When I look at the EXIF properties in my bitmap's PropertyIdList I find 20 properties. When I look at the "Summary" tab of the properties dialog for this image I only find 8 properties listed. Then when I look at it in Photoshop I find 25 properties including most of the ones I want but don't ...more >>

Hi I am creating a canvas drawing surface and currently implementing methods to move and resize primitive objects (rectangles, circles etc). I have a problem with resizing which can be described as follows: The primitive object is declared as Public Class Shape Protected mPosition as...more >>

Hello. Does anybody have any sample source code for manipulation of 16-bit TIFF? It throws an exception when executing Bitmap.FromFile, but anyway, even if I was able to load it, I don't see the way to read pixel values. GetPixel returns Color and R, G, B members of Color are bytes and I need...more >>

Hello, In my application I draw a series of rectangle type shapes across the view (to represent structural building supports) which are typically calculated to be 3.5 by 6.2 pixels. The shapes are the equivalent of a rectangle with the middle section of one side absent so as to look li...more >>

Is there a way to render text from top-to-bottom (vertical) rather than left-to-right? I thought this was possible - but I can't see how. Thanks anyone! === Phil ...more >>

Hi people. I'm using Visual C++ .NET 2002 & I'm trying to follow a tutorial on the GDI+ interface. One of the first things it says to do is to "add reference to the System.Drawing.dll and import System.Drawing namespace". This is done by adding a "reference to the System.Drawing.dll using Pro...more >>

Hello! I have a small problem with my program. I'd like to draw multiple lines, which will creatre a graph or something like that. I know that drawing a lines isn't a problem, i can put all of them inside onPaint method, but i'd like to add every line from inside the program, for example: ...more >>

hi, There is no KeyDown(or any Other Key events for that matter) event of pictureBox in .Net.It was not so in VB6.We have used it extensively all over in our project.. What is its replacements in .NET ? thanking sanjay ...more >>

I inherited a control that is all drawn manually. GetGDIItem/FillEclipse/FillRectangle etc What I need to try and figure out is how to save the current "view" of this UserControl as a jpg I'm 100% new to windows/.net/drawing any pointers to namespaces/classes in .Net/C# to look at? ...more >>

I'm trying to create a screen saver using C# (.NET 1.1) and I have found a few examples, but the ones I'm looking at explicitly leave out the examples for the preview. :< I saw one (not sure where anymore :<) about receiving a window/graphics handle? Is that possible? Does anyone know of an...more >>

I need to find a way to do a image capture of a webpage on the fly... A user clicks a bookmarklet which passes the URL to the server...I need to then pass this to a service...not sure system.drawing? ...and then process the HTML or webpage into a image...this is for an archiving site where us...more >>

Hello all. Does anybody know of any sample source code for handling 16-bit tiffs in .net? Bitmap.FromFile throws "A generic error occurred in GDI+." exception if loaded file is 16-bit tiff. Anyway, Bitmap.GetPixel returns Color and Color.R is byte, so even if I could manage to load it into B...more >>

I am making a simple vector drawing tool drawing onto a canvas. I can display, zoom and rotate. Now the time has come to implementing = resizing of objects. A drawing object is described as Public Class Shape Protected mPosition as new PointF(0,0) Protected mSize as new SizeF(0,0) Pro...more >>

I would like to draw lines and points into a "window" on my form. I would like the window to have shading and the 3D effects much like the Panel or Picturebox do. I will be using the retained mode graphics system to draw several layers into this window, and scroll some of the layers. How shoul...more >>

hello members, i create an ellipse on OnPaint event using following syntax g.DrawEllipse(bluePen,startPoint.X, startPoint.Y, currentPoint.X- startPoint.X, currentPoint.Y-startPoint.Y); i am able to create ellipse, now i want to get all the coordinates along the line of ellipse means all ...more >>

Hi, i'm having the following problem, if i draw a horizontal or verical line with the smoothingmode set to antialias or high quality i get a line that is not smoothed. Now i realise that this is due to the fact that they are vertical/horizontal, and no smoothing is required in this case,...more >>

hi, Is there any difference between Declaring APIs through Declare statement as we used to do in VB6 and declaring it through DllImport as we often find using in .NET plateform. I have gone both ways and they are working properly. I have a lot of APIs declared in my project declared VB6 w...more >>