BitmapSource GetWindowIcon(IntPtr windowHandle, bool bigIconSize = true)
{
var hIcon = windowNativeApi.SendMessage(
windowHandle,
(int)Message.WM_GETICON,
bigIconSize ? WindowNativeApi.ICON_LARGE : WindowNativeApi.ICON_SMALL,
IntPtr.Zero);
if (hIcon == IntPtr.Zero)
{
hIcon = windowNativeApi.GetClassLongPtr(windowHandle, WindowNativeApi.GCL_HICON);
}
if (hIcon == IntPtr.Zero)
{
hIcon = windowNativeApi.LoadIcon(IntPtr.Zero, WindowNativeApi.IDI_APPLICATION);
}
if (hIcon != IntPtr.Zero)
{
return(Imaging.CreateBitmapSourceFromHIcon(
hIcon,
Int32Rect.Empty,
BitmapSizeOptions.FromEmptyOptions()));
}
throw new InvalidOperationException("Could not load window icon.");
}
async Task <BitmapSource> GetWindowIconAsync(
Process process,
IntPtr windowHandle,
bool bigIconSize = true)
{
if (process.Id != 0)
{
try
{
var processDirectoryName = Path.GetFileName(Path.GetDirectoryName(process.MainModule.FileName));
Debug.Assert(processDirectoryName != null, nameof(processDirectoryName) + " != null");
var universalWindowsApplicationPackage = packageManager.FindPackageForUser(string.Empty, processDirectoryName);
if (universalWindowsApplicationPackage != null)
{
return(await GetIconFromUniversalWindowsApplicationAsync(
universalWindowsApplicationPackage,
new Size(1024, 1024)));
}
}
catch (Win32Exception)
{
//issue #560 trying to fetch MainModule of a 32 bit process from Shapeshifter which is a 64 bit process.
}
}
var hIcon = windowNativeApi.SendMessage(
windowHandle,
(int)Message.WM_GETICON,
bigIconSize ? WindowNativeApi.ICON_LARGE : WindowNativeApi.ICON_SMALL,
IntPtr.Zero);
if (hIcon == IntPtr.Zero)
{
hIcon = windowNativeApi.GetClassLongPtr(windowHandle, WindowNativeApi.GCL_HICON);
}
if (hIcon == IntPtr.Zero)
{
hIcon = windowNativeApi.LoadIcon(IntPtr.Zero, WindowNativeApi.IDI_APPLICATION);
}
if (hIcon != IntPtr.Zero)
{
return(Imaging.CreateBitmapSourceFromHIcon(
hIcon,
Int32Rect.Empty,
BitmapSizeOptions.FromEmptyOptions()));
}
throw new InvalidOperationException("Could not load window icon.");
}