Hi all, Is there any .NET way (I am not rulling out API usage) to add button(s) to a form's title bar? I found some non-.NET solutions that did actually work in VB6 but not in the ..NET forms... I tried painting, but the paintaing area provided by the form is only the client area - no vi...more >>

Hi, I have a control which I'm doing all the drawing. The control consists of a bunch of stuff drawn under an overlay. (Think of cross-hairs drawn on a map). The control itself is inside a scroll box. As you scroll the control the overlay stays in the same spot while the background move...more >>

Hi, I want to write a control similar to the splitter control, whereas when the user drags the control a line is drawn which is then removed depending where the user has the mouse. (rubber banding?) Any help much appreciated? John...more >>

I'm trying to find a solution to this problem that has plagued me for a few months now. Basically, I'm writing my own Telnet application, for starters, and I need to print formatted text to the background of the form. BitBlt was the preferred method, but it was frought with problems. My so...more >>

Hi, What is the best way to invalidate just an area of a control??, I am currently using Control.Invalidate but I don't want to invalidate all the control just a certain area?, what is actually raised when you do a Control.Invalidate(Rectangle)? John...more >>

Hi There, I need to convert the standard ARGB pixel format that .net uses to a RGBA to use in opengl, any idea how one could go about this? Cheers Phil -- Phil Price Student at The University Of Hull http://www.philprice.net http://www.dcs.hull.ac.uk...more >>

Hi. I have the following problem. What I want to do is to transcode and scale progressive jpeg files to non-progressive jpg files. The resizing is trivial, but is there a way to make the jpg encoder encode a non-progressive jpeg when the source is a progressive jpeg? Carl ...more >>

Hi all, I need to print raw text to standard TEXT printer. Does anyone knows how to or have an example? Thanks, Alessandro Cavalieri ...more >>

When a user OCRs via Microsoft Office Document Imaging (office 2003), the OCR text gets saved inside the .tif file. However, if the .tif is opened using some other program the OCR text gets lost. Does anyone know how to extract the OCR text when iterating through the frames (i.e.pages) u...more >>

Hi, Anyone out there know how to load and play a video file (avi) in .NET I am looking for a managed method. Com/Interop isn't an option. Thanks -- Paul ...more >>

Hello, All! SolidBrush brush = new SolidBrush(SystemColors.Control); e.Graphics.FillRectangle(brush,Rect); Why this code draws picture1(see attach) and this Pen pen = new Pen(brush,drawWidth); pen.Alignment = PenAlignment.Inset; e.Graphics.DrawRectangle(pen,Rect); draws picture2?(tak...more >>

I have a bitmap I need to redraw a part of the bitmap to another location on the same bitmap, nad the remaining part to be painted with another things Wich should be the way? -- Ceers, Crirus ------------------------------ If work were a good thing, the boss would take it all from ...more >>

I ned to make a drawImage as fast as possible and elimiante any checks I dont really need... By exemple if I dont do any transparent renders, it will be an advantage to specify Graphics.CompositingMode = CompositingMode.SourceCopy? Any other hints? -- Ceers, Crirus ---------------...more >>

Using .NET IDE 2003 I created a simple form that includes a button with image. When trying to run this project on old .NET IDE 2002 it is throws the following exception: System.InvalidCastException: Specified cast is not valid. It's happens on the following line in standard Initializ...more >>

Hi! I have a simple problem. How do I draw rectangles w/ smooth corners? I can draw an ellipse but it's too "round" inside my rectangle. I would like to have the "round" effect only on the edges where the horizontal/vertical corners meet. Thanks :) ...more >>

Why do I got so many page faults in a simple image viewer as below? The image is a full screen size jpg (200k on disk) Private myimg As Bitmap Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load myimg = Bitmap.FromFile("1.jpg") End Sub ...more >>

I can create an image object with a string printed on it. But, how I can rotate the whole image 270 degree clockwise static public Bitmap createSerial() { Graphics objGraphics; string strSerialNo = "20031124123456-1"; // Create a bitma...more >>

Hi, I'm trying to loop through all the printers in my computer system using WMI. However, I found out that it doesn't really get the correct number of printers in my system. I have 16 printers in my printers & faxes. However, when I use the WMI to retrieve the printers in my system, it onl...more >>

now, i want to create a class libary that will accept a string and then output an Image back. The image is simply a white rectangle with a specific size of area, and a black string will be on it. any api or sample code or ideas? i tried to create a function, and no string has been printed...more >>

Hi, Can anyone tell me the the best way to implement handles on shapes similar to a drawing package, to resize/move, etc, I'm not sure about how to move them without flicking? John...more >>

Hi all, Do you guys know what is "Interpolation" and "SmoothingModes" for ? Is it will have a major affect on "DrawImage" method ? Thanks you all in advance and so appreciated for your help. Have a good one... Kate ...more >>

i have an image in jpg format. i want to chage its dpi. its current dpi is 72. i want to change is to 300 and save that image again. how can i do this in vb.net ? *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it...more >>

Hello all, I'm experiencing a rather strange problem: I have PNG images saved into an Image column on SQL Server 2000. Later, I retrieve the binary data and show it on a browser, as such: <snip> byte[] bImgData = (byte[])myCommand.ExecuteScalar(); myConnection.Close(); // create str...more >>

Hi I think i've read something about it but i don't remember where, so i ask it again (sorry)... I want to retrieve the Control/Form under the Mouse at any time. I know i can convert the mouse position to a Point using "get_MousePosition()". But after that, i'm locked. In fact, i'm looking...more >>

Hi, I want to calculate the height of a string that fits in a certain width and display it inside the rectangle. However, no matter how much I try, the MeasureString never returns the correct height (for the text needs to wrap). Here is how I calculate the size of the layout rectangle: ...more >>

