// This overload method is used to get SysHeader Item text.
internal static unsafe string GetItemText(IntPtr hwnd, int index, NativeMethods.HDITEM item)
{
ProcessorTypes localBitness;
ProcessorTypes remoteBitness;
GetProcessTypes(hwnd, out localBitness, out remoteBitness);
if (localBitness == remoteBitness)
{
return GetTextWithinStructure(hwnd, NativeMethods.HDM_GETITEMW, new IntPtr(index), new IntPtr(&item), Marshal.SizeOf(item.GetType()), new IntPtr(&item.pszText), item.cchTextMax);
}
else if (remoteBitness == ProcessorTypes.Processor32Bit)
{
HDITEM_32 item32 = new HDITEM_32(item);
return GetTextWithinStructureRemoteBitness(
hwnd, NativeMethods.HDM_GETITEMW, new IntPtr(index), new IntPtr(&item32),
Marshal.SizeOf(item32.GetType()), new IntPtr(&item32.pszText), item32.cchTextMax,
remoteBitness, false);
}
else if (remoteBitness == ProcessorTypes.Processor64Bit)
{
HDITEM_64 item64 = new HDITEM_64(item);
return GetTextWithinStructure(hwnd, NativeMethods.HDM_GETITEMW, new IntPtr(index), new IntPtr(&item64), Marshal.SizeOf(item64.GetType()), new IntPtr(&item64.pszText), item64.cchTextMax);
}
return "";
}
//------------------------------------------------------
//
// SysHeader Control Methods that support cross process / cross bitness
//
//------------------------------------------------------
#region SysHeader Control Methods
// This overload method is used to get SysHeader Item data.
internal static unsafe bool GetItem(IntPtr hwnd, int index, ref NativeMethods.HDITEM item)
{
ProcessorTypes localBitness;
ProcessorTypes remoteBitness;
GetProcessTypes(hwnd, out localBitness, out remoteBitness);
if (localBitness == remoteBitness)
{
fixed (NativeMethods.HDITEM* pItem = &item)
{
return XSend(hwnd, NativeMethods.HDM_GETITEMW, new IntPtr(index), new IntPtr(pItem), Marshal.SizeOf(item.GetType()));
}
}
else if (remoteBitness == ProcessorTypes.Processor32Bit)
{
HDITEM_32 item32 = new HDITEM_32(item);
bool result = XSend(hwnd, NativeMethods.HDM_GETITEMW, new IntPtr(index), new IntPtr(&item32), Marshal.SizeOf(item32.GetType()));
if (result)
{
item = (NativeMethods.HDITEM)item32;
}
return result;
}
else if (remoteBitness == ProcessorTypes.Processor64Bit)
{
HDITEM_64 item64 = new HDITEM_64(item);
bool result = XSend(hwnd, NativeMethods.HDM_GETITEMW, new IntPtr(index), new IntPtr(&item64), Marshal.SizeOf(item64.GetType()));
if (result)
{
item = (NativeMethods.HDITEM)item64;
}
return result;
}
return false;
}