Add cross links for silent methods in the docs.

docs/remote_execution.txt

@@ -61,17 +61,25 @@ For some applications it's possible to run GUI automation on a locked
 machine, but it requires using special methods. First it's worth listing 
 methods that don't work on a locked machine:
 
-  * ``click_input`` and all other mouse click and press methods ending with ``_input``.
-  * ``set_focus`` as it uses ``SetCursorPos``.
-  * ``type_keys`` for native keyboard input.
-  * Direct usage of modules ``mouse`` and ``keyboard``.
+  * `click_input`_ and all other mouse click and press methods ending with ``_input``.
+  * `set_focus`_ as it uses ``SetCursorPos`` and ``SetForegroundWindow``.
+  * `type_keys`_ for native keyboard input.
+  * Direct usage of modules `mouse`_ and `keyboard`_.
+
+.. _`click_input`: code/pywinauto.base_wrapper.html#pywinauto.base_wrapper.BaseWrapper.click_input
+.. _`set_focus`: code/pywinauto.controls.hwndwrapper.html#pywinauto.controls.hwndwrapper.HwndWrapper.set_focus
+.. _`type_keys`: code/pywinauto.base_wrapper.html#pywinauto.base_wrapper.BaseWrapper.type_keys
+.. _`mouse`: code/pywinauto.mouse.html
+.. _`keyboard`: code/pywinauto.keyboard.html
 
 Some other methods may not work also, but it depends on application. 
 There are few methods for silent text input in ``backend="win32"``:
 
-  * ``send_chars`` TODO: add link to the docs of these methods
-  * ``send_keystrokes``
+  * `send_chars`_ (special key combinations do not work)
+  * `send_keystrokes`_ (some special key combinations may work)
 
+.. _`send_chars`: code/pywinauto.controls.hwndwrapper.html#pywinauto.controls.hwndwrapper.HwndWrapper.send_chars
+.. _`send_keystrokes`: code/pywinauto.controls.hwndwrapper.html#pywinauto.controls.hwndwrapper.HwndWrapper.send_keystrokes
 
 Start remote script using agent based CI
 ----------------------------------------
@@ -102,10 +110,10 @@ First option is PsExec. Thanks to `this post on StackExchange`_.
 
  1. Download `PsTools`_.
  2. Get process ID of RDP session using ``tasklist`` command. PowerShell script:
- ::
-
-    $session = tasklist /fo CSV | findstr RDP ; $session = $session.Split(",")[3] ; $session.Split('"')[1]
-
+  ::
+ 
+     $session = tasklist /fo CSV | findstr RDP ; $session = $session.Split(",")[3] ; $session.Split('"')[1]
+ 
  3. Start process: ``PsExec.exe -s -i 123 python my_script.py``.
 
 .. _`this post on StackExchange`: https://serverfault.com/a/852877/368634

pywinauto/controls/hwndwrapper.py

@@ -530,13 +530,17 @@ def send_keystrokes(self,
         """
         Silently send keystrokes to the control in an inactive window
 
-        Parses modifiers Shift(+), Control(^), Menu(%) and Sequences like "{TAB}", "{ENTER}"
-        For more information about Sequences and Modifiers navigate to keyboard.py
+        It parses modifiers Shift(+), Control(^), Menu(%) and Sequences like "{TAB}", "{ENTER}"
+        For more information about Sequences and Modifiers navigate to module `keyboard`_
+
+        .. _`keyboard`: code/pywinauto.keyboard.html
 
         Due to the fact that each application handles input differently and this method
         is meant to be used on inactive windows, it may work only partially depending
         on the target app. If the window being inactive is not essential, use the robust
-        type_keys method.
+        `type_keys`_ method.
+
+        .. _`type_keys`: code/pywinauto.base_wrapper.html#pywinauto.base_wrapper.BaseWrapper.type_keys
         """
         user32 = ctypes.windll.User32
         PBYTE256 = ctypes.c_ubyte * 256