|
Pedram Behroozi wrote: // No necessary to dispose Eye
You mean it's not derived from EyeDisposable? 
Mark Salsbery
Microsoft MVP - Visual C++
![Java | [Coffee]](https://codeproject.freetls.fastly.net/script/Forums/Images/coffee.gif)
|
|
|
|
|
Just kidding 
There's a DLL[^] but why don't you want to use WMI?
While (true) { Human.isLearnable = true; }
|
|
|
|
|
I want to bang in a nail but I dont want to use a hammer, the end of a pair of pliers or even the sole of my shoe. Can anyone help me?
|
|
|
|
|
I always favour a rock as a good alternative
Bob
Ashfield Consultants Ltd
|
|
|
|
|
So the analogy is bust that case open to check the Serial number?
|
|
|
|
|
Did you know the volume serial number changes every time you reformat the drive?
"Why don't you tie a kerosene-soaked rag around your ankles so the ants won't climb up and eat your candy ass..." - Dale Earnhardt, 1997
-----
"...the staggering layers of obscenity in your statement make it a work of art on so many levels." - Jason Jystad, 10/26/2001
|
|
|
|
|
Hello, everyone.
A little help needed )
Is there any posibility to use different font style for different items in checkedlistbox?
For example, if I want to strike item if it's checked?
Can't find how to do that with standart checkedlistbox (
Thanks,
|
|
|
|
|
I think you'll need to handle the drawing yourself to do that.
You can get the same effect by using a ListView with the View set to List and CheckBoxes to true, then set the Font of any ListViewItems that you need to have different.
[edit] Just had a look, and the CheckedListBox doesn't support DrawItem so it's going to be a little more difficult if you don't want to use a ListView. You'd have to derive your own class from CheckedListBox and override OnDrawItem there.[/edit]
DaveBTW, in software, hope and pray is not a viable strategy. (Luc Pattyn)Visual Basic is not used by normal people so we're not covering it here. (Uncyclopedia)
|
|
|
|
|
I've tryed to handle drawing, but it draws all control and I need one item (
|
|
|
|
|
See the edit to my previous post.
DaveBTW, in software, hope and pray is not a viable strategy. (Luc Pattyn)Visual Basic is not used by normal people so we're not covering it here. (Uncyclopedia)
|
|
|
|
|
Hello. I'm working on a remote desktop program and since I couldn't find a way to create a hook for the video, I'm taking screenshots and send them. Needless to say this is very slow. I'm looking for a method to read the video card buffer directly (only the last changes). This way the cpu doesn't have to process a few MB of data few times per second.
Any input would be appreciated.
|
|
|
|
|
xax wrote: This way the cpu doesn't have to process a few MB of data few times per second.
Let's see. Take a 1024 x 768 x 328 bit color. That's an odd 750KB, updating roughly 60 or more times a second. So we end up with around 45MB of memory that needs to be scanned every second, nevermind any other processing.
xacc.ide - now with TabsToSpaces support IronScheme - 1.0 beta 1 - coming soon ((lambda (x) `((lambda (x) ,x) ',x)) '`((lambda (x) ,x) ',x))
modified on Friday, October 10, 2008 12:07 PM
|
|
|
|
|
leppie wrote: Take a 1024 x 768 x 32 bit color. That's an odd 750KB
hmm....my calculator must be broken... 
Mark Salsbery
Microsoft MVP - Visual C++
![Java | [Coffee]](https://codeproject.global.ssl.fastly.net/script/Forums/Images/coffee.gif)
|
|
|
|
|
Whahahahaha! I didnt even notice! Of course there is only 8 bits in a byte 
xacc.ide - now with TabsToSpaces support IronScheme - 1.0 beta 1 - coming soon ((lambda (x) `((lambda (x) ,x) ',x)) '`((lambda (x) ,x) ',x))
|
|
|
|
|
Well, technically, you did say "odd", and it IS indeed close
Mark Salsbery
Microsoft MVP - Visual C++
|
|
|
|
|
Mark Salsbery wrote: and it IS indeed close
Like NASA close
xacc.ide - now with TabsToSpaces support IronScheme - 1.0 beta 1 - coming soon ((lambda (x) `((lambda (x) ,x) ',x)) '`((lambda (x) ,x) ',x))
|
|
|
|
|
Like Leppie said, dumping the whole screen as a buffer and transmitting will take a huge amount of memory. You should look at the following:
There is a pretty well standardised way of doing this with a protocol called remote frame buffer[^]. You should look into this protocol if you are writing a remote desktop program, as it will give a guide of good ways to do things (Even if you decide not to follow the protocol).
