using System;
using System.Drawing;
namespace FirebearScreenMaker
{
class Program
{
public static void Main(string[] args)
{
[DllImport("user32.dll", SetLastError = true)]
static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
[DllImport("user32.dll", EntryPoint="FindWindow", SetLastError = true)]
static extern IntPtr FindWindowByCaption(IntPtr ZeroOnly, string lpWindowName);
Image img = WindowImageCapture.CaptureWindow(FindWindow("Командная строка", false));
img.Save("screen.gif", System.Drawing.Imaging.ImageFormat.Gif);
}
public static int FindWindow(string windowName, bool wait)
{
int hWnd = FindWindow(windowName, null);
while (wait && hWnd == 0)
{
System.Threading.Thread.Sleep(500);
hWnd = FindWindow(windowName, null);
}
return hWnd;
}
public static bool BringWindowToTop(string windowName, bool wait)
{
int hWnd = FindWindow(windowName, wait);
if (hWnd != 0)
{
return SetForegroundWindow((IntPtr)hWnd);
}
return false;
}
}
public class WindowImageCapture
{
/// <summary>
/// Получение снимка окна
/// </summary>
/// <param name="WindowHandle">HWND окна</param>
/// <returns>Скриншот</returns>
public static Image CaptureWindow(IntPtr WindowHandle)
{
if (WindowHandle != null)
{
User32.RECT windowRect = new User32.RECT();
User32.GetWindowRect(WindowHandle, ref windowRect);
int width = windowRect.right - windowRect.left + 1;
int height = windowRect.bottom - windowRect.top + 1;
User32.SetWindowPos(WindowHandle,
(System.IntPtr)User32.HWND_TOPMOST,
0, 0, 0, 0,
User32.SWP_NOMOVE |
User32.SWP_NOSIZE |
User32.SWP_FRAMECHANGED);
IntPtr hdcSrc = User32.GetWindowDC(WindowHandle);
IntPtr hdcDest = GDI32.CreateCompatibleDC(hdcSrc);
IntPtr hBitmap = GDI32.CreateCompatibleBitmap(hdcSrc,
width,
height);
IntPtr hOld = GDI32.SelectObject(hdcDest, hBitmap);
GDI32.BitBlt(hdcDest, 0, 0,
width, height,
hdcSrc, 0, 0,
GDI32.SRCCOPY);
User32.SetWindowPos(WindowHandle,
(System.IntPtr)User32.HWND_NOTOPMOST,
0, 0, 0, 0,
User32.SWP_NOMOVE |
User32.SWP_NOSIZE |
User32.SWP_FRAMECHANGED);
GDI32.SelectObject(hdcDest, hOld);
GDI32.DeleteDC(hdcDest);
User32.ReleaseDC(WindowHandle, hdcSrc);
Image img = Image.FromHbitmap(hBitmap);
GDI32.DeleteObject(hBitmap);
return img;
}
else
return null;
}
private class User32
{
public const int SWP_FRAMECHANGED = 0x0020;
public const int SWP_NOMOVE = 0x0002;
public const int SWP_NOSIZE = 0x0001;
public const int SWP_NOZORDER = 0x0004;
public const int HWND_TOPMOST = -1;
public const int HWND_NOTOPMOST = -2;
[StructLayout(LayoutKind.Sequential)]
public struct RECT
{
public int left;
public int top;
public int right;
public int bottom;
}
[DllImport("user32.dll")]
public static extern IntPtr GetWindowDC(IntPtr hWnd);
[DllImport("user32.dll")]
public static extern IntPtr ReleaseDC(IntPtr hWnd, IntPtr hDC);
[DllImport("user32.dll")]
public static extern IntPtr GetWindowRect(IntPtr hWnd,
ref RECT rect);
[DllImport("user32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool SetWindowPos(IntPtr hWnd,
IntPtr hWndInsertAfter,
int x, int y,
int cx, int cy,
uint uFlags);
}
private class GDI32
{
public const int SRCCOPY = 0x00CC0020;
[DllImport("gdi32.dll")]
public static extern bool BitBlt(IntPtr hObject,
int nXDest, int nYDest,
int nWidth, int nHeight, IntPtr hObjectSource,
int nXSrc, int nYSrc, int dwRop);
[DllImport("gdi32.dll")]
public static extern IntPtr CreateCompatibleBitmap(IntPtr hDC,
int nWidth,
int nHeight);
[DllImport("gdi32.dll")]
public static extern IntPtr CreateCompatibleDC(IntPtr hDC);
[DllImport("gdi32.dll")]
public static extern bool DeleteDC(IntPtr hDC);
[DllImport("gdi32.dll")]
public static extern bool DeleteObject(IntPtr hObject);
[DllImport("gdi32.dll")]
public static extern IntPtr SelectObject(IntPtr hDC,
IntPtr hObject);
}
}
}Спустя 123 сек.
а всё понял, дллимпорт не туда вставил
