富有挑战的题目——如何获得桌面图表的坐标

Question

如何获得桌面图表的坐标来接收我的100分吧

Answer 1

 GetWindowRect
 ClientToScreen(

Answer 2

IntPtr hDeskTop = IntPtr.Zero;
hDeskTop = Win32.FindWindow("Progman", "Program Manager");
hDeskTop = Win32.FindWindowEx(hDeskTop, IntPtr.Zero, "SHELLDLL_DefView", null);
hDeskTop = Win32.FindWindowEx(hDeskTop, IntPtr.Zero, "SysListView32", null);
if (hDeskTop != IntPtr.Zero)
{
    uint lpNumberOfBytesRead = 0;
    int count = GetListViewItemCount(hDeskTop);
    Console.WriteLine(count);
    IntPtr lpdwProcessId = IntPtr.Zero;
    Win32.GetWindowThreadProcessId(hDeskTop, ref lpdwProcessId);
    IntPtr hProcess = Win32.OpenProcess(PROCESS_ACCESS.PROCESS_ALL_ACCESS, false, (uint)lpdwProcessId);
    IntPtr ptrPointer = Win32.VirtualAllocEx(hProcess, IntPtr.Zero, (uint)Marshal.SizeOf(typeof(Point)), (uint)(MEMState.MEM_RESERVE | MEMState.MEM_COMMIT), (uint)PAGEProtection.PAGE_READWRITE);
    Point pt = new Point();
    int size = Marshal.SizeOf(typeof(Point));
    IntPtr ptrTemp = Marshal.AllocHGlobal(size);
    Marshal.StructureToPtr(pt, ptrTemp, false);
    for (int i = 0; i < count; ++i)
    {
        if (Win32.SendMessage(hDeskTop, (int)ListViewMessages.LVM_GETITEMPOSITION, i, ptrPointer) != IntPtr.Zero)
        {
Win32.ReadProcessMemory(hProcess, ptrPointer, ptrTemp, size, lpNumberOfBytesRead);
pt = (Point)Marshal.PtrToStructure(ptrTemp, typeof(Point));
Console.WriteLine(pt.ToString());
        }
    }
    Marshal.FreeHGlobal(ptrTemp);
    Win32.VirtualFreeEx(hProcess, ptrPointer, 0, (uint)MEMState.MEM_RELEASE);
    Win32.CloseHandle(hProcess);
}int GetListViewItemCount(IntPtr hWnd)
{
    return Win32.SendMessage(hWnd, (int)ListViewMessages.LVM_GETITEMCOUNT, 0, 0);
}//所需
[DllImport("user32.dll", EntryPoint = "FindWindow")]
public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
[DllImport("user32.dll", EntryPoint = "FindWindowEx")]
public static extern IntPtr FindWindowEx(IntPtr hWnd1, IntPtr hWnd2, string lpsz1, string lpsz2);
[DllImport("kernel32.dll")]
public static extern IntPtr OpenProcess(PROCESS_ACCESS dwDesiredAccess, bool bInheritHandle, uint dwProcessId);
[DllImport("kernel32.dll", SetLastError = true)]
public static extern bool ReadProcessMemory(IntPtr hProcess, IntPtr lpBaseAddress, IntPtr lpBuffer, int nSize, [In, Out] uint vNumberOfBytesRead);
[DllImport("kernel32.dll", SetLastError = true, ExactSpelling = true)]
public static extern IntPtr VirtualAllocEx(IntPtr hProcess, IntPtr lpAddress, uint dwSize, uint flAllocationType, uint flProtect);
[DllImport("user32.dll", CharSet=CharSet.Ansi,EntryPoint="SendMessageA")]
