public static Point?GetIconPosition(string title)
{
var desktopHandle = GetDesktopHandle();
var desktopProcess = GetDesktopProcess(desktopHandle);
var vItemCount = NM.SendMessage(desktopHandle, NM.LVM_GETITEMCOUNT, 0, 0);
for (var item = 0; item < vItemCount; item++)
{
var iconTitle = GetIconTitle(desktopHandle, desktopProcess, item);
if (string.Compare(title, 0, iconTitle, 0, title.Length, StringComparison.CurrentCultureIgnoreCase) == 0)
{
var vPointer = NM.VirtualAllocEx(desktopProcess, IntPtr.Zero, (IntPtr)100,
NM.MEM_RESERVE | NM.MEM_COMMIT, NM.PAGE_READWRITE);
try
{
if (NM.SendMessage(desktopHandle, NM.LVM_GETITEMPOSITION, item, vPointer.ToInt32()) == 0)
{
return(null);
}
var vPoint = new Point[1];
var vNumberOfBytesRead = new IntPtr(0);
NM.ReadProcessMemory(desktopProcess, vPointer,
Marshal.UnsafeAddrOfPinnedArrayElement(vPoint, 0),
(IntPtr)Marshal.SizeOf(typeof(Point)), ref vNumberOfBytesRead);
vPoint[0].X += Settings.Default.MonitorOffset.Width;
vPoint[0].Y += Settings.Default.MonitorOffset.Height;
return(vPoint[0]);
}
finally
{
NM.VirtualFreeEx(desktopProcess, vPointer, (IntPtr)0, NM.MEM_RELEASE);
}
}
}
return(null);
}
private static string GetIconTitle(IntPtr desktopHandle, IntPtr desktopProcess, int index)
{
var vPointer = NM.VirtualAllocEx(desktopProcess, IntPtr.Zero, (IntPtr)2048,
NM.MEM_RESERVE | NM.MEM_COMMIT, NM.PAGE_READWRITE);
try
{
var vBuffer = new byte[256];
var vNumberOfBytesRead = new IntPtr(0);
var vItem = new NativeMethods.LVITEM[1];
vItem[0].mask = NM.LVIF_TEXT;
vItem[0].iItem = index;
vItem[0].iSubItem = 0;
vItem[0].cchTextMax = vBuffer.Length;
vItem[0].pszText = (IntPtr)((int)vPointer + Marshal.SizeOf(typeof(NativeMethods.LVITEM)));
NM.WriteProcessMemory(desktopProcess, vPointer,
Marshal.UnsafeAddrOfPinnedArrayElement(vItem, 0),
(IntPtr)Marshal.SizeOf(typeof(NativeMethods.LVITEM)), ref vNumberOfBytesRead);
if (NM.SendMessage(desktopHandle, NM.LVM_GETITEMW, index, vPointer.ToInt32()) == 0)
{
return(string.Empty);
}
NM.ReadProcessMemory(desktopProcess,
(IntPtr)((int)vPointer + Marshal.SizeOf(typeof(NativeMethods.LVITEM))),
Marshal.UnsafeAddrOfPinnedArrayElement(vBuffer, 0),
(IntPtr)vBuffer.Length, ref vNumberOfBytesRead);
return(Encoding.Unicode.GetString(vBuffer, 0, (int)vNumberOfBytesRead));
}
finally
{
NM.VirtualFreeEx(desktopProcess, vPointer, (IntPtr)0, NM.MEM_RELEASE);
}
}