Call the keybd_event function of the User32.dll library in C # to manipulate the keyboard

The function prototypes for keybd_event() are:

void Keybd_event (

Byte bvk, //Virtual key code

Byte bscan, //Hardware scan code for the key

DWORD DwFlags //A flag bit set for various aspects of the function operation

DWORD dwExtraInfo //Additional 32-bit value associated with a keystroke

);

There are three types of values for the third parameter:

· 0: Press the

· 1: Extension key

· 2: Pop Up

Keybd_event (0x41, 0x1e, 0x0000, 0);   Press Akeybd_event (0x41, 0x1e, 0x0002, 0);   Bounce Up Akeybd_event (0x42, 0x30, 0x0000, 0);   Press Bkeybd_event (0x42, 0x30, 0x0002, 0);   Bounce Up Bkeybd_event (0x43, 0x2e, 0x0000, 0);   Press Ckeybd_event (0x43, 0x2e, 0x0002, 0);   Bounce Up Ckeybd_event (0x43, 0x2e, 0x0000, 0);   Press Ckeybd_event (0x43, 0x2e, 0x0002, 0);   Pop up C

　　

Call the keybd_event function of the User32.dll library in C # to manipulate the keyboard