VS 2010 - Picbox Looses Image Content
Jan 18, 2012
I work in VS2010 VB.NET and I have a form with a Picturebox (PicBoxContent) and a Combobox (LstMonths) that have all the months names.All I want is to draw a rectangle in the PictureBox with the content of Ms.SelectedItem inside it.
[code]...
All works perfectly but, when I minimize the form or if I call another form in the front of it, when I return the focus to the form, the conten of the Picturebox becames erased...How can I resolve this problem?
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Aug 2, 2009
How can I make it so an Picturebox overlaps another picturebox I mean so that the first image that is under the second will be on top and not the second one is there a code for that I can contineu my project as long as I don't know this
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Jul 2, 2010
I have a form with two overlapping images. The images are exactly the same size and location on the form. The upper image is a GIF and is set to transparent. I have set the lower image as a parent of the upper as follows:
Me.PictureBox4.Parent =
Me.PictureBox1
The transparency works fine but for some reason the upper image moves to the lower right of the parent image when I run the program.
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Nov 18, 2009
I have two images on my VB pictureBox one of it is randomly generated on the picBox(to any location) and the other is a normal image that can move around the picBox area using left right up and down buttons. The problem is that when ever the normal picture gets to the random one, it goes under the random picture and the task is to restrict the normal picture from going into the walls of the random one. when it gets to the wall, top, bottom left and right, it should stop moving.
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Apr 16, 2010
If you drag something like a picture in explorer it displays its icon or thumbnail ,can this be achieved in vb.net? ,i have two forms ,form1 is a boarderless form with just a pic box ,now i can drag n drop this to another form with easy. but is thay away to display its thumbnail while dragging said picbox image?
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Jan 30, 2012
Im trying to make the "Next" button .enable = False if the .image in the picbox is empty. But for some reason its failing me >.>
Private Sub picBox_ImageChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles picBox.ImageChanged
If picBox.Image = Nothing Then
[Code]....
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Nov 2, 2011
I am developing a system to predict the content of the image using RGB Values. I am storing average values of red, green, blue along with content name in four columns. I am retrieving the content using sql query
select FEEDBACK FROM feedback where RED>@rl and RED<@rh and BLUE>@bl and (BLUE<@bh) and (GREEN>@gl) and (GREEN<@gh)
But is there any way to train these stored values? Like machine learning /neural network etc??
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Jan 18, 2012
I have been learning a bit of jQuery and .Net in VB. I have created a product customize tool of sorts that basically layers up div and add's text, images etc on top of a tshirt.I'm stuck on an important stage!I need to be able to convert the content of the div that wraps all these divs of text and images to one flat image taking into account any CSS that has been applied to it also.I have heard of things that I could use to screen capture the content of a browser on the server which could be possible for low res thumbs etc, but it sounds a little troublesome! and it would really be nice to create an image of high res.I have also heard to converting the html to html5 canvas then writing that out... but looks too complicated for me to fathom and browser support is an issue.I'm thinking perhaps I could do with two solutions for this. Ideally I would end up with a normal res jpg/png etc for displaying on the website, But also a print ready high res file would be very desirable as well.
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Mar 4, 2010
Here is a simple code i have put a timer with 4 seconds interval.If i start dragging the form with keeping the mouse button pressed and when the timer tick event fires i am changing the Me.ShowInTaskbar to reverse at that time the mouse looses the capture. Is there any way to keep it draging even after changing the ShowInTaskbar state.
Public Class Form1
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Me.ShowInTaskbar = Not Me.ShowInTaskbar
End Sub
End Class
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Sep 22, 2011
I want to show html formatted string in my winform application. What control should I use?
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Sep 23, 2010
I have a form with a ListBox and AlloDrop property to TRUE.If I DRAG a file (FILE1) into the ListBox the Item is added nicely.However when I drag a next file (FILE2),even when I am dragging the FILE2 and LISTBOX takes focus, looses the previous item already in the box...(ie FILE1)....
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May 26, 2010
How can I zoom into monitor to see a pixelated image of the screens content?
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Apr 30, 2009
I have two forms, one has a textbox on it the other also has textbox on it. Form1's textbox is the source for text found. form2's textbox contains the search criteria.
This the code that I quickly bashed out to do a find functionality of a textbox. The problem is the last line of code. If I use the last line of code the the Source Form.s textbox is highlighted however if the Source Form is Maximised then the Find form will be hehind the Source Form. I don't want that to happen. Secondondly if I dont use the last line of code then the the text isn't seleceted at all.
