C# Signature:
[DllImport("user32.dll")]
static extern int ToUnicodeEx(uint wVirtKey, uint wScanCode, byte []
lpKeyState, [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pwszBuff,
int cchBuff, uint wFlags, IntPtr dwhkl);
User-Defined Types:
None.
Notes:
Convert a ASCI Character into Unicode Character with the Keyboard Layout
Tips & Tricks:
Please add some!
Sample Code:
[DllImport("user32.dll")]
static extern int ToUnicodeEx(uint wVirtKey, uint wScanCode, byte [] lpKeyState, [Out, MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pwszBuff, int cchBuff, uint wFlags, IntPtr dwhkl);
[DllImport("user32.dll")]
static extern bool GetKeyboardState(byte [] lpKeyState);
[DllImport("user32.dll")]
static extern uint MapVirtualKey(uint uCode, uint uMapType);
[DllImport("user32.dll")]
static extern IntPtr GetKeyboardLayout(uint idThread);
public static string VKCodeToUnicode(uint VKCode)
{
System.Text.StringBuilder sbString = new System.Text.StringBuilder();
byte[] bKeyState = new byte[256];
bool bKeyStateStatus = GetKeyboardState(bKeyState);
if (!bKeyStateStatus)
return "";
uint lScanCode = MapVirtualKey(VKCode,0);
IntPtr HKL = GetKeyboardLayout(0);
ToUnicodeEx(VKCode, lScanCode, bKeyState, sbString, (int)5, (uint)0, HKL);
return sbString.ToString();
}
Alternative Managed API:
Do you know one? Please contribute it!
