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05.06.2004 at 09:34PM PDT, ID: 20981129
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4.0

Simulating keypress with SendMessage

Asked by Sys_Prog in Windows Programming

Tags: , ,

Hi,

I am facing a problem simulating a keypress by a sendmessage

I wish to simulate pressing ALT+C to a particcular window

Actually the window has a hyperlink which has a shortcut as ALT+C

I have a handle to that window, and wish to send ALT+C to this window
Hence i tried sending the following messages

                     SendMessage ( handle, WM_SYSKEYDOWN, 18, 540540929) ;            
                  SendMessage ( handle, WM_SYSKEYDOWN, 67, 539885569) ;            
                  SendMessage ( handle, WM_SYSCHAR, 99, 539885569) ;            
                  SendMessage ( handle, WM_SYSKEYUP, 18, -1070071807 ) ;
                  SendMessage ( handle, WM_KEYUP, 67, -1070727167) ;                                          

but it does not work.................If I create a dummy window (using basic SDK programming) and process the keyboard messages writing them to a file, I am able to receieve all these message..........But the messages do not seem to work work on the actual window I want them to work on............ON clicking on the hyperlink OR pressing ALT+C, the window opens a new window

Any help would be greatly appreciated

I posted a similar question (but it was entitlled HOOks, hence posting it again)...

http://www.experts-exchange.com/Programming/Programming_Platforms/Win_Prog/Q_20979995.html

I shall award points for the both the questions to the answerer  

Amit



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Keywords: Simulating keypress with SendMessage
Title
1 SendMessage
2 SendMessage API in C# - Sending a …
3 SendMessage()
4 Keyboard Interface to Esc Key in the SDK
5 ::SendMessage
6 Win32 API use SendMessage to send…
 
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Zone: Windows Programming
Tags: sendmessage, keypress, simulate
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Solution Provided By: void_main
Participating Experts: 10
Solution Grade: A
 
 
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