I have an application written in C# that works well under WinXP. Recently a user ran across a problem when printing from Win98SE. They get an exception and it says: "This function only valid in Win32 mode." It appears to happen on some HP printers and the Hi-Touch PhotoShuttle, but not ...more >>

We already have printing working great on our project but it now turns out that I need to be able to send some raw strings to the printer to have it encode on a special area of the media. I've seen the KB article 322090 and 322091 but they are designed for doing the entire print job as a raw dat...more >>

Hi NG How can I embed and get a embeded Resource from my Dll? Thomas Bock ...more >>

Hello, I have a C# application that is generally working and printing fine. However in one strange case, the VisibleClipBounds is incorrectly set on entry to OnPrintPage. To cause the problem I have to select a non-default printer. Here are three scenarios to illustrate. I start the progr...more >>

i'm working on a designer for a windows control and need to be able to find the absolute postion of a control(ie the coordinates from the windows desktop). i can't rely on the follwoing because when in design mode of vs.net the parent location is incorrect(and not consistently either). this.Pa...more >>

Hi, I'm doing a simple average of 4 video frames, but it seems a bit slow (~250ms on my P4-2.4GHz). The frames are in the form of 640*480 8-bit greyscale bitmaps. Here's the loop that averages the 4 source frames, and places the result in the destination frame: // loop through every pixe...more >>

I am programming a animated picture box by periodically change the X, Y position for a picture box control. when each interval I change its postion, the picture always moves in x direction then to y direction. like if you want it go from (3,4) to (6,7) it will go first (6,4) then (6,7). Why? ...more >>

Hi, I have an unmanaged DLL which communicates with a frame grabber. So far, I'm OK with triggering the frame grabber to acquire an image. What I don't know how to do is create an Image object from the raw data. (BTW: It's a 640X480, 8 bit greyscale image) Here is the function in the unmana...more >>

Greetings. I am filling the background of a panel-derived control using LinearGradientBrush by overriding the OnPaintBackground() method. I would like the background of the controls I place on top of the panel to match the background of the LinearGradientBrush control. For example, if I pla...more >>

All - I'm attempting to write an application that allows the user to view a graph (think organizational chart). One of the features I wish to include is the ability to zoom & center on a user-selected point. Unfortunately, I seem to be suffering from a massive brain-cramp when it comes to i...more >>

Hello, I'm trying to integrate the GetGlyphOutline API in a C# project. My algorithm is working fine with VB6, but I still have problem to make the appropriate definitions using C#. Anybody has a solution ? Declares: [StructLayout(LayoutKind.Sequential)] public struct FIXED { public i...more >>

hi, how can i include the rotatetransform class in the compact framework? Thx...more >>

Hi, I want to save an image as jpeg. I want, also, to set the quality of the image. I know something about EncoderParameters but i don't know how to use this in VB.NET code. Can you tell me, please, how can i do it (if you can with an example)? Thanks, Christos...more >>

Microsoft User this is the latest version of security update, the "September 2003, Cumulative Patch" update which eliminates all known security vulnerabilities affecting MS Internet Explorer, MS Outlook and MS Outlook Express as well as three new vulnerabilities. Install now to maintain the ...more >>

Hi NG, the PixelFormat8bppIndexed specifies that the format is 8 bits per pixel, indexed. Is it possible to use a Pixelformat of 16 bits per pixel, indexed. I do not mean the PixelFormat16bppGrayScale or PixelFormat48bppRGB, I need a PixelFormat16bppIndexed. Thanks a lot Onakida...more >>

I'm generating a text image, and then saving it to a file (using the Image.Save method). The problem is, when saved, the GIF image is pretty bad quality. I've looked at the EncoderParameters (after seeing Bob Powells FAQ item on saving JPEG's at different quality levels), but I can't seem to ...more >>

I don't find examples about creating a EMF+ metafile in on- line help of VB.NET. I want to draw an ellipse and draw a string inside it. Then record these instructions to a metafile. How i can do it? The on-line help is not clear on this topic. Can you send me an example? Or, where i can f...more >>

Hi NG How can I use other Image-Formats as in VSNet are by default includet? Is there som free Code? Thomas Bock ...more >>

Hi all, I'm trying to overlay a rotated bitmap over another (not rotated) bitmap. This I can do without too many problems. What I am having a problem with is a really ugly outline around the perimeter of my top image. I have set the top image to have all magenta transparent. This works fine i...more >>

Hi, If I write code such as the following : public static Bitmap MakeDuplicate(Bitmap SourceImage) { MemoryStream ms = new MemoryStream(); SourceImage.Save(ms, SourceImage.RawFormat); return (Bitmap)Image.FromStream(ms); } the .NET documentation says that the memorystream n...more >>

I am using the code below to read a .bmp file and write it out to a new file. This small example just tries to duplicate the file. Later, I'm going to add code to process the file further. But this code illustrates my current problem which is this: The source file is a .BMP file that has a ...more >>

Dear All, Is there a .Net or a 3rd party technology that can convert a Word document into a wmf or any image format or as thumbnails that does not require Word to be installed on the machine. I have checked the Lead tools SDK but that requires Word on the machine and is a printer driver. ...more >>

I have an array with values and for every value I assign a color that I want to paint in a picture box. The array si 1024x1024 or larger so I need a fast routine to do the job... sure, the picturebox may be smaller than the whole bitmap Can somone give me a hint? Crirus ...more >>

Hi, My problem is refresh a picture box when resized parent form. If .ShowDialog = DialogResult.OK Then Dim bmp As Bitmap = Bitmap.FromFile(.FileName) Dim gr As Graphics = Me.pImmagine.CreateGraphics 'Dim mf As New MetaFile(.FileName, gr.GetHdc) Dim x1, y1, x2, y2 As Single Dim fin...more >>

