public static unsafe void StringToHStringReference(
char *pchPinnedSourceString,
string sourceString,
HSTRING_HEADER *pHeader,
HSTRING *phString)
{
throw new PlatformNotSupportedException("StringToHStringReference");
}
public static unsafe void StringToHStringReference(
char *pchPinnedSourceString,
string sourceString,
HSTRING_HEADER *pHeader,
HSTRING *phString)
{
if (sourceString == null)
{
throw new ArgumentNullException(nameof(sourceString), SR.Null_HString);
}
int hr = ExternalInterop.WindowsCreateStringReference(
pchPinnedSourceString,
(uint)sourceString.Length,
pHeader,
(void **)phString);
if (hr < 0)
{
throw Marshal.GetExceptionForHR(hr);
}
}
internal unsafe static IntPtr ConvertToNativeReference(string managed, [Out] HSTRING_HEADER *hstringHeader)
{
if (!Environment.IsWinRTSupported)
{
throw new PlatformNotSupportedException(Environment.GetResourceString("PlatformNotSupported_WinRT"));
}
if (managed == null)
{
throw new ArgumentNullException();
}
char *ptr = managed;
if (ptr != null)
{
ptr += RuntimeHelpers.OffsetToStringData / 2;
}
IntPtr result;
int errorCode = UnsafeNativeMethods.WindowsCreateStringReference(ptr, managed.Length, hstringHeader, &result);
Marshal.ThrowExceptionForHR(errorCode, new IntPtr(-1));
return(result);
}
internal static unsafe IntPtr ConvertToNativeReference(string managed, [Out] HSTRING_HEADER *hstringHeader)
{
if (!Environment.IsWinRTSupported)
{
throw new PlatformNotSupportedException(Environment.GetResourceString("PlatformNotSupported_WinRT"));
}
if (managed == null)
{
throw new ArgumentNullException();
}
string str = managed;
char * sourceString = (char *)str;
if ((IntPtr)sourceString != IntPtr.Zero)
{
sourceString += RuntimeHelpers.OffsetToStringData;
}
IntPtr num;
Marshal.ThrowExceptionForHR(UnsafeNativeMethods.WindowsCreateStringReference(sourceString, managed.Length, hstringHeader, &num), new IntPtr(-1));
return(num);
}
internal static unsafe extern int WindowsCreateStringReference(char *sourceString,
int length,
[Out] HSTRING_HEADER *hstringHeader,
[Out] IntPtr *hstring);
internal static extern unsafe int WindowsCreateStringReference(char *sourceString,
uint length,
HSTRING_HEADER *phstringHeader,
void *hstring);
public static extern HRESULT WindowsCreateStringReference([NativeTypeName("PCWSTR")] ushort *sourceString, [NativeTypeName("UINT32")] uint length, HSTRING_HEADER *hstringHeader, HSTRING * @string);
public static extern int WindowsCreateStringReference([NativeTypeName("PCWSTR")] ushort *sourceString, [NativeTypeName("UINT32")] uint length, [NativeTypeName("HSTRING_HEADER *")] HSTRING_HEADER *hstringHeader, [NativeTypeName("HSTRING *")] IntPtr * @string);
