/// <summary>
/// Gets the icon or thumbnail for a file or directory
/// </summary>
/// <param name="path">The path of the file or directory to get the icon or thumbnail for</param>
/// <param name="shellThumbnailSize">The size of the icon or thumbnail</param>
/// <param name="getIcon">True if the icon should be returned or false if the thumbnail should be returned</param>
/// <returns>The icon or thumbnail</returns>
public static Bitmap GetIconOrThumbnail(string path, ShellThumbnailSize shellThumbnailSize, bool getIcon = true)
{
using var shellObject = ShellObject.FromParsingName(path);
var thumb = shellObject.Thumbnail;
thumb.FormatOption = getIcon ? ShellThumbnailFormatOption.IconOnly : ShellThumbnailFormatOption.ThumbnailOnly;
return(thumb.GetTransparentBitmap(shellThumbnailSize));
}
public static Bitmap GetTransparentBitmap(this ShellThumbnail shellThumbnail, ShellThumbnailSize shellThumbnailSize = ShellThumbnailSize.Default)
{
return(shellThumbnailSize switch
{
ShellThumbnailSize.Default => CreateAlphaBitmap(shellThumbnail.Bitmap, PixelFormat.Format32bppArgb),
ShellThumbnailSize.Small => CreateAlphaBitmap(shellThumbnail.SmallBitmap, PixelFormat.Format32bppArgb),
ShellThumbnailSize.Medium => CreateAlphaBitmap(shellThumbnail.MediumBitmap, PixelFormat.Format32bppArgb),
ShellThumbnailSize.Large => CreateAlphaBitmap(shellThumbnail.LargeBitmap, PixelFormat.Format32bppArgb),
ShellThumbnailSize.ExtraLarge => CreateAlphaBitmap(shellThumbnail.ExtraLargeBitmap, PixelFormat.Format32bppArgb),
_ => CreateAlphaBitmap(shellThumbnail.Bitmap, PixelFormat.Format32bppArgb)
});
/// <summary>
/// Gets a transparent bitmap icon or thumbnail from a <see cref="ShellThumbnail"/> based on size
/// </summary>
/// <param name="shellThumbnail">The shell thumbnail to get the bitmap from</param>
/// <param name="shellThumbnailSize">The size of the thumbnail or icon to retrieve</param>
/// <returns>The thumbnail or icon</returns>
public static Bitmap GetTransparentBitmap(this ShellThumbnail shellThumbnail, ShellThumbnailSize shellThumbnailSize = ShellThumbnailSize.Default)
{
switch (shellThumbnailSize)
{
default:
case ShellThumbnailSize.Default:
return(CreateAlphaBitmap(shellThumbnail.Bitmap, PixelFormat.Format32bppArgb));
case ShellThumbnailSize.Small:
return(CreateAlphaBitmap(shellThumbnail.SmallBitmap, PixelFormat.Format32bppArgb));
case ShellThumbnailSize.Medium:
return(CreateAlphaBitmap(shellThumbnail.MediumBitmap, PixelFormat.Format32bppArgb));
case ShellThumbnailSize.Large:
return(CreateAlphaBitmap(shellThumbnail.LargeBitmap, PixelFormat.Format32bppArgb));
case ShellThumbnailSize.ExtraLarge:
return(CreateAlphaBitmap(shellThumbnail.ExtraLargeBitmap, PixelFormat.Format32bppArgb));
}
