按键编码的定义

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//*VK_0 - VK_9 are the same as ASCII '0' - '9' (0x30 - 0x39)//*0x40 : unassigned//*VK_A - VK_Z are the same as ASCII 'A' - 'Z' (0x41 - 0x5A)//定义数据字符0~9#define   VK_0         0x30 #define   VK_1         0x31 #define   VK_2         0x32 #define   VK_3         0x33 #define   VK_4         0x34 #define   VK_5         0x35 #define   VK_6         0x36 #define   VK_7         0x37 #define   VK_8         0x38 #define   VK_9         0x39//定义数据字符A~Z#define   VK_A0x41 #define   VK_B0x42 #define   VK_C0x43 #define   VK_D0x44 #define   VK_E0x45 #define   VK_F0x46 #define   VK_G0x47 #define   VK_H0x48 #define   VK_I0x49 #define   VK_J0x4A #define   VK_K0x4B #define   VK_L0x4C #define   VK_M0x4D #define   VK_N0x4E #define   VK_O0x4F #define   VK_P0x50 #define   VK_Q0x51 #define   VK_R0x52 #define   VK_S0x53 #define   VK_T0x54 #define   VK_U0x55 #define   VK_V0x56 #define   VK_W0x57 #define   VK_X0x58 #define   VK_Y0x59 #define   VK_Z0x5A //定义数据字符a~z#define   VK_a0x61 #define   VK_b0x62 #define   VK_c0x63 #define   VK_d0x64 #define   VK_e0x65 #define   VK_f0x66 #define   VK_g0x67 #define   VK_h0x68 #define   VK_i0x69 #define   VK_j0x6A #define   VK_k0x6B #define   VK_l0x6C #define   VK_m0x6D #define   VK_n0x6E #define   VK_o0x6F #define   VK_p0x70 #define   VK_q0x71 #define   VK_r0x72 #define   VK_s0x73 #define   VK_t0x74 #define   VK_u0x75 #define   VK_v0x76 #define   VK_w0x77 #define   VK_x0x78 #define   VK_y0x79 #define   VK_z0x7A