An alternative protocol used by MS is the remote desktop protocol[^]
The general area you are talking about is called Virtual network computing[^].
The general idea behind these protocols is to break the screen down into the smallest possible rectangle primitives and transmit them to be drawn on the client. A common way of reducing bandwidth is to only transmit what has changed between each refresh.
Ultra VNC[^] is an open source implementation of the RFB protocol. You can look at the source code for this to see how they are grabbing the screen.
Simon
|
|
|
|
|
I already know that the algorithm takes a large amount of memory, not to mention CPU. I've read the remote frame buffer documentation and that is why I'm looking for a way to "hook" the program to the video card. The biggest problem is the CPU consumption because the memory can be recycled: let's say 10 times per second I take a screenshot scan it and send only the changes. Still the CPU is at around 25-30% on a single core AMD.
What I want is to get only the changes(the updates) from the video buffer.
|
|
|
|
|
Read the ultra vnc source code. They obviously have a way of doing it that doesn't use that much cpu.
Simon
|
|
|
|
|
How are you accessing the image data? What do you use for screen capture?
xacc.ide - now with TabsToSpaces support IronScheme - 1.0 beta 1 - coming soon ((lambda (x) `((lambda (x) ,x) ',x)) '`((lambda (x) ,x) ',x))
|
|
|
|
|
leppie wrote: How are you accessing the image data? What do you use for screen capture?
Hi leppie, I'm using the Graphics class to get the screenshot (only 3 lines of code). Accessing the image data is very slow using safe code (GetPixel) so I'm using unsafe to access the memory.
|
|
|
|
|
|
Hey guys
I'm just wrote a simple struct to contain an int and two boolean values. Its is as follows..
struct NodeModuleLevelStruct
{
public NodeModuleLevelStruct(int ModuleID, bool IsActive, bool IsAdvanced)
{
moduleID = ModuleID;
moduleActive = IsActive;
level = IsAdvanced;
}
private bool moduleActive;
public bool IsActive
{
get { return moduleActive; }
set { moduleActive = value; }
}
private bool level;
public bool IsAdvanced
{
get { return level; }
set { level = value; }
}
private int moduleID;
public int ModuleID
{
get { return moduleID; }
set { moduleID = value; }
}
}
Now i need to query a NodeModuleLevelStruct[] using Linq so i have to inherit IEnumerable right?
so ive got
struct NodeModuleLevelStruct : IEnumerable<int>
...int cause i want to check if the given moduleID exists within that array
now the compiler is moaning that i havnt implemented System.Collections.Generic.IEnumerable<int>.GetEnumerator() or System.Collections.IEnumerable.GetEnumerator()
1) Am I on the right track here?
2) How do i implement those interfaces in my struct?
Thanks
Harvey Saayman - South Africa
Junior Developer
.Net, C#, SQL
you.suck = (you.Passion != Programming & you.Occupation == jobTitles.Programmer)
1000100 1101111 1100101 1110011 100000 1110100 1101000 1101001 1110011 100000 1101101 1100101 1100001 1101110 100000 1101001 1101101 100000 1100001 100000 1100111 1100101 1100101 1101011 111111
|
|
|
|
|
Harvey Saayman wrote: Am I on the right track here?
No, you are doing it wrong 
NodeModuleLevelStruct[] is already IEnumerable<NodeModuleLevelStruct>. So all you need to do is:
NodeModuleLevelStruct[] l = ...;
var q = from x in l
where x.ModuleID == 12345
select x;
Also, you should not use a struct in this case AFAICS.
xacc.ide - now with TabsToSpaces support IronScheme - 1.0 beta 1 - coming soon ((lambda (x) `((lambda (x) ,x) ',x)) '`((lambda (x) ,x) ',x))
|
|
|
|
|
leppie wrote: NodeModuleLevelStruct[] is already IEnumerable<nodemodulelevelstruct>
ah, i didnt know that... it works by just querying the NodeModuleLevelStruct[]
leppie wrote: Also, you should not use a struct in this case AFAICS.
what do u think i should use? And when should one use a struct anyway?
Harvey Saayman - South Africa
Junior Developer
.Net, C#, SQL
you.suck = (you.Passion != Programming & you.Occupation == jobTitles.Programmer)
1000100 1101111 1100101 1110011 100000 1110100 1101000 1101001 1110011 100000 1101101 1100101 1100001 1101110 100000 1101001 1101101 100000 1100001 100000 1100111 1100101 1100101 1101011 111111
|
|
|
|
General 
News 
Suggestion 
Question 
Bug 
Answer 
Joke 
Praise 
Rant 
Admin 
Submit an article or tip
