public static ImageSource Byte2ImageSourse(byte[] data)
{
using var ms = new WrappingStream(new MemoryStream(data));
var bitmap = new BitmapImage();
bitmap.BeginInit();
bitmap.CacheOption = BitmapCacheOption.OnLoad;
bitmap.CreateOptions = BitmapCreateOptions.None;
bitmap.StreamSource = ms;
bitmap.EndInit();
bitmap.Freeze();
return(bitmap);
}
public static bool TryGetPrintWindowBmp(IntPtr hWnd, out ImageSource image)
{
if (!NativeMethod.GetWindowRect(hWnd, out NativeMethod.RECT rect))
{
image = null;
return(false);
}
int width = rect.right - rect.left;
int height = rect.bottom - rect.top;
if (width <= 0 || height <= 0)
{
image = null;
return(false);
}
var windowBmp = new Bitmap(width, height);
using var g = Graphics.FromImage(windowBmp);
var dc = g.GetHdc();
NativeMethod.PrintWindow(hWnd, dc, 0);
g.ReleaseHdc(dc);
using var ms = new WrappingStream(new MemoryStream());
windowBmp.Save(ms, ImageFormat.Png);
var bitmap = new BitmapImage();
bitmap.BeginInit();
bitmap.CacheOption = BitmapCacheOption.OnLoad;
bitmap.CreateOptions = BitmapCreateOptions.None;
bitmap.StreamSource = ms;
bitmap.EndInit();
bitmap.Freeze();
image = bitmap;
return(true);
}
