46 lines
1.7 KiB
C#
46 lines
1.7 KiB
C#
using System;
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using System.Drawing;
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using System.Windows.Forms;
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using CC_Functions.W32.DCDrawer;
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using CC_Functions.W32.Native;
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namespace CC_Functions.W32
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{
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public static class ScreenMan
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{
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private const int SRCCOPY = 13369376;
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public static Image CaptureScreen() => CaptureWindow(user32.GetDesktopWindow());
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public static Image CaptureWindow(IntPtr handle)
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{
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IntPtr hdcSrc = user32.GetWindowDC(handle);
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RECT windowRect = new RECT();
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user32.GetWindowRect(handle, ref windowRect);
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IntPtr hdcDest = gdi32.CreateCompatibleDC(hdcSrc);
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IntPtr hBitmap = gdi32.CreateCompatibleBitmap(hdcSrc, windowRect.Width, windowRect.Height);
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IntPtr hOld = gdi32.SelectObject(hdcDest, hBitmap);
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gdi32.BitBlt(hdcDest, 0, 0, windowRect.Width, windowRect.Height, hdcSrc, 0, 0, SRCCOPY);
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gdi32.SelectObject(hdcDest, hOld);
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gdi32.DeleteDC(hdcDest);
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user32.ReleaseDC(handle, hdcSrc);
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Image img = Image.FromHbitmap(hBitmap);
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gdi32.DeleteObject(hBitmap);
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return img;
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}
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public static void Draw(Image img)
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{
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using (IDCDrawer drawerBuffered = GetDrawer()) drawerBuffered.Graphics.DrawImage(img, GetBounds());
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}
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public static IDCDrawer GetDrawer(bool buffer = true)
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{
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IntPtr ptr = user32.GetDC(IntPtr.Zero);
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return buffer ? (IDCDrawer) new DCBuffered(ptr) : new DCUnbuffered(ptr);
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}
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public static Rectangle GetBounds() => Screen.PrimaryScreen.Bounds;
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public static void Refresh() => shell32.SHChangeNotify(0x8000000, 0x1000, IntPtr.Zero, IntPtr.Zero);
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}
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} |