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If you think of it in terms of binary:
PrescriptionOnly = 01
InstructionOnly = 10
Both = 11
And you want either PrescriptionOnly or Both:
01 or 11
So, of the four possible states the variable can be in, you want two:
None 00 X
PrescriptionOnly 01 Y
InstructionOnly 10 X
Both 11 Y
So all you have to do is:
if ((pp & PrescriptionTypePrint.PrescriptionOnly) != 0)
{
...
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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Use another binary operator
if( (pp & PrescriptionTypePrint.Both) != 0)
{
}This will binary-AND two integer operands. The result will equal zero if the oparands don't share a common bit set to '1'. Therefore 'pp' will not result in the expression to equal zero whenever any one of the bits of 'Both' are set in 'pp'.
Ciao,
luker
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Um...that'll also execute it for the InstructionOnly case, won't it?
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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Yep, it will.
Your questioning seems like that's not what you wanted. Looking again at what you wrote, I think that's what you need:
if( ( pp & PrescriptionOnly ) != 0 )
{
}
Ciao,
luker
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Um...you mean what the OP wanted?
That is what I had already suggested... 
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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Sorry, Griff. Yes, I meant the OP.
And Wow, your answer is exhaustive. I'll give it an up.
Ciao,
luker
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opsss, I miss the conversation, sorry i was out for a few days.
By the way THANK YOU SO MUCH for the suggestions, surely I will try it.
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A slightly different approach using Exclusive-Or:
[Flags]
enum testEnum
{
p1 = 1,
p2 = 2,
p3 = 3,
p4 = 4,
p5 = 5
}
private void TestExOr()
{
testEnum t1 = testEnum.p3;
testEnum t2 = testEnum.p5;
bool test1 = t1 == (testEnum.p1 ^ testEnum.p2);
bool test2 = t2 == (testEnum.p1 ^ testEnum.p4);
bool test3 = t2 == (testEnum.p0 ^ testEnum.p5);
bool test4 = t1 == (testEnum.p2 ^ testEnum.p3);
bool test5 = t2 == (testEnum.p2 ^ testEnum.p3);
bool test6 = t2 == (testEnum.p5 ^ testEnum.p4);
bool test7 = t2 == (testEnum.p5 ^ testEnum.p1);
bool test8 = t2 == (testEnum.p5 ^ testEnum.p5);}
«A man will be imprisoned in a room with a door that's unlocked and opens inwards ... as long as it does not occur to him to pull rather than push» Wittgenstein
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Thank you so much I will try it.
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hey guys 2 questions is there a way to make a login to read from file.txt?it is just a demo app..so no security for now.
or can i read a file.txt and fill collectionbase??
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techker2 wrote: make a login to read from file.txt
This makes no sense at all since you cannot make an actual "login" do anything. It's a process that authenticates user credentials, nothing else.
techker2 wrote: can i read a file.txt and fill collectionbase
Whatever this is...
You need to learn how to ask questions. For instance, start with CONTEXT. What is the environment you're talking about? What are the circumstances where you want to do this stuff? What kind of application are you talking about? ...? ...?
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sorry in C#
just need to have user input a nip to enter main form.(nip stored in file auth.txt
as for the load part i was thinking it would be easyer to search in a collection base the a file.so load file and insert info in collectionbase..
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techker2 wrote: input a nip
What is a "nip?"
techker2 wrote: search in a collection base
What is a "collection base?"
The difficult we do right away...
...the impossible takes slightly longer.
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nip= 4 didgit number
CollectionBase for information to be stored..
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Do you mean database, or are you talking about an in memory collection? And I think you mean PIN, not nip - PIN = Personal Identification Number.
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sorry french..
memory collection sounds like it..
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Don't be sorry about what your native language is. French is a beautiful language, and is one of the cornerstones of modern English. Rejoice in your native speech. Glory in it.
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thx.
im still stock on this...
i think i got it.
[code]
StreamWriter log;
if (!File.Exists("auth.txt"))
{
log = new StreamWriter("auth.txt");
}
else
{
log = File.AppendText("auth.txt");
}
log.WriteLine(DateTime.Now);
log.WriteLine(lines);
log.WriteLine();
textBox1Message.AppendText(lines);
log.Close();
[/code]
modified 7-Jan-15 6:29am.
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Please tell me this is for a school assignment?
Please tell me this is not a application that's going to be put into production?
You really couldn't pick a more insecure method of storing passwords (pin's) if you tried.
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lol ya..i need to make an ATM machine...lol
i got it going.thx
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I thought those requirements sounded familiar, but I had to check because there are those idiots who think this is a viable method of securing a production application in an enterprise environment. 
Kind of explains all the corporate credit card hacks, doesn't it...
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lol..
now im stock on a simple numeric keypad.
do i need to make it as a separate form?
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It's "stuck", not "stock".
You don't have to but it might be nice. I would probably do a numeric keypad as a custom control, but then again, I don't work on school projects any more.
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Ha!lol
ya looking it up.thx for the help
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As we don't know what format your file is, I'm going to have to make some assumptions here. The first assumption is that the file is organised with one pin per line. Assuming this is true, then you can use File.ReadAllLines to read the files into an array - from there, if I were you, I'd probably load these records into a HashSet for speed of record retrieval. Here, I have to assume that you know what a HashSet is, and how to work with it. Finally, write a simple method that accepts a PIN, and looks in this HashSet to see if the file PIN is present.
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