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The obvious one is that you can make the set private.
Christian Graus
Driven to the arms of OSX by Vista.
Please read this[ ^] if you don't like the answer I gave to your question.
"! i don't exactly like or do programming and it only gives me a headache." - spotted in VB forums.
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C# is an Object Oriented Language, or at least it purports to be.
get/set, as you call it, or Properties, as they should be called, are a fundamental part of the .NET implementation of the principals of OOP.
Take a look at this[^] for a clearer explanation than I could give in a reasonable space.
You can use C# to program in a non-OOP way but you are better off learning what OOP is all about and trying to adhere to its principals.
Henry Minute
Do not read medical books! You could die of a misprint. - Mark Twain
Girl: (staring) "Why do you need an icy cucumber?"
“I want to report a fraud. The government is lying to us all.”
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http://www.sourceforge.net/
is this site still working ? can any one browse it ?
I got bad request
sorry for this Question , but I have no friends around me , to ask them ...
you are my only ![Rose | [Rose]](https://codeproject.freetls.fastly.net/script/Forums/Images/rose.gif)
I know nothing , I know nothing ...
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it does not work for the moment
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thank you
I know nothing , I know nothing ...
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Stark DaFixzer wrote: but I have no friends around me
hmm, well, may be make this[^] your friend. You see it[^] knows the status of website 
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thank you yusuf , it's very useful for me ....
Shokarn .... 
I know nothing , I know nothing ...
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... please please please please give me a working code sample that uses SendInput to SIMULATE the movement of a mouse on a x64 vista system:
1. move mouse to screen location 200,100
2. mouse down
3. move the mouse down 12 (to 200,112)
4. mouse up
it seems like such a trivial task but is clearly one that i have not been able to master. i have searched the internet high and low, found a gazillion articles on the subject, tried 9 different samples (all failed), and have spent a minimum of 100 hours on this problem. I've learned a lot but the idea of running 32-bit DLL's on a 64-bit computer is still way over my head ... i need help desperately.
I have been able to get it to work using SetCursorPos and mouse_event but those methods actually steal the mouse from the user and make him VERY grumpy
Thank you oh so VERY MUCH in advance!
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IceWater42 wrote: 1. move mouse to screen location 200,100
2. mouse down
3. move the mouse down 12 (to 200,112)
4. mouse up
Uhh, this is nice and all, but if the user is moving the mouse in the same window that this code is sending messages to, it'll fail to do what you want since the real mouse will be mixing in it's messages with yours. The only way to prevent that is to stop the user from using the mouse at all while you send your mouse messages. Again, a very ugly solution.
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yes ... i agree it is ugly. I think by now i have tried ALL the ugly ways of doing it. That is why i posted the plea for help ... i keep hoping for a prettier solution.
Through trial-and-error these past 2 weeks, i have seen the ugly side-effects of many of the researched "solutions" ... none of which were very User-Friendly. Add in the complications of 64-bit hardware with 32-bit DLLs and (for me) the task is daunting.
That is why i posted my plea ... i was hoping that there actually might be a reasonably good way to do it, and that one of the very creative people here would show me how.
Maybe there still is a glimmer of hope, thanks to the time and effort of FocusedWolf, below.
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IceWater42 wrote: Maybe there still is a glimmer of hope, thanks to the time and effort of FocusedWolf, below.
Your only congratulating him becuase he wrote your entire project for you. Too bad too. You've skipped the part where you learn how Windows works internally.
I've already found ways in which that code will break. When your users find them too, have fun trying to diagnose the problems and work around them.
