VS 2008 - Image Transparency - Loading A Bunch Of Pictures On Top Of One Image
Oct 14, 2009
Ive been programming in VB6 for years, i figured its time for an upgrade. Here's what im doing, and what the problem is:
Im loading a bunch of pictures on top of one image. They are all PNG files, and some of the images have transparent edges, and some semi-transparency within the image itself.
So basically, i need to be able to load these images on top of the other images, and still maintain the transparency.
Is this possible in VB08? This is one of the main reasons i moved to 08 from vb6, more things possible including multithreading.
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Jul 8, 2011
I have a picture box on SSRS. I want to load a picture to it, for exam from D:\Pictures\TV1.jpg (actually user will decide it by using OpenFileDialog)I have set the Source to external and in Value expression I tired
="D:\Pictures\TV1.jpg"
and
Also
="/<d:\pictures>\TV1.jpg"
but my picture box shows error picture in both cases.
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Aug 14, 2011
I'd like to verify if an image control has an image loaded . If it does , I want to unload that image (and load no image) , but if the image control has no image loaded , I want to load an image . Is it possible ?
If ImageMY.Image.Equals(Nothing) Then
ImageMY.Image = System.Drawing.Image.FromFile("C:ImageBlaBlaBla.jpg")
Else
[code].....
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Jul 20, 2009
how you can get image transparency to come through in Visual Basic? Because if you try to put an image with some transparent sections on it on a form, the transparency turns into the form background colour (Though you could change the background image to whatever you want displayed under the image, but that's not the point) and basically I can't find any way to do irregular transparencies.
Alright, that's not very simple. I'll try to give an example:
You have an animated GIF of...say...fireworks. And it has a transparent background. Now say you have a few labels with text in them. When you draw the picturebox over the labels, the text in the labels is covered by the background of the fireworks, even though it's transparent. You can't see the labels. You want to see the fireworks exploding over the text
I can't see any way of getting around this, other than doing it in another program and putting the text and fireworks into one PictureBox. but it would be so convenient if it could work in Visual Basic, because you can control the text the in the labels and keep the animated "fireworks" exploding at the same time without using multiple animated images.
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Mar 31, 2009
Just want to know the best method to load a picture in a picture box dynamically. As part of my development, I was supposed to load 4 pictures from network to 4 picturebox controls.
For which, I found, 2 methods.
1. Picturebox1.Image=new bitmap("C:\test.jpg")
(or)
2. Piturebox1.ImageLocation="C:\test.jpg"
Which one is more suitable interms of performance.
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Oct 29, 2009
i know how to make a picturebox have a transparent image within it, and i know how to make forms transparent, but what i cant seem to figure out is how to add an image which has transparent parts to a completely transparent form and have it still look nice. you know when you find images which look really good by them selves, but then look really bad when moved to a different background cause they still have the white border (or any other colour border). is there ANY way which i can accomplish removing this border? its almost like the alpha channel that removes the ugly border, when putting the image on the form, is forgotten about and the colour of the forms background fills in the gap..
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Jul 14, 2010
I have an application that connect to a database... and this process take a few minutes... and need to show an animated image or a message like "loading...." while the mainform is loading and connecting to the database?
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Jan 14, 2010
I have an application that connect to a database... and this process take a few minutes... and need to show an animated image or a message like "loading...." while the mainform is loading and connecting to the database
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Jul 3, 2011
I can't seem to find a way to get the Transparency of the character sprite to work. It always seems to take the background image of the form no matter how I tweak it.
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Mar 7, 2012
I've been playing around with Windows 7 taskbar thumbnail previews. I've noticed that some Microsoft applications are able to set thumbnail images which have transparency in background. I've been trying all out and not been able to achieve this.
I've set a picturebox control having PNG with transparency as thumbnail preview, doesnt work. I tried creating a new bitmap and loading from Icon file having transparency and setting it as preview but still doesn't work. It keeps showing the background color of the form window.
This is what Microsoft apps are able to acheive:
[URL]
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Jul 13, 2009
I have a window application develpoed in vs 2008, framework 3.5, in which i have put a button.. Now where i click that button the other text boxes are filled up with the data from database thru web service.. what i want is while all text boxes are being filled i want to show an animated loading gif image till data loading is completed in all the text boxes.. i have tried to use image picture box but while data is loading gif image is displyes but in static mode.. cant see animation... i think this is because data loading and animation both are done thru one UI thread..
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Feb 20, 2009
I have one question. I have two PictureBoxes, one PictureBox is under other. When i'm loading PNGs with transparency, they not transparent! How can i fix that with code?