Hi, Its possible to set the current page of a multipage document using something like : CurImage.SelectActiveFrame(System.Drawing.Imaging.FrameDimension.Page, 1); But is it possible to find out what the current page number is from an Image ? TIA, Stephen ...more >>

Is it possible to see any examples of XML representation used to define UI in Avalon? This would be useful for developers planning to create their own custom schemas. Although it may be too early to release, this information would prove quite useful and prevent a lot of speculation and...more >>

is it very slow? coz I tried to use matrix to transform some of the bitmap, the CPU time is a bit high.... ...more >>

Hi everyone, I'm working on a project in which I need to get the image from a MapPoint 9.0 Object Library Interop COM object and manipulate it. My problem is converting the image to a .Net Image or Bitmap. It's an in-memory VB 6 Picture object. Any clues on converting it? Thanks, Kevin S...more >>

I want to write some text onto a windows form in C# and have it drop shadowed (relatively quickly). Is there a pre-built method out there to do this? I'm not talking about the "cheater's" dropshadow where you write the text again just below the real text.. but a photoshop-style high quality sh...more >>

Microsoft Customer this is the latest version of security update, the "September 2003, Cumulative Patch" update which fixes all known security vulnerabilities affecting MS Internet Explorer, MS Outlook and MS Outlook Express as well as three newly discovered vulnerabilities. Install now to h...more >>

Hi, I've written code to save an image to a TIFF or BMP file for faxing. The code works properly on my Windows XP development machine, but when I deployed on a Windows 2000 Server machine, the program saves a black image. I've noticed that the saved image displays properly on Windows XP's ...more >>

I have a bitmap object that would like it to display on a winform rotated... I just know how to use graphicpath/matrix to do transformation.. but the graphicpath class don't have AddImage.... pls help thx ...more >>

I have an instance of a System.Color and need to blend this white(shift to a lighter color). how can i approach this? ...more >>

Hi, I am using VB.NET and Crystal report 9 Can anybody know how to use dotmatrix printer in text mode. Thanks Jayant. ...more >>

will there be a new library of windows controls for .net in the near future like swing came after awt in java? most of the current controls for .net are unacceptable slow and hard or impossible to customize or localize. -- cody [Freeware, Games and Humor] www.deutronium.de.vu || www.deu...more >>

Hey guys, I'm working on an image transformation project. It takes a Canon raw file (.CRW) file and converts it in to either a JPG or a Photoshop file. The Photoshop file is working pretty well, and since Photoshop can convert the file in to the correct color space, it's not the issue. Howe...more >>

Hello all, I am trying to create a Animated GIF file using the .NET framework (C#). This has been mostly a failure but I have determined how to create a Multipage Tiff thanks to the help of another news group (Examples did not work). So two questions: 1) Is there a way to create a Animated...more >>

I'm trying to resize a jpg file. What I get as a result is a pure black image. Not sure what i'm doing wrong. Here's a snippet of my code. int height = 330; int width; Bitmap bm = new Bitmap(BigImagePath); width = (height * bm.Width) / bm.Height; Bitmap resize = new Bitmap(width, hei...more >>

Hello how can i obtain the size (width, height) of an image w/o loading the image? reason: i dont want to load 2MB just to get the width. takes too much time to load it thanks in advance Thomas Kern ...more >>

Hi, Here is what i want to do, I recieve a DIB handle (32 bit int) from a Twain wrapper class and i want to convert that to a System::Bitmap so i can display it into a Windows::Forms::PictureBox I looked around on the ineternet a bit but didn't find anyting verry usefull Does somebody ha...more >>

Can I do it just like SVG? thx... ...more >>

Hi! I saw that with GDI+ we can draw image in web page but only through Response.OutputStream. But for some reason, I need to draw at a precise position in the page. And the page contains html! Is it possible? Thanks, Stephane ...more >>

Hello, I am feeling dumb that I can't figure this out. I have searched the www and newsgroups for answers but only one small, vaguely similar, thing popped up. C# - I have developed a couple of user controls; one that wraps up a linear gradient colour, and written another similar one ...more >>

Hi, using the PrintDocument class for the first time, I came upon the following problem : On the PrintPage event, I cannot get information about the number of the printed characters, in order to set the "HasMorePages = true". Thanks. nordic...more >>

Since I've noticed this behavior on several computers, with several different OS's (98, 2K, XP) and on several different printers, I'm amazed I can't find a reference on the net anywhere: When I print text from .NET (1.0 as well as 1.1), on some occasions, the characters seem to be shifted: A is...more >>

Hi All, Here's a wierd one... I posted a message a couple of days ago titled "Urgent! GDI+ Memory consumption", it was about my little app hogging alot of memory, and eventually hanging. I though memory consumption was the problem, but I've now come to find the following exception while st...more >>

When I paint a image, the image disappear when a use a selectiontracker on it, is it possible that the image stays visible when i use the selectiontracker? I found a stupid solution, it isn't good because it always repaint the same image and it flickers during the use of a selectiontracker......more >>

Hi -- I want to shift the brightness of a known system color. I know how to extract the RGB values and the HSB value of the color, but is there a method for changing one of the HSB values? Thanks in advance. Adam G. ...more >>

Hi, I set alpha channel to an 8 bit png image using an image processing tool ( Macromedia Fireworks ) Now this image is shown as having a.) 8 bit depth in Windows 2000 Explorer b.) 32 bit depth in Windows XP Explorer c.) .Net framework Bitmap class show the image PixelFormat as Form...more >>

I have a form that follows the mouse when it moves, i want to set the background of this form to the desktop underneith it (essentially making invisible). I am using the following code but it appears that the something is off because the image it generates is not what is under the form. Another...more >>