To send special characters, you just use the list available in the Windows API SendKeys.Send function:

http://msdn.microsoft.com/en-us/library/system.windows.forms.sendkeys.send(v=vs.110).aspx

To specify characters that aren't displayed when you press a key, such as ENTER or TAB, and keys that represent actions rather than characters, use the codes in the following table.

Key

Code

BACKSPACE

{BACKSPACE}, {BS}, or {BKSP}

BREAK

{BREAK}

CAPS LOCK

{CAPSLOCK}

DEL or DELETE

{DELETE} or {DEL}

DOWN ARROW

{DOWN}

END

{END}

ENTER

{ENTER}or ~

ESC

{ESC}

HELP

{HELP}

HOME

{HOME}

INS or INSERT

{INSERT} or {INS}

LEFT ARROW

{LEFT}

NUM LOCK

{NUMLOCK}

PAGE DOWN

{PGDN}

PAGE UP

{PGUP}

PRINT SCREEN

{PRTSC} (reserved for future use)

RIGHT ARROW

{RIGHT}

SCROLL LOCK

{SCROLLLOCK}

TAB

{TAB}

UP ARROW

{UP}

F1

{F1}

F2

{F2}

F3

{F3}

F4

{F4}

F5

{F5}

F6

{F6}

F7

{F7}

F8

{F8}

F9

{F9}

F10

{F10}

F11

{F11}

F12

{F12}

F13

{F13}

F14

{F14}

F15

{F15}

F16

{F16}

Keypad add

{ADD}

Keypad subtract

{SUBTRACT}

Keypad multiply

{MULTIPLY}

Keypad divide

{DIVIDE}

 

For example, to send the ENTER keypress, just use:

Global.DoSendKeys('{ENTER}');

 

To specify keys combined with any combination of the SHIFT, CTRL, and ALT keys, precede the key code with one or more of the following codes.

Key

Code

SHIFT

+

CTRL

^

ALT

%

 

To specify that any combination of SHIFT, CTRL, and ALT should be held down while several other keys are pressed, enclose the code for those keys in parentheses. For example, to specify to hold down SHIFT while E and C are pressed, use "+(EC)". To specify to hold down SHIFT while E is pressed, followed by C without SHIFT, use "+EC".

When using CTRL make sure you are specifying lowercase letters, otherwise SHIFT will be also used. For example ^e presses CTRL+E, but ^E presses CTRL+SHIFT+E because capital E requires SHIFT to type.

To specify repeating keys, use the form {key number}. You must put a space between key and number. For example, {LEFT 42} means press the LEFT ARROW key 42 times; {h 10} means press H 10 times.