public static System.Drawing.Icon GetSystemLargeIcon(string filename)
{
const int FILE_ATTRIBUTE_NORMAL = 128;
SHFILEINFO shFileInfoLargeIcon = new SHFILEINFO();
/*
* We are trapping the . so that we can find a file associated with a extension
* without giving the file location
*/
uint dwFileAttributes = filename.Contains(".") ? 0u : FILE_ATTRIBUTE_NORMAL;
WindowsAPI.SHGetFileInfo(filename, dwFileAttributes, ref shFileInfoLargeIcon, (uint) Marshal.SizeOf(shFileInfoLargeIcon), WindowsAPI.SHGFI_ICON | WindowsAPI.SHGFI_LARGEICON | WindowsAPI.SHGFI_USEFILEATTRIBUTES);
return System.Drawing.Icon.FromHandle(shFileInfoLargeIcon.hIcon);
}
public static System.Drawing.Icon GetSystemIcon(string filename)
{
SHFILEINFO shFileInfoSmallIcon = new SHFILEINFO();
IntPtr hSmallIcon = WindowsAPI.SHGetFileInfo(filename, 0, ref shFileInfoSmallIcon, (uint)Marshal.SizeOf(shFileInfoSmallIcon), WindowsAPI.SHGFI_ICON | WindowsAPI.SHGFI_SMALLICON | WindowsAPI.SHGFI_USEFILEATTRIBUTES);
return System.Drawing.Icon.FromHandle(shFileInfoSmallIcon.hIcon);
}
public static extern IntPtr SHGetFileInfo(string pszPath,
uint dwFileAttributes,
ref SHFILEINFO psfi,
uint cbSizeFileInfo,
uint uFlags);
