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[Visual c++] using IF

 
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merkark12
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PostPosted: Sun Jul 29, 2007 9:07 pm    Post subject: [Visual c++] using IF Reply with quote
well i just started vc++ express today and i made a simple program that will show your message that you typed in the text box. i also made it that if you dont type anything it'll show a message box. but whenever i run it no matter wat i type it makes the message box appear.
Code:
private: System::Void button2_Click(System::Object^  sender, System::EventArgs^  e) {
             label1->Text = textBox1->Text;
             if (textBox1->Text == (""));
             {
                MessageBox::Show("Enter something>.>");
             }


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appalsap
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PostPosted: Sun Jul 29, 2007 9:11 pm    Post subject: Reply with quote
use strcmp for text, not ==
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merkark12
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PostPosted: Sun Jul 29, 2007 9:19 pm    Post subject: Reply with quote
Code:
1>c:\users\mon\documents\visual studio 2005\projects\project2\project2\Form1.h(131) : error C2146: syntax error : missing ')' before identifier 'strcmp'
1>c:\users\mon\documents\visual studio 2005\projects\project2\project2\Form1.h(131) : error C2059: syntax error : ')'
1>c:\users\mon\documents\visual studio 2005\projects\project2\project2\Form1.h(131) : error C3861: 'strcmp': identifier not found

i get that error when i try it i tried putting the ) and it still didn't work
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appalsap
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PostPosted: Sun Jul 29, 2007 9:21 pm    Post subject: Reply with quote
you're using c++.NET not c++, that's why you can't make use of any useful functions, sorry.
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merkark12
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PostPosted: Sun Jul 29, 2007 9:54 pm    Post subject: Reply with quote
o ok thx. is there a regular visual c++?
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appalsap
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PostPosted: Sun Jul 29, 2007 9:56 pm    Post subject: Reply with quote
yes
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Robotex
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PostPosted: Sun Jul 29, 2007 10:00 pm    Post subject: Reply with quote
add <string.h> to stdafx
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merkark12
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PostPosted: Sun Jul 29, 2007 10:04 pm    Post subject: Reply with quote
can you show me where to find it? i tried microsoft.com and i googled it
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hcavolsdsadgadsg
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PostPosted: Sun Jul 29, 2007 10:05 pm    Post subject: Reply with quote
That's managed C++. You'll need to install the platform SDK to actually develop anything Win32.

PS MessageBox::Show(textBox1->Text);
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malfunction
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PostPosted: Mon Jul 30, 2007 2:11 am    Post subject: Reply with quote
if thats managed C++ i think theres 1 tut in the stickies...
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DeletedUser14087
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PostPosted: Mon Jul 30, 2007 4:13 am    Post subject: Reply with quote
appalsap wrote:
yes


I think he expeted a link too Laughing

@ Topic starter

Why do you type in yellow ?
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merkark12
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PostPosted: Mon Jul 30, 2007 9:14 am    Post subject: Reply with quote
idono i just think its bright enough for everyoen to see
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lurc
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PostPosted: Mon Jul 30, 2007 5:36 pm    Post subject: Reply with quote
Robotex wrote:
add <string.h> to stdafx


what he said

dont forget to add librarys that u need... choose the code definition window and then click the syntax. it should come up with up library u need.
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