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Defining of global constant (C script language)

Created by: mara at: 8/3/2006 4:51 PM (5 Replies)

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8/3/2006 4:51 PM	Rate (0)
mara Posts: 62 Rating: (2)	Hi! How to define global constant which compiler can see. That global constant I will use in another OnClick action of some graphic element. I tried search forum but I didnt find any useful information. Thank you!
mara Posts: 62 Rating: (2)
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8/3/2006 4:56 PM	Rate (0)
Nemo Posts: 3149 Rating: (171)	check this http://support.automation.siemens.com/WW/view/en/22279366 and search the WinCC online help for: define global variable [:D] nemo
Nemo Posts: 3149 Rating: (171)
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8/3/2006 5:10 PM	Rate (0)
Salma Gold Member Joined: 9/27/2005 Last visit: 11/27/2007 Posts: 1398 Rating: (151)	Simply you create a project function in the Global Script Editorand define the variable above the project function [:D] e.g. int my_global_var; void global_var_dummy_function() { }
	Last edited by: salma at: 8/3/2006 5:11 PM You then reference the global variable in a script using the extern command. e.g. extern int my_global_var; printf("my_global_var is %d \r\n", my_global_var);
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8/4/2006 8:43 AM	Rate (0)
mara Posts: 62 Rating: (2)	Thank You!
mara Posts: 62 Rating: (2)
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8/10/2006 12:31 PM	Rate (1)
Raheel Bronze Member Joined: 8/10/2006 Last visit: 1/16/2025 Posts: 156 Rating: (3)	Create a Header file in theLibrary folder of your WinCC project. Define yourglobal object name in it. Now call this header file from "APDEFAP.H", which is also placed in the library folder. Regenrate header and it shud work! Raheel

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8/10/2006 1:46 PM	Rate (0)
mara Posts: 62 Rating: (2)	Thank You! mara
mara Posts: 62 Rating: (2)
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