I would like to know how to get a image/screenshot of a Windows Form in .NET while it is running as it would have been seen in the designer/when it is first opened, i.e. without any text in controls etc. Basically I would like an image of the form as it's clean copy.
View 1 RepliesHow should i clean up after drawing to an image on a timer? I am getting a memory leak BTW I don't really understand why this is necessary; i mean shouldn't .net automatically clean up when an object has no longer any references to it?anyway here is basically the outline my
vb
Private Sub MainTimer_Tick(ByVal sender As Object, ByVal e As System.EventArgs) Handles MainTimer.Tick
...
Dim FaceBit As Bitmap
[code]....
I copy/paste controls in the projects, then I noticed that there are many controls are listed in designer.vb which actually are not being used. how can I clean these? will it affect the UI performance? or, it does nto matter at all
View 4 RepliesI need to save a form in it user browse image & set it to a PictureBox But on another button I need save that image to SQL Server .I have a stored procedure with Insert Command (with Image Datatype)
Browser Image from Desktop, PictureBox Code :-
Public Sub SelectImage()
With OpenFileDialog1
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But When I run the form it gives me error "No mapping exists from object type System.Drawing.Bitmap to a known managed provider native type."
I have a form which shows a graph which was made in Microsoft Chart control 6.0...
I have placed a option in the menubar which will export the graph made to an image file...
Can some one tell how to export the graph part of the form as a image (any format will do)...
I was thinking of taking a screenshot and saving it but i cudnt get the controls in vb to take a screenshot of a specified area on the form.
My Problem is that I am trying to view the database in Vb (windows form) but the image does not appear.All I can see is a small red cross where the image should be.I have tried both Datagrid view and Detail View.
View 3 RepliesI'm using VB 2010, accessing a MS Access database. I have constructed a simple Windows Form returning data from the db, one field of which has a reference to an image I'm trying to display together with the data from each individual record.
I have a field with a product number, that matches the jpg file name (ie, the product number 5505 matches an image that I want to display, namely 5505.jpg). I've even created a new field in the db called 'Image', that contains the full name 5505.jpg.
So, I've connected to the db with an OleDbAdapter, and all the data fields are displayed via bound textboxes. I've been able to display a single 'set' image with a PictureBox, but I'm not sure how the make the connection between the returned data (txtSearchImage which is, say, '5505.jpg'), and getting the Windows Form to display this.
Am I on the right track using a PictureBox? I've tried binding this via the PictureBox properties to the relevant data field, but (obviously) it doesn't make the connection to the image file on my hard drive.
Here's my code so far:
Public Class Form1
Private Sub btnSearchKits_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSearchKits.Click
' The following line passes the value the user enter for state
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IDE: Visual Studio 2010
Library: .Net framework 4
Language: Visual Basic .Net
Type application: Windows form
Code:
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Me.PictureBox1.Image = Image.FromFile("C:UsersDimaPicturesvisualwebripper - Copy.png")
Dim InstImageList As New ImageList
[Code] .....
Inserting remote image onto windows form in vb.net?
View 1 RepliesI'm still making a PC Cleaner, and I'm trying to make a cancel button for it, but when the I press the "Clean!" button in my application, you can't control the Form, I made a video of it.[url]...
View 2 RepliesI am converting an old Vb6 solution to .net 2.0 in vs2010. I've been working in C# for about 3 years now and .net for 5. I don't recall having this problem in C#, but if I want initialize a readonly collection of DerivedControlFoo Is there a clean way to do it besides creating a sub to do it all off somewhere else? I'd love to be able to do it at the class level at the declaration for readability and simplicity.
View 1 RepliesI've been searching for hours tonight searching existing posts, other websites and all i can find are examples of how to capture a image from a webcam.Does anyone have any code that simple talks to the camera device via WIA, and then saves every image found on the device to a hard drive?I found this code below. Credit i cant tell you as i have a bunch of different flavors of code, but this only saves the file as a tmp file, and not the actual image file i expected after selecting?
Imports System.Drawing
Imports System.Runtime.InteropServices
Imports WIALib
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I can't remember exactly if this is possible or not but what I am attempting I would think should theoretically be possible. I know it is possible in WPF but the company I am working for doesn't want to make the transition just yet. Basically what I want is to use a background image on a form for the background and I have a docked control on the right and left. I have set the background on both of these docked controls to transparent however it is showing the back color rather than the background image. I tried, rather than setting the background image property, to override the onpaintbackground and onpaint events and use e.graphics.draw(picture, me.clientrectangle) but it still seems to just pick up the backcolor as the true transparent background so I'm wondering if it's possible to get it to show the background image through the control rather than the backcolor of the form?
