C # training ground (4) Create System hotkeys and enter information in the activity window

This article reprinted http://blog.csdn.net/imbiz/article/details/5648682

Exercise Using API.

Implement the following functions:

1. Set the hotkey

2. Check the current activity window

3. Send messages to the activity window

4. Cancel the registration hotkey

 

 

[C-sharp] View plaincopy

2. UsingSystem;
4. UsingSystem. Collections. Generic;
6. UsingSystem. componentmodel;
8. UsingSystem. Data;
10. UsingSystem. drawing;
12. UsingSystem. LINQ;
14. UsingSystem. text;
16. UsingSystem. Windows. forms;
18. UsingSystem. runtime. interopservices;
20. UsingSystem. diagnostics;
26. NamespaceWindowsformsapplication1
28. {
30. PublicPartialClassForm1: Form
32. {
36. [System. runtime. interopservices. dllimport ("User32.dll")]
38. Public Static Extern BoolRegisterhotkey (
40. Intptr hwnd,// Handle to window
42. IntID,// Hot Key Identifier
44. UintFsmodifiers,// Key-modifier options
46. Keys VK// Virtual-key code
48. );
52. [System. runtime. interopservices. dllimport ("User32.dll")]// Declare the API Function
54. Public Static Extern BoolUnregisterhotkey (
56. Intptr hwnd,// Handle to window
58. IntID// Hot Key Identifier
60. );
66. [Dllimport ("User32.dll", Charset = charset. Auto, exactspelling =True)]
68. Public Static ExternIntptr getforegroundwindow ();
74. Public EnumKeymodifiers
76. {
78. None = 0,
80. Alt = 1,
82. Control = 2,
84. Shift = 4,
86. Windows = 8
88. }
94. PublicForm1 ()
96. {
98. Initializecomponent ();
100. Registerhotkey (handle, 150, 4, keys. );// Hotkey 1: Shift +
102. Registerhotkey (handle, 151, 2 | 4, keys. m );// Hotkey 1: Ctrl + Shift + m
104. // Registerhotkey (handle, 152, 1 | 2, keys. Up); // key 1: CTRL + ALT + cursor arrow
106. // Registerhotkey (handle, 153, 8, keys. p); // hotkey 1: Win + P
110. }
112. Protected Override VoidWndproc (RefMessage m)// Monitor Windows messages
114. {
116. Const IntWm_hotkey = 0x0312;// If M. MSG is 0x0312, the user presses the hot key.
118. Switch(M. msg)
120. {
122. CaseWm_hotkey:
124. Processhotkey (m );// Call the processhotkey () function when you press the hot key.
126. Break;
128. }
132. Base. Wndproc (RefM );// Pass the system message from the wndproc of the parent class
134. }
138. Private VoidProcesshotkey (message m)
140. {
142. Intptr id = M. wparam;// Intptr indicates the platform-specific type of pointer or handle
144. // MessageBox. Show (Id. tostring ());
146. StringSID = ID. tostring ();
148. Switch(SID)
150. {
152. Case "150": Opennewtxt ();Break;// Hotkey 1: Ctrl +
154. Case "151": Sendmsg ();Break;// Hotkey 1: Ctrl + Shift + m
156. Case "152":// Hotkey 1: CTRL + ALT + cursor up arrow
158. This. Visible =True;
160. Break;
162. Case "153":// Hotkey 1: Win + P
164. This. Visible =False;
166. Break;
168. }
170. }
174. Private VoidOpennewtxt ()
176. {
178. Process mytxt =NewProcess ();
180. Mytxt. startinfo. filename = @"Notepad.exe";
182. Mytxt. startinfo. Arguments = @"D: // newtxt.txt";
184. Mytxt. Start ();
186. Mytxt. waitforinputidle (1000 );
188. Sendkeys. sendwait ("Hello! ");
196. }
198. Private VoidSendmsg ()
200. {
202. // String proname = "";
204. Process mypro =Null;
206. Foreach(Process thisprocInProcess. getprocesses ())
208. {
210. If(Thisproc. main1_whandle. toint32 () = getforegroundwindow (). toint32 ())
212. {
214. // Proname = thisproc. processname;
216. Mypro = thisproc;
218. Break;
220. }
222. }
224. Try
226. {
228. // Two methods
230. // String msginfo = @ "{enter}/SUM _ {} I = 0 {}}{^}{{}/infty {}{ enter }";
232. Sendkeys. Send (@"{Enter}/begin {} split {}}{ enter} & = {enter}/end {} split {}}{ enter }");
234. // Sendkeys. Send (msginfo );
236. // Sendkeys. Send (@ "/begin {{} split {}}");
238. // Sendkeys. Send ("{enter }");
240. // Sendkeys. Send (@"{(}{)}");
242. // Sendkeys. Send ("{enter }");
244. // Sendkeys. Send (@ "/sum_0 {^} {{}/infinite {}}");
246. // Sendkeys. Send ("{enter }");
248. // Sendkeys. Send (@ "/end {{} split {}} haha ");
250. // Sendkeys. Send ("{enter }");
252. // Use clipboard for testing
254. StringMsginfo2 = @"/Begin {split }"+"/R/N"+ @"& ="+"/R/N"+ @"/End {split }";
256. Clipboard. setdataobject (msginfo2 );
258. // Sendkeys. Send ("^ V ");
262. }
264. Catch(System. nullreferenceexception E)
266. {
268. // MessageBox. Show (E. Message );
270. }
272. }
276. Private VoidForm1_formclosing (ObjectSender, formclosingeventargs E)
278. {
280. Unregisterhotkey (handle, 150 );// Uninstall 1st shortcut keys
282. Unregisterhotkey (handle, 151 );// Upload 2nd shortcut keys
284. Unregisterhotkey (handle, 152 );// Uninstall 3rd shortcut keys
286. Unregisterhotkey (handle, 153 );// Upload 4th shortcut keys
292. }
312. }
316. }

 

Running result:

In the word editing window, press Ctrl + Shift + m to enter the following text at the current cursor:

/Begin {/split}

& =

& =

/End {/split}