private static IntPtr ConvertStringToNative(string pManagedHome, int dwFlags)
{
IntPtr pNativeHome;
// IsIn, IsOut are ignored for strings - they're always in-only
if (IsAnsi(dwFlags))
{
// marshal the object as Ansi string (UnmanagedType.LPStr)
pNativeHome = CSTRMarshaler.ConvertToNative(
dwFlags & 0xFFFF, // (throw on unmappable char << 8 | best fit)
pManagedHome, //
IntPtr.Zero); // unmanaged buffer will be allocated
}
else
{
// marshal the object as Unicode string (UnmanagedType.LPWStr)
int allocSize = (pManagedHome.Length + 1) * 2;
pNativeHome = Marshal.AllocCoTaskMem(allocSize);
unsafe
{
Buffer.Memmove(ref *(char *)pNativeHome, ref pManagedHome.GetRawStringData(), (nuint)pManagedHome.Length + 1);
}
}
return(pNativeHome);
}
private static IntPtr ConvertStringToNative(string pManagedHome, int dwFlags)
{
if (IsAnsi(dwFlags))
{
return(CSTRMarshaler.ConvertToNative(dwFlags & 0xffff, pManagedHome, IntPtr.Zero));
}
System.StubHelpers.StubHelpers.CheckStringLength(pManagedHome.Length);
int cb = (pManagedHome.Length + 1) * 2;
IntPtr dest = Marshal.AllocCoTaskMem(cb);
string.InternalCopy(pManagedHome, dest, cb);
return(dest);
}
private static IntPtr ConvertStringToNative(string pManagedHome, int dwFlags)
{
IntPtr intPtr;
if (AsAnyMarshaler.IsAnsi(dwFlags))
{
intPtr = CSTRMarshaler.ConvertToNative(dwFlags & 65535, pManagedHome, IntPtr.Zero);
}
else
{
StubHelpers.CheckStringLength(pManagedHome.Length);
int num = (pManagedHome.Length + 1) * 2;
intPtr = Marshal.AllocCoTaskMem(num);
string.InternalCopy(pManagedHome, intPtr, num);
}
return(intPtr);
}
private static IntPtr ConvertStringToNative(string pManagedHome, int dwFlags)
{
IntPtr dest;
if (AsAnyMarshaler.IsAnsi(dwFlags))
{
dest = CSTRMarshaler.ConvertToNative(dwFlags & (int)ushort.MaxValue, pManagedHome, IntPtr.Zero);
}
else
{
System.StubHelpers.StubHelpers.CheckStringLength(pManagedHome.Length);
int num = (pManagedHome.Length + 1) * 2;
dest = Marshal.AllocCoTaskMem(num);
string.InternalCopy(pManagedHome, dest, num);
}
return(dest);
}