Quick question: in this example code:
printf ("\nType in 1st address: ");
scanf ("%x", &address1);
address1 = (address1 - number1) * 2;
printf ("\nResult = %08X\n\n", address1);
How can I copy the contents of var address1 onto the clipboard?
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4It depends on what platform you're running on. – Oliver Charlesworth Sep 03 '14 at 19:54
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3What clipboard? (The C programming language has no clipboard.) – stakx - no longer contributing Sep 03 '14 at 19:54
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What kind of data does `address1` point at? What kind of data do you want to put on the clipboard? – Remy Lebeau Sep 03 '14 at 19:55
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I am using windows 7, `address1` should hold 4-byte hexadecimal number. – alexstx Sep 03 '14 at 19:59
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This Stack Overflow answer should help since it is Windows platform: http://stackoverflow.com/questions/1264137/how-to-copy-string-to-clipboard-in-c – Michael Petch Sep 03 '14 at 20:12
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I saw that post, but i don't know how to adapt it to my specific case. An example would be nice. – alexstx Sep 03 '14 at 20:14
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You don't know how to convert your value to a string? Use sprintf. – Retired Ninja Sep 03 '14 at 20:16
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@stakx: I am assuming he is referring to an operating system clipboard. What you Ctrl+c and Ctrl+v to. I found through my msdn access an article mentioning a _CLIPTEXT OS variable that can handle text. But it seems to only be accessible through FoxPro and later .Net. I'm definitely going to look into this some more. – JoeManiaci Sep 03 '14 at 20:22
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Yes, that clipboard. – alexstx Sep 03 '14 at 20:25
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I figured it out. Thanks everybody. – alexstx Sep 03 '14 at 20:52
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1If you post your solution as an answer, it may be helpful to future readers. – luser droog Sep 04 '14 at 04:38
1 Answers
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For the future readers, I decided to show an example how to do this - in Windows.
First format the data by using sprintf (http://www.tutorialspoint.com/c_standard_library/c_function_sprintf.htm) if it's not already in correct format(const char*).
Then use the following Windows API to set the clipboard data.
- OpenClipBoard
- EmptyClipboard
- SetClipboardData
- CloseClipboard
- GetClipboardData
Here is a very basic example usage of those API's without any return/error value checking.
const char *Str = "Hello world";
const size_t strLen = lstrlenA(Str) + 1;
HGLOBAL hGlobal = GlobalAlloc(GMEM_MOVEABLE, strLen); //Memory must be moveable!
memcpy(GlobalLock(hGlobal), Str, strLen);
GlobalUnlock(hGlobal);
OpenClipboard(NULL);
EmptyClipboard();
SetClipboardData(CF_TEXT, hGlobal);
CloseClipboard();
Okkaaj
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