Private Sub DoFind(ByVal xControl As Control)
Dim x As Boolean = TypeOf xControl Is TextBox
Static Dim lastfoundPosition As Integer = 1
[Code]....
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Jul 31, 2009
i know vb6 but i am currently trying to teach my self vb.net how to draw grid line onto a picbox ie both horizontal and vertical lines so i end up with a grid affect
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Jan 13, 2009
how to change a background of a load form from a picbox?? i use this but still doesnt change
[Code]...
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Feb 2, 2012
I have several picture boxes on a form (frmMain).My question is, how do I paint a point on a particular picture box at the location specified by the coordinates of the current mouse position? The snippet below shows defining some canvases and pens. But I'm not sure how to capture the mouse position when the mouse is over a particular picture box and how to paint the actual point at that location.[code]
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Apr 1, 2009
I have a form, with a split container, and a picbox in the right container.I need make everything resize according to the picbox size? I cant get it to work!
picbox min size cant go below 320x480 everytime i try to have the code do it, either nothing changes or the form gets tiny!?
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Nov 18, 2008
i've drawn two boxes (one with spotcolour color of orange) in a picture box. box a stays fixed at the bottom and box b can move. i've restricted box not move outside the picbox, but it needs to change color (to red) when it touches the picbox, and i've tried can't seem to do it. boxb also can't overlap boxa.
[Code]...
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Jun 12, 2012
I need to save the contents of a picbox to a jpeg file.I suspect the error exists because I do not actually load an image, but draw lines on its using picbox1.addline(), but I do not know how to fix this.
[code]...
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Feb 22, 2011
I tried to use this code but it will not show in my listbox
Form Load
Private Sub Choose_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
If My.Computer.FileSystem.DirectoryExists("C:ACCOUNTSAccountUserlist" +
[Code]....
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Dec 30, 2010
I have a sample app here I could use a hand with Basically I'm trying to update the TextBlock on the main page using MVVM when the content the frame updates the the property. Please find the code attached below:[URL]..How do i get the button inside the frame to change the variable and update the TextBlock on the parent control?
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Jun 20, 2009
loop through a textbox control content and extract specific content from it
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Aug 12, 2011
My DateTimePickers are retaining their values from one added record to the next. How do I empty their Value contents after each record is saved?
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Jan 20, 2012
I'm looking for a way to create PDF with dynamic content. When you google for it, you get 1000 hits on how to dynamicly create PDF's, but thats not what I mean.
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Feb 16, 2012
I want get content from a website by url be input from textbox1 and output in textbox2 is this post content.
It isn't type html because I search and test but not show this post content, it show all code html pages of url.
Youtube video
demo :
Link content copy : Click Here
Link content source : Click Here
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Jul 19, 2011
I'm currently in a "course" (mostly self taught with some guidance) and I'm hitting a wall in one of the tests.
The idea is to read out a text file, loop trough the list and replace the content if the item from the text file is found in the list. I've got it fixed up until the replace part:
Dim SplitFirstCase(3), SplitSecondCase(3) As String
Try
FileOpen(1, "orders.txt", OpenMode.Input)
[Code]....
The loop works, but it seems that splitting the selected object isn't allowed. Value 0 is the article number, and based on wether the value returns or not the selected object needs to be replaced.
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Jul 11, 2010
I have a folder named test. In this folder there are 3 folders(u_test1, u_test2, u_test3). And in this 3 folders are some files.
Now I need to transfer the folders u_test1, u_test2, u_test3 and the content of the folders to a ftp server.
I have tried the following code, but with this I can only upload a single file.
My.Computer.Network.UploadFile(sourcepath, "ftp://" & global_destination, global_username, global_password, True, 500, FileIO.UICancelOption.DoNothing)
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Nov 25, 2010
1)This is my code.. (below)what i am trying to do here is to insert username and confirmed password into a sql table called login via a pre created form.I have 1 textbox, 2 Maskedtextboxes and a button.
what i would like is if the passwords do not match in both maskedtextboxes for the system to throw out a message saying passwords do not match please try again..which then clears previous content and requires the user to enter details again. once details are correct and system commits the new user details to the table and throws up a confirmation message.
[Code]...
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Aug 31, 2011
how to count the content of a specific directory?And how do you delete an old file (ex. say your old program that create a back-up. But it has already created many back-ups and now it takes to much of the space in your hardisk.)
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May 19, 2011
I added to my project a *.mdb database file, and I use it with a DataGridView. In this DataGridView I have a name and a web address. It is possible to click on the web address and this webaddress to be opened in WebBrowser1 ?
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