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Aug 15, 2009
imagine i have an image of an whole family, but then i crop just one face, to use, now i have the photo of the whole family, and the photo of a face, which is part of the big photo. what i want is an app that can scan the big image, looking for the small image, and then return if it found it, and the rectangle where the small pictures, fits, in the big picture. any ideas?
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Jan 5, 2012
I Need to Store bunch of Jpeg files from local file system to a column with image datatype in databse.Can any one please provide me some code to do it?
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Aug 6, 2011
why some pictures in office word isn`t image format? And how can I fix it?I added example.doc, first picture is image, second isn`t.[code]
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Oct 25, 2011
I'm working on a project that loads pictures from internet, but it takes few seconds to load a picture/image. Simply, I want to avoid this issue by silently downloading these pictures to somewhere on the HDD without letting the user know. So my question is, how I can download files silently?
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Nov 2, 2010
In VB6 you could BITBLT things around before refreshing the screen. In .NET, I'm aware of DrawImage, but that can only be done on a paint event rather than before anything gets painted. The issue I have is, I need to open several files with image data in them and then build a bigger image with those smaller images. Before I could open them, BITBLT them to a Buffer. As far as I can tell .NET offers no way to do this as the only function I've been able to find (DrawImage) only works within the paint event. Is there still a way to do this in VS08 or no?
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Feb 12, 2009
1. I want to load pages in web browser without loading scripts and Pictures(Jpeg,gif,png).
2. When Web Page Loads my Application Stops Responding. After that it responds. In one place of my Code i have added thread.sleep(10000). is it reason for that?
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Jun 19, 2009
I need to know how to use listview, I'm having trouble using it.What are listviews uses?What can be listed in listview?What cannot be listview?If an image is in listview, will it display a thumbnail of the image?
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Sep 4, 2011
I want to draw an image onto another image object but use an alphamask specified from another image that is grayscale.
I am drawing an animation manually so don't want to do this pixel by pixel as this would be extremely inefficient.
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Sep 15, 2009
I'm having a problem getting the src of the image the mouse is hovering over in a webbrowser. I can get an href just fine, just not an src. To get the href, I used this
Something = Webbrowser1.Document.ActiveElement.GetAttribute("href")
When I try to do it for an image, nothing happens. How do I get the image location?
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Oct 3, 2011
I am trying to edit an image. I can open the image with Picturebox1.load(mypicture)
I can change the pixels/edit the picture by Dim img as new bitmap(picturebox1.image)
[Code]...
now here is the weird part. When I save the image the filesize INCREASES..but the picture dimensions are the same Example... TEST.PNG 1.3KB, when opened up via picturebox/saved the image is now 2.3KB
not sure why...i even though I specify system.drawing.imaging.imageformat.PNG
samething with JPG... it actually SHRINKS it evenmore.. example 88KB jpeg.. saved as jpeg is now 47.7KB...
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Feb 8, 2010
i'm doing a simple form tat could add picturebox during runtime and i could add several picture into it.
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May 19, 2010
Can i make from this image to make it Loading Screen I mean i put this in Form1 [URL] And i want when the program start the progressbar (the white line to load)
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Jun 13, 2010
How do I save an image and then reload it from My.settings
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Mar 18, 2012
I am trying to read a 16bit binary file (tif image) and pixel values of the image ranges from 1200 to 4500. I tried to use BinaryReader using ReadUInt16 but I get EndOfStreamException Unhandled error. ReadByte method works fine with an 8bit tif file. I do not know how to read a 16bit image file using binaryReader. Shouldn't I use ReadUInt16 since values of pixels range from 1200 to 4500?
[Code]....
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Jun 8, 2010
Screen and send are both bmps:This is what I've tried so far but it doesn't work
For y = 0 To screen.Height - 1
For x = 0 To screen.Width - 1
If getpixel(screen, x, y) = getpixel(send, 0, 0) Then
[code].....
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Mar 25, 2009
I want to load picture dynamically within VB.NET and the following code does not work due to 'loadpicture' not existing in VB.NET.
picturebox.image=Loadpicture("tick.jpg")
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Mar 18, 2009
i have a problem in loading an image from a file in vb.net. I have the following code in the class of my project.
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
[code]....
So, now I've exactly used this code to load an image from a path specified. Still, i seem to get a blank form when i run. im quite sure about the path and the existence of the file. Also, the exact piece of code is also available at: Draw an image : Draw Image2D GraphicsVB.Net Tutorial So, now do i have to insert a picture box to se the loaded image. Its like.. ive used the graphics thing to draw the image. so i reckoned that picture box was unnecessary.
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Feb 6, 2010
Is it possible to load an image into a picturebox when that picture box is clicked? What would the syntax look like? It's an image that I already dropped onto the form that I would like to load into that picturebox.
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