C# Signature:
[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
static extern int LCMapStringEx(
string lpLocaleName, // LPCWSTR lpLocaleName
uint dwMapFlags, // DWORD dwMapFlags
string lpSrcStr, // LPCWSTR lpSrcStr
int cchSrc, // int cchSrc
[Out]
IntPtr lpDestStr, // LPWSTR lpDestStr
int cchDest, // int cchDest
IntPtr lpVersionInformation, // LPNLSVERSIONINFO lpVersionInformation
IntPtr lpReserved, // LPVOID lpReserved
IntPtr sortHandle); // LPARAM sortHandle
VB Signature:
Declare Function LCMapStringEx Lib "kernel32.dll" (TODO) As TODO
User-Defined Types:
None.
Alternative Managed API:
Do you know one? Please contribute it!
Notes:
if designed to run only on Windows Vista and later.
lpVersionInformation must be null.
lpReserved must be null.
sortHandle must be zero.
Tips & Tricks:
Please add some!
Sample Code:
public static string ToLower(string src)
{
string nResult = src;
int nLen, nSize;
uint dwMapFlags = LCMAP_LOWERCASE;
IntPtr ptr, pZero = IntPtr.Zero;
nLen = src.Length;
nSize = LCMapStringEx(LOCALE_NAME_SYSTEM_DEFAULT, dwMapFlags, src, nLen, IntPtr.Zero, 0, pZero, pZero, pZero);
if (nSize > 0)
{
nSize = nSize * sizeof(char);
ptr = Marshal.AllocHGlobal(nSize);
try
{
nSize = LCMapStringEx(LOCALE_NAME_SYSTEM_DEFAULT, dwMapFlags, src, nLen, ptr, nSize, pZero, pZero, pZero);
if (nSize > 0) nResult = Marshal.PtrToStringUni(ptr, nSize);
}
finally
{
Marshal.FreeHGlobal(ptr);
}
}
return nResult;
}
