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all groups > dotnet drawing api > march 2007 > threads for march 1 - 7, 2007

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Finding the position of the task bar
Posted by peter.mcclymont NO[at]SPAM gmail.com at 3/5/2007 2:05:09 PM
Hi There, I am writing a C# .NET 2.0 application. It is borderless, but I never want it to cover the task bar. How can I get the position and size of the task bar in C# .NET 2.0. Thanks, Peter. ...more >>


Dissapearing mouse
Posted by peter.mcclymont NO[at]SPAM gmail.com at 3/5/2007 12:30:44 PM
Hi There, I have a C# .NET 2.0 application. What I need to do is make the mouse pointer dissapear if they don't move the mouse for over a second. It would appear again once they start moving the mouse again. Of course these things would only need to occur when the mouse is over my C# app...more >>

Problem with Vertical Scrollbar
Posted by msedi at 3/5/2007 10:20:47 AM
Hello, has someone ever had the problem that actions that can occur in the scrollbar can crash the whole application? In my application I have a scrollbar to scroll through a volume data of medical images. When I scoll by clicking the up/down buttons several time the application crashes in a...more >>

Creating transparent buttons
Posted by peter.mcclymont NO[at]SPAM gmail.com at 3/4/2007 7:29:41 PM
Hi There, I am creating a C# .NET 2.0 application. I am trying to create transparent buttons like the latest version of google earth. I am not really sure where to start. Some sample code is what I need. Also later on I need to be able to get it to fade in and out. Thanks, Peter. ...more >>

How do you copy a Graphic to a Bitmap Image?
Posted by icepick72 at 3/4/2007 11:49:59 AM
On an academic note, I want to copy a Graphic to an Image (Bitmap). I have the Graphic object but not a originating image; this is because I'm overriding the PrintDocument class OnPagePrint method which only provides me an e.Graphic (see code sample below). The FCL doesn't seem to natively sup...more >>

Pixel Color Changes with AlphaValue in GDI+,C#
Posted by msedi at 3/2/2007 7:58:26 AM
Hello, I'm having a problem using the Bitmap. I have a bitmap (32-bit ARGB) which I use as an overlay. The user can draw into this overlay to define several regions. The image is created like this: MaskBitmap = new Bitmap(Width, Height, PixelFormat.Format32bppArgb); and I ...more >>

3 color gradients
Posted by bigd58 NO[at]SPAM gmail.com at 3/1/2007 4:47:42 PM
How would I go about drawing a linear graident more complex than 3 colors? For example, recreating the gradient control available in photoshop, where you can place "markers" at more than 2 points, and specify the color of each marker. Any help appreciated. ...more >>

Sending compressed image bits to Printers?
Posted by Robert Hooker at 3/1/2007 10:50:10 AM
Hi All, I'm printing images with fairly large dimensions and color depth. As other have posted, I'm seeing huge print queues being generated when I print these. My print code looks like this: PrintImage(Graphics grx) { Image myImage = .... grx.DrawingImage(myImage, new Rect...more >>



Draw image without stretching
Posted by MLM450 NO[at]SPAM hotmail.com at 3/1/2007 5:07:28 AM
Is there a way to draw an image in a box so it fills the box without stretching the image? In other words, the image adjusts size to fit in the box but does not alter its X-to-Y ratio. Thanks. ...more >>


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