I have a series of images, loaded into Image objects. they are of different sizes, and when I add them to an image list, they resize to fill the H and V values by stretching. I need to make them size and center, retaining their original aspect ratio, but placed inside a new image obejct of 100...more >>

My app draws some text. I want to be able to select and copy that text to the clipboard (along with its font info if possible). I tried drawing a rectangle around the text and ... Rectangle r = new Rectangle(10, 170, 300, 40); Clipboard.SetDataObject(r, true); But that did not put anything...more >>

I am trying to save the image in .TIFF format. But when the ASPX sends the request to browser it opens the download dialog box with the format as .aspx instead of .tiff. How should I open the download dialog box as .tiff for saving the image. Should I have to set anything in IIS. Thanks Priya...more >>

Anyone read a good .NET book that would introduce a "regular" programmer to the specialized field of graphics programming? Thanks Dean Slindee ...more >>

I'm not sure if this is the right newsgroup, does anyone know where in the ..net class library i can retrieve the system appearance / theme settings. In particular the font settings. e.g. to get the system default font for a Tooltip or Menu. Thanks Colin ...more >>

id like to be able to retrieve info my pics -- things like, camera shot with, shutter/aperature settings, etc.. i thought this would be pretty straight-forward, but i've spent hours on it so far. first, my general technique: Dim myImage As Drawing.Image = Drawing.Image.FromFile(strAbPath &...more >>

I'm looking around for a GDI+ designer, a program or VS.Net add-in that will let me layout a print document (or any other System.Drawing content) on-screen, then generate the GDI+ code to do the drawing. I'm looking for a package that will simply generate the code; I'm comfortable integrating the...more >>

I have successfully insert .wmv files into MySQL. When I display the video in the browser using Read.aspx to get the .wmv: Response.ContentType = objDataReader.Item("swingContentType") Response.BinaryWrite(objDataReader.Item("swing")) if I directly call this Read.aspx, window media will open...more >>

I'm trying create a gif, programattically via a vb.net form. When I save it its very 'grainy', I've appended the code that I'm using to the end of this message. I've looked at the following article: INFO: GDI+ GIF Files Are Saved Using the 8-Bpp Format http://support.microsoft.com/default.a...more >>

Hi, I want to automaticly optimize some images on a webserver, and therefore tried to compress them with the jpg encoder. But it seems like the compression quality are simply not good enough. When using a image editor the compression is much better than what I can get out of the dotnet encode...more >>

I have a full screen image to draw on a form Is there any chance to make that draw fast enough in order to scroll the image around in real time...? Right now, I drag the image and a delay is noticed on every draw so the image is not scrolled smooth... -- Ceers, Crirus --...more >>

Hello everyone, I have been looking at the sample code at http://www.vb-helper.com/howto_net_enumerate_metafile.html I'd like to be able to read the text from an EMF file. In the code above you can enumerate through the file to each record m_Metafile.PlayRecord(recordType, flags, dataSi...more >>

I'm porting some C++ code I wrote to load TGA files to C#. Everything works as expected, with the exception that I get garbage palettes when displaying 8 bit images. I'm reading into a Bitmap object whose PixelFormat is 8bppIndexed, and I've read the palette into the Image.Palette.Entries pro...more >>

Hello, I have a transparent form. That I would like to place an image on. This image is a png and is like a border with rounded corners. the rounded corners are transparent along with the center of the image(in between the borders) This image will be placed as the top layer over any control...more >>

Hi I've written a c# custom controls that uses doublebuffering (those Control.SetStyle stuffs) that works fine most of the time. This control involves handling lot of realtime data and paint those on the screen, which 'am doing OnPaint method. Everytime i get a notification (realtime), ...more >>

Hello everyone. Is it a way to draw an image on top of another image with certain opacity level, similar to the watermark? Any feedback is greatly appreciated. ...more >>

I search a source code to draw a scroll text similar the star wars iniatial screen. Have some idea? Thanks Alberto...more >>

I want to replicate and then extend the functionality of the KODAK image viewer within my application when viewing TIFF files. I cannot seem to get the same picture quality as with the viewer (antialiasing). I've tried opening the images (large maps) both with the picturebox control and u...more >>

Hi, Is GDI+ going to become irrelevant in the LongHorn Release? Since the old windows approach of messages is going to be shelved in the latest release, should we need to do a code revamp Thanks and regards, amarnath ...more >>

We are developing an application that involves a PCI driver to a DSP card that generates data at high rates (over 40 interrupts/sec, about 3MB/sec). We use WinDriver for the driver (no kernel plugin) - and we allocate a user buffer for dma operations (continuous mode dma(, we then copy the data...more >>

I need to creat and save some graphics in asp.net web page but it's giving me erro sending the graphics as a response output stream is doing well as followin Response.ContentType = "iimage/JPEG" oBitmap.Save(Response.OutputStream, System.Drawing.Imaging.ImageFormat.Bmp); Response.End() but I ...more >>

How can I enlarge(expand) a graphicsPath with a specified ammount in all direcctions? -- Ceers, Crirus ------------------------------ If work were a good thing, the boss would take it all from you ------------------------------ ...more >>

Hi, using C# and GDI+, I really need some way of finding out whether the font used is monospaced or not, but can't figure out how. What I'm looking for is a property like: if(font.IsMonospace) { .... } Is there an easy way to do this? Also, how can I find out whether the font...more >>

Hi all, I have created an animated GIF which I want to display in a panel. When I get the image from a file, everything works well. When I embed the file as a resource and extract it via a stream, then calling SetActiveFrame() on the image object fails with a generic GDI+ error (although GetF...more >>

Hi, Does anyone know how to handle drawing of navigation buttons on tabcontrol?? I want to draw my own buttons. ...more >>