C# Discussion Boards - CodeProject

alvin@datell24-Sep-04 2:34

24-Sep-04 2:34

Hello,

I Hope someone can help me with my problem.

I Do the following:
- Create application
- Put combobox on main-form
- Add values in combo-box collections

When I run the application the items in de combobox are not visible. When I click on an invisible item, the value appears in the combobox, so the items are present.

When I copy the application to any other pc and run it, it all works fine, there is no problem.

When I build the application on the other pc and run it on mine, it all works fine too.

My colors are correct (background and textcolor are definitly not the same color).

Help!!!

Re: invisible items in combobox and listbox

sreejith ss nair24-Sep-04 3:47

sreejith ss nair

24-Sep-04 3:47

hi,

Check the forcolor of your combobox and make sure that the color is not Transparent. Smile | :)

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S r e e j i t h N a i r
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Re: invisible items in combobox and listbox

alvin@datell24-Sep-04 3:50

alvin@datell

24-Sep-04 3:50

Thanks for your answer.

I checked de forecolor. Its value is WindowText (In my case black)

Re: invisible items in combobox and listbox

sreejith ss nair24-Sep-04 3:57

sreejith ss nair

24-Sep-04 3:57

hi,
Did you installed any theams on your machine. Smile | :)

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S r e e j i t h N a i r
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Re: invisible items in combobox and listbox

alvin@datell24-Sep-04 4:05

alvin@datell

24-Sep-04 4:05

Re: invisible items in combobox and listbox

sreejith ss nair24-Sep-04 4:07

sreejith ss nair

24-Sep-04 4:07

hi,
I am really sorry. Cry | :((

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S r e e j i t h N a i r
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Re: invisible items in combobox and listbox

Filipe Peixinho11-Nov-04 10:19

Filipe Peixinho

11-Nov-04 10:19

I had the same problem and was caused by McAfee VirusScan Enterprise 8.0i's Buffer overflow protection.

I tried to disable it and my comboboxes start working well again.

If someone has the same problem read the document in
this location

Word_Counter

sardonicus24-Sep-04 2:06

sardonicus

24-Sep-04 2:06

simply, i want to make a c# program that counts words in a sentence entered by the user. i know a method to count no. of characters in a certain sentence, but what about words, what's the idea ?! i'd appreciate it if anyone could help here.

Re: Word_Counter

Moon Boy24-Sep-04 2:17

Moon Boy

24-Sep-04 2:17

<br />
string[] words = sentence.Split(' ');<br />
int count = words.Length;<br />

Re: Word_Counter

sardonicus24-Sep-04 2:49

sardonicus

24-Sep-04 2:49

thnx a lot man. but am sorry i got another question, this two lines of code counts the number of words only in case they got only one space character between each two words, what about if i got a sentence like this
"hello world" with 5 space characters for example and not "hello world" with one space character.
the program won't count the first sentence as two words i think.

Re: Word_Counter

exhaulted24-Sep-04 3:29

exhaulted

24-Sep-04 3:29

Check for the length of each instance in the array If it has 1 character or more it is a word.
Try something like the following

string[] words = sentence.Split(' ');<br />
count = 0;<br />
<br />
for (int x = 0; x < words.Length; x++)<br />
{<br />
if (words[x].Length > 0)<br />
count++;<br />
}

Kev

Re: Word_Counter

sardonicus24-Sep-04 4:05

sardonicus

24-Sep-04 4:05

thx a lot guys

Re: Word_Counter

Brian Delahunty24-Sep-04 3:30

Brian Delahunty

24-Sep-04 3:30

int count = Regex.Replace("Hello          World", @"\s+", " ").Trim(' ').Split(' ').Length;

That should work fine.. You can also have spaces at the front and the end of the string and it will still work.

e.g.

string testString = "       This    is     my Dog ";
int count = Regex.Replace(testString, @"\s+", " ").Trim(' ').Split(' ').Length;

Regards,
Brian Dela Smile | :)

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http://www.briandela.com/rss/newsrss.xml RSS Feed

Minesweeper

Moon Boy24-Sep-04 2:03

Moon Boy

24-Sep-04 2:03

Well, i made a Minesweeper.
The Cells, are a class inherit from Label.
To display the images, i set the BackgroundImage.

But on the Expert mode ( 50x50 ) the game is extremely heavy and laggy Frown | :(

What can i do? Draw with DX? oO
Using components, doesnt work, its very heavy :\

Thanks.

Re: Minesweeper

Heath Stewart24-Sep-04 5:48

Heath Stewart

24-Sep-04 5:48

I've already answered your previous question: do not use controls (as you said, they're too heavy), but manage the drawing surface yourself. See my previous reply for more details.

This posting is provided "AS IS" with no warranties, and confers no rights.

Software Design Engineer
Developer Division Sustained Engineering
Microsoft

[My Articles]

Re: Minesweeper

Robert Rohde25-Sep-04 1:59

Robert Rohde

25-Sep-04 1:59

Override the OnPaint method of your main control and use gdi to draw your playing field.