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AAAAAAAAAAAANd course failed, exam missed. enjoy the retake :P
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anyway here's what i had for using sendmessage (i think i had code for sendinput and deleted it because while it worked, it required both focus of the window and ownership of the moues cursor):
<br />
using System;<br />
using System.Text;<br />
using System.Runtime.InteropServices;<br />
using System.Drawing;<br />
using System.Windows.Forms;<br />
using System.Threading;<br />
<br />
namespace MouseKeyboardLibrary<br />
{<br />
public class MouseSimulatorMessenger<br />
{<br />
<br />
[DllImport("user32.dll")]<br />
static extern IntPtr GetForegroundWindow();<br />
<br />
[DllImport("user32.dll")]<br />
private static extern int SetForegroundWindow(IntPtr hWnd);<br />
<br />
<br />
<br />
<br />
<br />
static IntPtr? handle = IntPtr.Zero;<br />
public IntPtr? Handle<br />
{<br />
get { return handle; }<br />
set { handle = value; }<br />
}<br />
<br />
#region Windows API Code<br />
<br />
private static IntPtr MakeLParam(int LoWord, int HiWord)<br />
{<br />
return (IntPtr)((HiWord << 16) | (LoWord & 0xffff));
}<br />
<br />
const int WM_LBUTTONDOWN = 0x0201;<br />
const int WM_LBUTTONUP = 0x0202;<br />
<br />
const int WM_MBUTTONDOWN = 0x207;<br />
const int WM_MBUTTONUP = 0x208;<br />
<br />
const int WM_RBUTTONDOWN = 0x0204;<br />
const int WM_RBUTTONUP = 0x0205;<br />
<br />
[return: MarshalAs(UnmanagedType.Bool)]<br />
[DllImport("user32.dll", SetLastError = true)]<br />
static extern bool SendMessageA(IntPtr hWnd, int Msg, int wParam, IntPtr lParam);<br />
<br />
<br />
<br />
private static int MouseButtonDownInteger(MouseButton button)<br />
{<br />
switch (button)<br />
{<br />
case MouseButton.Left:<br />
return WM_LBUTTONDOWN;<br />
<br />
case MouseButton.Middle:<br />
return WM_MBUTTONDOWN;<br />
<br />
case MouseButton.Right:<br />
return WM_RBUTTONDOWN;<br />
}<br />
<br />
throw new ArgumentException("button");<br />
}<br />
<br />
private static int MouseButtonUpInteger(MouseButton button)<br />
{<br />
switch (button)<br />
{<br />
case MouseButton.Left:<br />
return WM_LBUTTONUP;<br />
<br />
case MouseButton.Middle:<br />
return WM_MBUTTONUP;<br />
<br />
case MouseButton.Right:<br />
return WM_RBUTTONUP;<br />
}<br />
<br />
throw new ArgumentException("button");<br />
}<br />
<br />
#endregion<br />
<br />
#region Methods<br />
<br />
public void MouseDown(MouseButton button, int x, int y)<br />
{<br />
<br />
if(handle.HasValue)<br />
SendMessageA(handle.Value, MouseButtonDownInteger(button), 0, MakeLParam(x, y));<br />
else<br />
throw new ArgumentNullException("handle");<br />
<br />
}<br />
<br />
public void MouseUp(MouseButton button, int x, int y)<br />
{<br />
<br />
if (handle.HasValue)<br />
SendMessageA(handle.Value, MouseButtonUpInteger(button), 0, MakeLParam(x, y));<br />
else<br />
throw new ArgumentNullException("handle");<br />
<br />
}<br />
<br />
public void MouseDown(MouseButtons button, int x, int y)<br />
{<br />
switch (button)<br />
{<br />
case MouseButtons.Left:<br />
MouseDown(MouseButton.Left, x, y);<br />
break;<br />
case MouseButtons.Middle:<br />
MouseDown(MouseButton.Middle, x, y);<br />
break;<br />
case MouseButtons.Right:<br />
MouseDown(MouseButton.Right, x, y);<br />
break;<br />
}<br />
}<br />
<br />
public void MouseUp(MouseButtons button, int x, int y)<br />
{<br />
switch (button)<br />
{<br />
case MouseButtons.Left:<br />
MouseUp(MouseButton.Left, x, y);<br />
break;<br />
case MouseButtons.Middle:<br />
MouseUp(MouseButton.Middle, x, y);<br />
break;<br />
case MouseButtons.Right:<br />
MouseUp(MouseButton.Right, x, y);<br />
break;<br />
}<br />
}<br />
<br />
public void Click(MouseButton button, int x, int y)<br />
{<br />
IntPtr oldFocus = GetForegroundWindow();<br />
<br />
MouseDown(button, x, y);<br />
<br />
Thread.Sleep(200);<br />
<br />
MouseUp(button, x, y);<br />
<br />
SetForegroundWindow(oldFocus);<br />
}<br />
<br />
public void Click(MouseButtons button, int x, int y)<br />
{<br />
switch (button)<br />
{<br />
case MouseButtons.Left:<br />
Click(MouseButton.Left, x, y);<br />
break;<br />
case MouseButtons.Middle:<br />
Click(MouseButton.Middle, x, y);<br />
break;<br />
case MouseButtons.Right:<br />
Click(MouseButton.Right, x, y);<br />
break;<br />
}<br />
}<br />
<br />
public void DoubleClick(MouseButton button, int x, int y)<br />
{<br />
Click(button, x, y);<br />
<br />
Thread.Sleep(200);<br />
<br />
Click(button, x, y);<br />
}<br />
<br />
public void DoubleClick(MouseButtons button, int x, int y)<br />
{<br />
switch (button)<br />
{<br />
case MouseButtons.Left:<br />
DoubleClick(MouseButton.Left, x, y);<br />
break;<br />
case MouseButtons.Middle:<br />
DoubleClick(MouseButton.Middle, x, y);<br />
break;<br />
case MouseButtons.Right:<br />
DoubleClick(MouseButton.Right, x, y);<br />
break;<br />
}<br />
}<br />
<br />
#endregion<br />
}<br />
}<br />
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Thank you so very much for your code and time. The MakeLParam code is especially cool. The most valuable info was actually your side comment:
 (i think i had code for sendinput and deleted it because while it worked, it required both focus of the window and ownership of the moues cursor)
... as that indeed makes SendInput a deal breaker.
