/// <summary>
/// Allocate a chunk in another process and unmarshal a struct
/// there.
/// </summary>
public static ProcessMemoryChunk AllocStruct(Process process, object structure)
{
int size = Marshal.SizeOf(structure);
ProcessMemoryChunk result = Alloc(process, size);
result.WriteStructure(0, structure);
return(result);
}
public void CheckItem(int itemIndex)
{
var lvi = new WindowsApi.LVITEM
{
iItem = itemIndex,
iSubItem = 0,
stateMask = 8192, //TODO: Replace these with the proper constants
state = 8192,
};
using (var structBuffer = ProcessMemoryChunk.AllocStruct(process, lvi))
{
if (WindowsApi.SendMessage(handle, WindowsApi.LVM_SETITEMSTATE, (IntPtr)itemIndex, structBuffer.Location) == IntPtr.Zero)
{
throw new Exception("Couldn't set list item state");
}
}
}
/// <remarks>
/// Taken from https://github.com/kvakulo/Switcheroo/blob/master/ManagedWinapi/SystemListView.cs#L75
/// </remarks>
public IEnumerable <string> GetListItems()
{
var listViewItemCount = (int)WindowsApi.SendMessage(handle, WindowsApi.LVM_GETITEMCOUNT, IntPtr.Zero, IntPtr.Zero);
for (var i = 0; i < listViewItemCount; ++i)
{
var lvi = new WindowsApi.LVITEM
{
cchTextMax = 512,
iItem = i,
iSubItem = 0,
stateMask = 0xffffffff,
mask = WindowsApi.LVIF_STATE | WindowsApi.LVIF_TEXT,
};
using (var textBuffer = ProcessMemoryChunk.Alloc(process, lvi.cchTextMax * 2 /* Assuming 2-byte character size just in case */))
{
lvi.pszText = textBuffer.Location;
using (var structBuffer = ProcessMemoryChunk.AllocStruct(process, lvi))
{
if (WindowsApi.SendMessage(handle, WindowsApi.LVM_GETITEM, IntPtr.Zero, structBuffer.Location) == IntPtr.Zero)
{
throw new Exception("Couldn't get list item");
}
lvi = (WindowsApi.LVITEM)structBuffer.ReadToStructure(0, typeof(WindowsApi.LVITEM));
}
//TODO: Check if pszText pointer location changed
var titleBytes = textBuffer.Read();
var title = Encoding.Default.GetString(titleBytes);
if (title.IndexOf('\0') != -1)
{
title = title.Substring(0, title.IndexOf('\0'));
}
yield return(title);
}
}
}
