1 more thing i need help with lol

ID3DXLine *pLine;
#define PI 3.14159265
int iCenterX = GetSystemMetrics( 0 ) / 2;
int iCenterY = GetSystemMetrics( 1 ) / 2;

void DrawCircle(int X, int Y, int radius, int numSides, DWORD Color)
{
    D3DXVECTOR2 Line[128];
    float Step = PI * 2.0 / numSides;
    int Count = 0;
    for (float a=0; a < PI*2.0; a += Step)
    {
        float X1 = radius * cos(a) + X;
        float Y1 = radius * sin(a) + Y;
        float X2 = radius * cos(a+Step) + X;
        float Y2 = radius * sin(a+Step) + Y;
        Line[Count].x = X1;
        Line[Count].y = Y1;
        Line[Count+1].x = X2;
        Line[Count+1].y = Y2;
        Count += 2;
    }
    pLine->Begin();
    pLine->Draw(Line,Count,Color);
    pLine->End();
}

if( CH_xhair ==4 ){
        DrawCircle(iCenterX,iCenterY,10,50,D3DCOLOR_ARGB( 255, 255 , 0 ,0));
        D3DCOLOR xcolor = D3DCOLOR_ARGB( 255, 255, 0, 0 );
                             
        int size = 15, strong = 1;
        int iCenterX = GetSystemMetrics( 0 ) / 2;
        int iCenterY = GetSystemMetrics( 1 ) / 2;
        if( iCenterX < 20 && iCenterY < 20 )
        {
            iCenterX = ( GetSystemMetrics( 0 ) / 2 );
            iCenterY = ( GetSystemMetrics( 1 ) / 2 );
        }
        D3DRECT rec2 = { iCenterX- size, iCenterY, iCenterX+ size, iCenterY+ strong};
        D3DRECT rec3 = { iCenterX, iCenterY- size, iCenterX+ strong,iCenterY+ size};
        pDevice->Clear(1, &rec2, D3DCLEAR_TARGET, xcolor, 0,  0);
        pDevice->Clear(1, &rec3, D3DCLEAR_TARGET, xcolor, 0,  0);
    }