I have tried SendMessage, and it did work, but as i recall it too had some undesirable side-effects ... hence the desperate plea. Once again, thank you.
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Here an assembly with everything :P
http://wolfsfiles.googlepages.com/MouseKeyboardLibrary.zip[^]
Basically it started out as some freely available one i found on the internet, and over time i've been rewriting parts of it to suit my needs... like it didn't come with the sendmessage stuff or the new sendinput stuff i wrote today... Anyways if your interested in trying out sendinput, for the mouse atlesat,... it's in there.
Turns out when i said i tried the send input... it was probably the MouseEvent api i tried... nonetheless i saw it did the same behavior as i said... forcing the cursor to move to a position to click that position.
Was fun to write that... lol SendInput even has compatibility issues with 64bit and 32bit that took a bit of googling to get around.
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I was wondering if I could ask a silly question.
Would it be possible to show an example of how to use the .dll with a Visual Basic app?
I understand what it does and everything just never wrote anything is c# and needed a starting point for a VB app i wanted to play with.
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If by vb you mean vb.net, then it's really easy to do... just unpack the solution and copy it into your vb.net project... then go into visual studio, load your vb.net project, and then right click on your solution and click "Add Existing Project" and navigate to the project file in the dll project. After you do that, you have to go to your vb.net project, and expand the area called "References", and then a window pops up... click the "Project" tab... the c# project should be listed... add it.
Now what this means is the classes in the c# project should be callable from the vb.net project (although i never tried it... but that functionality is said to exist :P).
----------------
If by vb you mean... old vb... not vb.net... then you'd have to rewrite all of the code to get it to work. I have no real experience with old vb so can't help with that :P
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from Visudalstudio, Array.Clone reads: Creates a shallow copy of a array
but from the following simple test code, the results (a[0]=0 for two messagebox shows) show that Array.Clone is a deep copy (or else, the second output should be 100, because a and b refere to the same memory), how to understand it? thanks.
int [] a = new int [1];
a[0] = 0;
MessageBox.Show(a[0].ToString());
int[] b = new int[1];
b =(int []) a.Clone();
b[0] = 100;
MessageBox.Show(a[0].ToString());
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Hi,
a shallow copy copies everything at the first level, values get copied (what else could one do?) and references get copied (not cloned).
in your code, b is a new array which first holds a zero (cloned from a), then gets overwritten explicitly, and then you show a[0]???
Luc Pattyn [Forum Guidelines] [My Articles]
The quality and detail of your question reflects on the effectiveness of the help you are likely to get.
Show formatted code inside PRE tags, and give clear symptoms when describing a problem.
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I think I am not so clear about shallow copy and deep copy.
it seems to me that shallow copy and deep copy are sometimes same but sometimes are different.
for value copy, are the same?
for reference copy, they are different.
copy of an int array belong to value copy?, but array variable belong to a reference type.
I think that copy of an int array is a reference copy, therefore, I think for shallow copy, it copies only refrence. later, I found that copy of an int array belong to value copy!
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Hi,
a shallow copy copies value types and references; so all data is the same as the original, but no new objects got created except for the one class instance copied.
a deep copy copies value types and clones referenced objects; so all data is the same as the original, AND new objects got created every time there was a reference.
an array is a reference type.
when the array elements are value types (e.g. int[]) a shallow copya and a deep copy do the same: all values are copied in the new array;
when the array elements are objects (e.g. Control[]) a shallow copy just copies all references, a deep copy clones all referenced objects.
In another way: a shallow copy can be implemented as a memcpy(), copying bytes without knowing the types of the data copied; a deep copy needs to know whether the members are values or references.
Luc Pattyn [Forum Guidelines] [My Articles]
The quality and detail of your question reflects on the effectiveness of the help you are likely to get.
Show formatted code inside PRE tags, and give clear symptoms when describing a problem.
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Why is your example showing the value of a[0] twice?? You're never showing the value of b[0].
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yes, I want to show a[0] twice in order to check whether the change of b[0] results in also the change of a[0].
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