errors generated at present!
API.SHGFI flags = API.SHGFI.ICON | API.SHGFI.USEFILEATTRIBUTES;
if (FolderType.Open == _folderType)
{
flags |= API.SHGFI.OPENICON;
}
switch (_iconSize)
{
case IconSize.Small:
flags |= API.SHGFI.SMALLICON;
break;
case IconSize.Large:
flags |= API.SHGFI.LARGEICON;
break;
}
// Get the folder icon
var shfi = new API.SHFILEINFO();
var res = API.SHGetFileInfo(@"C:\Windows",
API.FileAttributes.ATTRIBUTE_DIRECTORY,
ref shfi,
(uint)Marshal.SizeOf(shfi),
flags);
if (res == IntPtr.Zero)
{
throw Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error());
}
// Load the icon from an HICON handle
System.Drawing.Icon.FromHandle(shfi.hIcon);
// Now clone the icon, so that it can be successfully used
var icon = (System.Drawing.Icon)System.Drawing.Icon.FromHandle(shfi.hIcon).Clone();
// Cleanup
API.DestroyIcon(shfi.hIcon);
return(icon);
}
/// <summary>
/// Generates the Icon which is used for folders
/// </summary>
/// <param name="_iconSize"></param>
/// <param name="_folderType"></param>
/// <returns></returns>
private static System.Drawing.Icon GetFolderIcon(IconSize _iconSize, FolderType _folderType)
{
// Need to add size check, although errors generated at present!
API.SHGFI flags = API.SHGFI.ICON | API.SHGFI.USEFILEATTRIBUTES;
if (FolderType.Open == _folderType)
{
flags |= API.SHGFI.OPENICON;
}
switch (_iconSize)
{
case IconSize.Small:
flags |= API.SHGFI.SMALLICON;
break;
case IconSize.Large:
flags |= API.SHGFI.LARGEICON;
break;
}
// Get the folder icon
var shfi = new API.SHFILEINFO();
var res = API.SHGetFileInfo(@"C:\Windows",
API.FileAttributes.ATTRIBUTE_DIRECTORY,
ref shfi,
(uint)Marshal.SizeOf(shfi),
flags);
if (res == IntPtr.Zero)
throw Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error());
// Load the icon from an HICON handle
System.Drawing.Icon.FromHandle(shfi.hIcon);
// Now clone the icon, so that it can be successfully used
var icon = (System.Drawing.Icon)System.Drawing.Icon.FromHandle(shfi.hIcon).Clone();
// Cleanup
API.DestroyIcon(shfi.hIcon);
return icon;
}
