public static void Snapshot(IntPtr hReal, string FileName, System.Drawing.Rectangle rect)
{
BITMAPINFOHEADER bitmapinfoheader;
RECT structure = new RECT
{
bottom = 0,
left = 0,
right = 0,
top = 0
};
IntPtr lpRect = LocalAlloc(0x40, Marshal.SizeOf(structure));
GetWindowRect(hReal, lpRect);
structure = (RECT)Marshal.PtrToStructure(lpRect, typeof(RECT));
int nWidth = (structure.right - structure.left) - 1;
int nHeight = structure.bottom - structure.top;
nWidth = rect.Width;
nHeight = rect.Height;
IntPtr dC = GetDC(hReal);
IntPtr hDC = CreateCompatibleDC(dC);
bitmapinfoheader = new BITMAPINFOHEADER
{
biBitCount = 0x18,
biClrUsed = 0,
biClrImportant = 0,
biCompression = 0,
biHeight = nHeight,
biWidth = nWidth,
biPlanes = 1
};
bitmapinfoheader.biSize = (uint)Marshal.SizeOf(bitmapinfoheader);
int length = ((bitmapinfoheader.biHeight * bitmapinfoheader.biWidth) * bitmapinfoheader.biBitCount) / 8;
bitmapinfoheader.biSizeImage = (uint)length;
bitmapinfoheader.biXPelsPerMeter = 0xb12;
bitmapinfoheader.biYPelsPerMeter = 0xb12;
IntPtr zero = IntPtr.Zero;
IntPtr ptr = LocalAlloc(0x40, (int)bitmapinfoheader.biSize);
Marshal.StructureToPtr(bitmapinfoheader, ptr, false);
IntPtr hObject = CreateDIBSection(dC, ptr, 0, ref zero, IntPtr.Zero, 0);
Marshal.PtrToStructure(ptr, bitmapinfoheader);
BITMAPINFOHEADER bitmapinfoheader2 = (BITMAPINFOHEADER)Marshal.PtrToStructure(ptr, typeof(BITMAPINFOHEADER));
IntPtr ptr7 = SelectObject(hDC, hObject);
BitBlt(hDC, 0, 0, nWidth, nHeight, dC, 0, 0, 0xcc0020);
byte[] destination = new byte[length];
Marshal.Copy(zero, destination, 0, length);
BITMAPFILEHEADER bitmapfileheader = new BITMAPFILEHEADER
{
bfSize = (uint)(length + 0x36),
bfType = 0x4d42,
bfOffBits = 0x36
};
int index = 14;
byte[] array = new byte[index];
BitConverter.GetBytes(bitmapfileheader.bfType).CopyTo(array, 0);
BitConverter.GetBytes(bitmapfileheader.bfSize).CopyTo(array, 2);
BitConverter.GetBytes(bitmapfileheader.bfOffBits).CopyTo(array, 10);
byte[] buffer3 = new byte[length + 0x36];
array.CopyTo(buffer3, 0);
array = new byte[Marshal.SizeOf(bitmapinfoheader)];
IntPtr ptr8 = LocalAlloc(0x40, Marshal.SizeOf(bitmapinfoheader));
Marshal.StructureToPtr(bitmapinfoheader2, ptr8, false);
Marshal.Copy(ptr8, array, 0, Marshal.SizeOf(bitmapinfoheader));
LocalFree(ptr8);
array.CopyTo(buffer3, index);
destination.CopyTo(buffer3, 0x36);
FileStream stream = new FileStream(FileName, FileMode.Create);
stream.Write(buffer3, 0, buffer3.Length);
stream.Flush();
stream.Close();
buffer3 = null;
DeleteObject(SelectObject(hDC, ptr7));
DeleteDC(hDC);
ReleaseDC(dC);
}
public static extern IntPtr CreateDIBSection(IntPtr hdc, BITMAPINFOHEADER hdr, uint colors, ref IntPtr pBits, IntPtr hFile, uint offset);