I got a request from TDU today. He wanted to access to windows registry, but didn't know how to by programming using delphi.
So basically this code will show you how to associate/desassociate an extension with the icon of your application.
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If you wan to use it for other purposes this is basically always the same structure:
need to use the TRegistry of delphi.
Create your class. TRegistry.Create;
what is the root key of where you want to search in the registry: reg.RootKey := HKEY_CLASSES_ROOT;
now you may do what you want:
reg.KeyExists: Tests the existence of the key.
reg.OpenKey: Opens a key to access some values within.
reg.WriteString: Write the string you want to write.
there are others too... Names are pretty much straight foward...
RegCreateKey()
RegDeleteKey()
RegEnumKey()
RegQueryValue()
RegSetValue()
reg.CloseKey: At the end always close the key you just opened.
reg.Free; Free the class created.
This is a tutorial from Developers Heaven team.
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