/// <summary>
/// 从文件扩展名得到文件关联图标
/// </summary>
/// <param name="smallIcon">是否是获取小图标，否则是大图标</param>
/// <returns>图标</returns>
public Icon GetIcon(bool smallIcon)
{
SHFILEINFO fi = new SHFILEINFO();
Icon ic = null;
//SHGFI_ICON + SHGFI_USEFILEATTRIBUTES + SmallIcon
int iTotal = Win32API.SHGetFileInfo(FileName, 100, ref fi, 0, (uint)(smallIcon ? 273 : 272));
if (iTotal > 0)
{
ic = Icon.FromHandle(fi.HIcon);
}
return ic;
}
public static extern int SHGetFileInfo(string pszPath, uint dwFileAttributes, ref SHFILEINFO psfi, uint cbFileInfo, uint uFlags);