Title size

Ajmoda24-Sep-04 1:20

Ajmoda

24-Sep-04 1:20

hello everybody

please help me in a problem. i want to increase the size of the title of my application is it possible if yes then please help me how?

thanx

Re: Title size

Heath Stewart24-Sep-04 6:11

Heath Stewart

24-Sep-04 6:11

You can either do this through the Display control panel (under the Appearance tab) for all Windows applications, or you'll have to go through the tedious work (experience with Win32 programming is definitely helpful) of handling WM_NCPAINT to paint the Window non-client area (the Window frame) yourself. It's not easy.

You should really consider why you need this, though. There is a user interface guideline for Windows applications to present a common look and feel for a reason: usability. If all your application looked different, users would have problems using them. That's why user interface guidelines exist. Violating this without just cause would just lead to many problems.

This posting is provided "AS IS" with no warranties, and confers no rights.

Software Design Engineer
Developer Division Sustained Engineering
Microsoft

[My Articles]

Re: Title size

Ajmoda26-Sep-04 23:33

Ajmoda

26-Sep-04 23:33

yes i want to change my GUI custom as i like. i dont want to change for my whole system but only for my application as well as i dont want to Paint over menus. because if i use NC_PAINT to increase my title bar it will paint over the menus.
i want a solution that just increase my title bar's size
thanx

Re: Title size

Heath Stewart27-Sep-04 6:44

Heath Stewart

27-Sep-04 6:44

Sorry, but those are really your only two choices. If you want to customize the frame then you're responsible for drawing the frame in its entirety. Only when you draw ontop the frame can you get away with not drawing the whole non-client area.

You don't, however, have to draw every ornament. Just be sure to pass the notification message (WM_NCPAINT) back - modified or not - to the default window procedure (call base.WndProc inside your override). To chance the size of a frame is a major change, though.

This posting is provided "AS IS" with no warranties, and confers no rights.

Software Design Engineer
Developer Division Sustained Engineering
Microsoft

[My Articles]

programming MS Outlook com object

ppp00124-Sep-04 0:45

ppp001

24-Sep-04 0:45

Hi all,

I have two questions on programming MS Outlook where I want
to get and send email from the MS Outlook.

1. What are the differences between programming the Outlook Com object by
C# and by programming the MAPI ?

2. Are there any difference in programming the MS Outlook and Outlook Express?

Thanks
Patrick

Re: programming MS Outlook com object

Heath Stewart24-Sep-04 6:34

Heath Stewart

24-Sep-04 6:34

1. The Outlook OM is specific to Outlook. MAPI is the Mail Application Programming Interface and is implemented by MAPI clients that may or may not contain all the functionality of Outlook (like Calendar, Tasks, etc.), since it is, after all, the Mail API.

2. It's an entirely different code base. OE only does mail while MS Outlook doesn't do newsgroups (NNTP). The object model is completely different, and OE really isn't that extensible. It's meant to be a lightweight mail client (currently supporting POP3, IMAP, and HTTPMail), while Outlook is more of a solution and can support POP3, IMAP, HTTPMail, Exchange, and provides for pluggable protocols. Besides both being mail clients and sharing a common name, they really have nothing in common.

For specifics, you should use OE or another NNTP client and search for relevent newsgroups on news://msnews.microsoft.com.

This posting is provided "AS IS" with no warranties, and confers no rights.

Software Design Engineer
Developer Division Sustained Engineering
Microsoft

[My Articles]

Re: programming MS Outlook com object

ppp00127-Sep-04 21:58

ppp001

27-Sep-04 21:58

Hi Heath,

Thx for ur reply.

I need to programming both on Outlook and outlook express.
For outlook, there is no problem. But for outlook express, it
seems that i need to use c++ to program the MAPI to get the email
in the folders of the outlook express. Is there any C# way to program
outlook express ?

Thanks
Patrick

Re: programming MS Outlook com object

Heath Stewart28-Sep-04 4:13

Heath Stewart

28-Sep-04 4:13

You should really use MAPI for both Outlook and OE. Why develop two different codebases to do the same thing when you don't have to? It also poses an installation and maintanence hastle.

The problem is, there's two types of MAPI. The first is the original and exposes an automation interface (which means it's scriptable). Because it's scriptable, it was used by email worms. So Microsoft developed Extended MAPI which has no automation interface and requires that you use native bindings a la C++.

With .NET and C# you can actually use both. You can use MAPI but Outlook will warn when trying to access folders. You might have seen this before. Starting with Outook XP, IIRC, it prompts to allow access for a set number of minutes (or only for the current call).

Using Extended MAPI requires that you P/Invoke native functions.

You can find articles about doing both here on CodeProject as well as MSDN[^]. Just do a search.

This posting is provided "AS IS" with no warranties, and confers no rights.

Software Design Engineer
Developer Division Sustained Engineering
Microsoft

[My Articles]

Integer to a String

Paul Swet24-Sep-04 0:23

Paul Swet

24-Sep-04 0:23

I would like to know how to convert from integer to a string, actually I would like to know how to implement the function 'itoa()'.

Please provide C code.

Thanks.

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