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Really so simple! I was thinking of how whould task ber get hidden, but it seems that when we set the WindowState property to Maximizd, the taskbar automatically becomes hidden
Don't forget, that's " Persian Gulf " not Arabian gulf!
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 When you do this, all appbars, including the taskbar, get a notification that a full-screen app wants the whole screen, so they run and hide.
"Blessed are the peacemakers, for they shall be called sons of God." - Jesus
"You must be the change you wish to see in the world." - Mahatma Gandhi
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I downloaded and installed CsGL, because I was interested in OpenGL programming with C#. And I ran into a little problem: the drawing code for the scene ( placed in a method render() ) only gets called during painting. But I need to update my scene much more often than when WM_PAINT is processed. I want to have a smooth animation, something complex, like a spinning triangle  . When I used C++ and the Win32 API, I replaced the traditional while(GetMessage()) with if(PeekMessage()). If there was no message in the queue (the app was idle), then I would call my render(). But there is no OnIdle(), or something similar, for a C# Form. I digged around, and found that the Application method had an Idle callback (delegate, whatever) I could use. So I plugged render() to it. But it doesn't work properly (if I continuously move the mouse pointer inside the client area really fast, it works; otherwise, no). Besides, the Application object is global. Maybe I'll want an Idle event handler for more than one form. Right now I'm doing it with timers (every 10 ms, a Paint is triggered), but that's suboptimal (altough it works). Does anyone have a better idea?
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Hi, just 3 short questions.
Firstly, anyone know where you can get hold of the windows XP icons? I mean the standard ones for copy, save, etc?
How is it possible to authenticate a user against Active Directory, and receive certain information such as email addresses?
Also, do you perhaps know of a good tutorial using a client to send email through exchange, or, if you can just make an independant program to email?
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1) Shell32.dll
2) System.DirectoryServices.dll
3) Outlook
Hawaian shirts and shorts work too in Summer.
People assume you're either a complete nut (in which case not a worthy target) or so damn good you don't need to worry about camouflage...
-Anna-Jayne Metcalfe on Paintballing
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Only thing is, MS says you're not supposed to use them in your own applications.
I'm making my own XP icon look-alikes.
"Blessed are the peacemakers, for they shall be called sons of God." - Jesus
"You must be the change you wish to see in the world." - Mahatma Gandhi
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The thing is, in MS's windows style guide, they say you must use certain icons in order to maintain a visual appearance. How then can you do this if you can use the same icons? In this guide, it says MS will be releasing them, but I cannot find anything on this release.
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Ahh, just do it anyway. Everyone does, including non-Microsoft employees for sample code posted on Microsoft sites like MSDN. Just be mindful that certain things - like icons for Cut, Copy, and Paste, are not icons at all but bitmaps in the Bitmap resource section (just in case you were looking for them).
Reminiscent of my younger years...
10 LOAD "SCISSORS"
20 RUN
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I have a simple little componnent below.
Why is the ouput 1 then 0 ? I don't understand why the instance variable is reset after the transaction is completed ?
using System;
using System.Runtime.CompilerServices;
using System.EnterpriseServices;
using System.Reflection;
using System.Runtime.InteropServices;
[assembly: ApplicationName("TestApp")]
[assembly: ApplicationAccessControl(false)]
[assembly: AssemblyKeyFileAttribute("TestApp.snk")]
[Transaction(TransactionOption.Required)]
[ClassInterface(ClassInterfaceType.AutoDispatch)]
public class Test : ServicedComponent
{
protected int i;
public int I
{
get
{
return i;
}
}
[AutoComplete]
public void test()
{
i++;
Console.WriteLine( i );
}
}
public class client
{
public static int Main()
{
Test t = new Test();
t.test();
Console.WriteLine( t.I );
return 0;
}
}
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I read an image file,then I want to write a a string on it and save it again. I write an string with whith graphic object in the Paint event,but I cant save it to a file. I think I don't really write on a image,I just write on the screen,so how to write a text on image an save it?
Mazy
No sig. available now.
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The following will open an image, create a Graphics object to use for drawing to it, draw a string, and save it to another file.
Image image = Image.FromFile("source.jpg");
Graphics g = Graphics.FromImage(image);
g.DrawString("Hello World!", new Font("Tahoma", 24), Brushes.Magenta, 10.0f, 10.0f);
g.Dispose();
image.Save("target.jpg");
Note that this will only work for non-indexed image formats. For an indexed format you could just create a new non-indexed Image into which you first draw the loaded Image before writing other stuff on top. Of course when you save the file it won't be in the same format as the original.
Image image = Image.FromFile("source.gif");
Bitmap bmp = new Bitmap(image.Width, image.Height, PixelFormat.Format32bppArgb);
Graphics g = Graphics.FromImage(bmp);
g.DrawImage(image, 0.0f, 0.0f);
g.DrawString("Hello World!", new Font("Tahoma", 24), Brushes.Magenta, 10.0f, 10.0f);
g.Dispose();
bmp.Save("target.jpg");
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Thank you. I'll test it very soon. 
Mazy
No sig. available now.
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It works,but I can't use it for tiff file,unhandled error happend for the Save method. Any idea?
Mazy
No sig. available now.
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What was the Exception that you got?
If you want to save to TIFF format you need to specify an encoder like so:
ImageCodecInfo FindEncoder(ImageFormat format) {
ImageCodecInfo[] encoders = ImageCodecInfo.GetImageEncoders();
for (int i = 0; i < encoders.Length; i++)
if (encoders[i].FormatID == format.Guid)
return encoders[i];
return null;
}
...
image.Save("target.tiff", FindEncoder(ImageFormat.Tiff), null);
...Actually the example I gave before for saving an index-formatted image probably should have explicity specified the JPEG encoder even though I believe it uses Image.RawFormat which defaults to the JPEG format (at least on my system).
