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# pcoip_key

Emulates a keystroke in a remote session .

## C Language

int pcoip_key( const char* key, long int key_modifier );

Example | Teradici PCoIP Protocol Functions

## Arguments

Name | Comments
--- | ---
key | A character key or the name of a special key. See below: Special Keys.
key_modifier | A key pressed together with the character or special key. Modifiers can be combined, for example, `MODIF_SHIFT|MODIF_CONTROL`. See below: Key Modifier Values

## General Information

pcoip_key emulates a keystroke in a remote session.

Note: To set a delay after a keystroke event, select and configure the PCoIP runtime setting, Delay after keystroke and mouse click.

Special Keys

Key | Key code
--- | ---
| LEFT_ARROW_KEY
| UP_ARROW_KEY
| RIGHT_ARROW_KEY
| DOWN_ARROW_KEY
+ | ADD_KEY
* | MULTIPLY_KEY
- | SUBTRACT_KEY
/ | DIVIDE_KEY
Alt | ALT_KEY
Backspace | BACKSPACE_KEY
Caps Lock | CAPS_LOCK_KEY
Ctrl | CTRL_KEY
Delete | DELETE_KEY
End | END_KEY
Enter | ENTER_KEY
Esc | ESC_KEY
F1 - F12 | F1_KEY - F12_KEY
Home | HOME_KEY
Insert | INSERT_KEY
Num Lock | NUM_LOCK_KEY
Page Down | PAGE_DOWN_KEY
Page Up | PAGE_UP_KEY
Pause | PAUSE_KEY
PrtScn | PRINT_SCREEN_KEY
ScrLk | SCROLL_LOCK_KEY
Shift | SHIFT_KEY
Tab | TAB_KEY

Key Modifier Values

Define value | Value | Description
--- | --- | ---
NO_MODIF | 0 | No modifier key
MODIF_SHIFT | 1 | The Shift key
MODIF_CONTROL | 2 | The Ctrl key
MODIF_ALT | 4 | The Alt key

## Return Values

E_OK |
E_ALREADY_CONNECTED | Do not call this function after the connection is established.
E_NOT_CONNECTED | Action cannot be performed. There is no connection to the remote server.
E_OUT_OF_TIME | Function timed out.
E_ILLEGAL_PARAMETER | Illegal parameter found.
E_INTERNAL | Internal error found.

## Parameterization

Standard parameterization is not available for this function.

## Example

These are examples of the use of pcoip_key.

    	pcoip_key("NUM_LOCK_KEY", 0);

    	pcoip_key("h", MODIF_SHIFT); // Capital H

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