public static extern IntPtr SendMessage(IntPtr hWnd, int msg, int wParam, IntPtr lParam);
[DllImport("kernel32.dll", SetLastError = true, ExactSpelling = true)]
public static extern bool VirtualFreeEx(IntPtr hProcess, IntPtr lpAddress, uint dwSize, uint dwFreeType);
[DllImport("kernel32.dll", EntryPoint = "CloseHandle", SetLastError = true, CharSet = CharSet.Auto)]
public static extern IntPtr CloseHandle(IntPtr hObject);public enum PROCESS_ACCESS : uint
{
PROCESS_ALL_ACCESS = 0x001F0FFF,
PROCESS_VM_OPERATION = 0x0008,
PROCESS_VM_READ = 0x0010,
PROCESS_VM_WRITE = 0x0020,
PROCESS_QUERY_INFORMATION = 0x0400
}
public enum MEMState : uint
{
MEM_COMMIT = 0x1000,
        MEM_RESERVE = 0x2000,
        MEM_DECOMMIT = 0x4000,
        MEM_RELEASE = 0x8000,
        MEM_FREE = 0x10000,
        MEM_PRIVATE = 0x20000,
        MEM_MAPPED = 0x40000,
        MEM_RESET = 0x80000,
        MEM_TOP_DOWN = 0x100000,
        MEM_WRITE_WATCH = 0x200000,
        MEM_PHYSICAL = 0x400000,
        MEM_LARGE_PAGES = 0x20000000,
        MEM_4MB_PAGES = 0x80000000
}
public enum PAGEProtection : uint
{
PAGE_NOACCESS = 0x01,
PAGE_READONLY = 0x02,
PAGE_READWRITE = 0x04,
        PAGE_WRITECOPY = 0x08,
        PAGE_EXECUTE = 0x10,
        PAGE_EXECUTE_READ = 0x20,
        PAGE_EXECUTE_READWRITE = 0x40,
        PAGE_EXECUTE_WRITECOPY = 0x80,
        PAGE_GUARD = 0x100,
        PAGE_NOCACHE = 0x200,
        PAGE_WRITECOMBINE = 0x400
}
public enum ListViewMessages {
LVM_FIRST =  0x1000,
LVM_GETSUBITEMRECT = (LVM_FIRST + 56),
LVM_GETITEMSTATE     = (LVM_FIRST + 44),
LVM_GETITEMTEXTW     = (LVM_FIRST + 115),
LVM_INSERTITEMA = (LVM_FIRST + 7),
LVM_INSERTITEMW      = (LVM_FIRST + 77),
LVM_INSERTCOLUMNA    = (LVM_FIRST + 27),
LVM_INSERTCOLUMNW    = (LVM_FIRST + 97),
LVM_DELETECOLUMN    = (LVM_FIRST + 28),
LVM_GETCOLUMNA       = (LVM_FIRST + 25),
LVM_GETCOLUMNW       = (LVM_FIRST + 95),
LVM_SETEXTENDEDLISTVIEWSTYLE  = (LVM_FIRST + 54),  
LVM_SETITEMA         = (LVM_FIRST + 6),
LVM_SETITEMW = (LVM_FIRST + 76),
LVM_EDITLABELA           = (LVM_FIRST + 23),
LVM_EDITLABELW = (LVM_FIRST + 118),
LVM_DELETEITEM           = (LVM_FIRST + 8),
LVM_SETBKCOLOR          = (LVM_FIRST + 1),
LVM_GETBKCOLOR           = (LVM_FIRST + 0),
LVM_GETTEXTBKCOLOR       = (LVM_FIRST + 37),
LVM_SETTEXTBKCOLOR = (LVM_FIRST + 38),
LVM_DELETEALLITEMS       = (LVM_FIRST + 9),
LVM_GETNEXTITEM          = (LVM_FIRST + 12),
LVM_SETITEMCOUNT         = (LVM_FIRST + 47),
LVM_GETITEMCOUNT         = (LVM_FIRST + 4),
LVM_SETCOLUMNWIDTH           = (LVM_FIRST + 30),
LVM_GETITEMRECT          = (LVM_FIRST + 14),
        LVM_GETITEMPOSITION         = (LVM_FIRST + 16),
LVM_EDITLABEL = (LVM_FIRST + 23)
}