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This is my code for multipage Tiff file:
Image image = Image.FromFile("1.tiff");
image.SelectActiveFrame(FrameDimension.Page,0);
Graphics g = Graphics.FromImage(image);
g.DrawString("Hello World!", new Font("Tahoma", 24), Brushes.Magenta, 10.0f, 10.0f);
g.Dispose();
image.Save("1.tiff",FindEncoder(ImageFormat.Tiff),null);
This is an error:
A Generic Error Ocurde In GDI+
The file is multipage and I want to save it into same file.
Mazy
No sig. available now.
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hmmm....thanks.
Mazy
No sig. available now.
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Has anyone heard of this class? I came across it in a custom config section handler I built on v1.0 (derived from System.Configuration.DictionarySectionHandler). The Create method loops thru an XMLNode to retrieve config file section settings. In v1.0, only ConfigXmlElement objects were in the enumerator (or so it seems). In v1.1, I'm also getting ConfigXmlWhitespace objects.
My previous code:
IEnumerator enumer = section.ChildNodes.GetEnumerator();
The workaround:
IEnumerator enumer = ((XmlElement)section).GetElementsByTagName("myTag").GetEnumerator();
The workaround ensured that only XmlElements named "myTag" would be included in the enumerator.
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Hi:
I want to save my pictures in an .tiff file as an multipage,it means there are more that one picture in one file.How can I do it? (Hope that I'm clear about the problem)
Mazy
No sig. available now.
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The following example creates three Bitmap objects: one from a BMP file, one from a JPEG file, and one from a PNG file. The code saves all three images in a single, multiple-frame TIFF file.
using System;
using System.Drawing;
using System.Drawing.Imaging;
class Example_MultiFrame
{
public static void Main()
{
Bitmap multi;
Bitmap page2;
Bitmap page3;
ImageCodecInfo myImageCodecInfo;
Encoder myEncoder;
EncoderParameter myEncoderParameter;
EncoderParameters myEncoderParameters;
// Create three Bitmap objects.
multi = new Bitmap("Shapes.bmp");
page2 = new Bitmap("Iron.jpg");
page3 = new Bitmap("House.png");
// Get an ImageCodecInfo object that represents the TIFF codec.
myImageCodecInfo = GetEncoderInfo("image/tiff");
// Create an Encoder object based on the GUID
// for the SaveFlag parameter category.
myEncoder = Encoder.SaveFlag;
// Create an EncoderParameters object.
// An EncoderParameters object has an array of EncoderParameter
// objects. In this case, there is only one
// EncoderParameter object in the array.
myEncoderParameters = new EncoderParameters(1);
// Save the first page (frame).
myEncoderParameter = new EncoderParameter(
myEncoder,
(long)EncoderValue.MultiFrame);
myEncoderParameters.Param[0] = myEncoderParameter;
multi.Save("Multiframe.tiff", myImageCodecInfo, myEncoderParameters);
// Save the second page (frame).
myEncoderParameter = new EncoderParameter(
myEncoder,
(long)EncoderValue.FrameDimensionPage);
myEncoderParameters.Param[0] = myEncoderParameter;
multi.SaveAdd(page2, myEncoderParameters);
// Save the third page (frame).
myEncoderParameter = new EncoderParameter(
myEncoder,
(long)EncoderValue.FrameDimensionPage);
myEncoderParameters.Param[0] = myEncoderParameter;
multi.SaveAdd(page3, myEncoderParameters);
// Close the multiple-frame file.
myEncoderParameter = new EncoderParameter(
myEncoder,
(long)EncoderValue.Flush);
myEncoderParameters.Param[0] = myEncoderParameter;
multi.SaveAdd(myEncoderParameters);
}
private static ImageCodecInfo GetEncoderInfo(String mimeType)
{
int j;
ImageCodecInfo[] encoders;
encoders = ImageCodecInfo.GetImageEncoders();
for(j = 0; j < encoders.Length; ++j)
{
if(encoders[j].MimeType == mimeType)
return encoders[j];
}
return null;
}
}
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Oh,Thank you man. It works.
Mazy
No sig. available now.
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Hi !
I've got a strange problem with printing documents with C#.
When I preview the document, it is always OK.
But on the paper, there may be some wrong characters : '#' instead of 'R', '&' instead of 'A'.....
It seems to depend of the used font (common fonts) and printer (recent printers).
For example, if I choose the 'Arial' font, it will be ok with one printer but won't be correct with other one which will prefer the 'Ms sans serif' font.
Do you have any idea to get a correct printed document with any font and any priter and without any eronated character ?
jpeg
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does someone know how to save a data form datagrid as txt?
Thanx
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This is really a rudimentary task done by first-year computer science students. This type of question usually indicates that the person asking doesn't really want to do the work to find the answer. Here's a hint for you--the answer is readily available. Just search the MSDN library for System.IO and related classes for writing to text files. Just iterate through your collection of objects found in the data grid and write them out to a text file separating each field with a comma or tab. It's very simple.
Best Regards.
-Matt
------------------------------------------
The 3 great virtues of a programmer:
Laziness, Impatience, and Hubris.
--Larry Wall
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thank u very much for helping me to find myself!!!
i really believe i find the answere in MSDN but first i got to have it!
Thanx
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hi,
i want to know how can i make a fixed digits conversion like below C printf() function in c#?
CString a;
a.format("%02d, %02d, %02d", 1, 12, 123);
thanks,
jim
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