View 3 RepliesI hoping to find a current and simple way to do this. I'm using VWD Express 2008 and SQL Express 2008.I'm able to get the client's path to the image file using an asp:FileUpload control on the web form.
How do I upload the client's image file and display it in the web form's image control?How do I save it to the sqlserver? The image table is already set up with a "Image" data type column. Can the image be saved to the database as simply as other data types?
draw an image on form using an image in resources within VS2008VB instead of using C:userspublicimages
View 1 Repliesi have an assignemnt in my visual basic express 2008 class, were i have to type in an image name, like paris.jpeg,and automatically manipulate the file to be called paris-steg.png. Once this happens i click the manipulate image button and the image should be altered so that paris-steg.png has a message hidden in it. Then i have to decode that message. At this point im having troubel getting the file name to automatically appear as paris-steg.jpeg, and you will proabbly see why with my code. I need to know how to do this. The way i have it, i basiaclly add -steg.png onto the text typed into the text box, this doesnt work when the user types in paris.jpeg as it comes out as paris.jpeg-steg.png. heres the instructiosn and my code
(6) When the text file does not exist, alert the user with a message box and do not do any further processing.
(6) When the image file does not exist, alert the user with a message box and do not do any further processing.
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In this program you should read text from a file one character at a time instead of one line at a time. If <tt>sr</tt> is an IO.StreamReader, then <tt>sr.Read()</tt> will return an integer that is the value of the next character in the file. Use <tt>Read</tt> instead of <tt>ReadLine</tt> in this program.You can check whether a file exists by using the code <tt>IO.File.Exists(filename )</tt> . The function will return a Boolean value (True if the file exists but False if not).
You can check whether a string ends with a specified pattern by using the <tt>EndsWidth(pattern )</tt> function. For example, if <tt>s</tt> is a String, then <tt>s.EndsWidth(".txt")</tt> will return a Boolean value (True if <tt>s</tt> ends with the pattern but False otherwise).In a string, <tt>IndexOf(pattern )</tt> gives the first position where the pattern exists, but <tt>LastIndexOf</tt> gives the very last position where the pattern exists.The code <tt>s = Chr(i)</tt> converts the Integer <tt>i</tt> into a character and assigns the character to the string <tt>s</tt> .
find a current and simple way to do this. I'm using VWD Express 2008 and SQL Express 2008.I'm able to get the client's path to the image file using an asp:FileUpload control on the web form.How do I upload the client's image file and display it in the web form's image control?How do I save it to the sqlserver? The image table is already set up with a "Image" data type column. Can the image be saved to the database as simply as other data types?
View 3 RepliesI add a Image Control and a RichTextBox control to a from. And I want to darw a image by my codes.And then insert the image into a RichTextBox.
View 2 RepliesI had created a windows forms application in vb.net. It contained several windows. Now the users of that application are telling me to display all in one main form. They want to see all the details in one form. I had implemented MDI but they want something like tabs. On different tabs different forms should be displayed. How shall I implement this.
View 4 Replies[code] If there is an error inside the Using block how do you clean up the sr object? The sr object is not in scope in ErrHandler so sr.Close() cannot be called. Does the Using block cleanup any resources automatically even if there is an error?
View 3 RepliesI am completely new to ASP.NET programming, and was asked to work on a small project involving ASP.NET, VB (which I am new to as well) and Microsoft SQL Server 2005.Being used to php/java I was hoping to find some kind of similar API to php.net and the javadoc. It would be very useful to have as I would prefer to work with a text editor, instead of using DreamWeaver or Visual Web Developer.In the project I basically only need to use ASP.NET to read from a SQL 2005 database and write to JSON files. where to find a clean and decent API to work with?
View 4 RepliesHow to clean up a string in Visual Basic .NET? I'm creating a string as a report with line breaks. However, the string is built based off of screen scrapes from a TN3270 emulator. The string is saved successfully with all of the data I require, but those annoying rectangle symbols show up once I send it to a notepad text file. Do you know anyway I can strip those out and clean up the output?
View 1 RepliesI'm trying to clean-up after an exception, and I'm not sure how to handle a StreamWriter.[code]If somethingBad1 throws an exception, I don't need to do anything to sw; however, if somathignBad2 happens, sw has already been created and I need to close it. But How do I know if sw has been created or not?
View 3 RepliesI tried implementing the below code for receiving emails. I got it working but the email message format needs to be cleaned up. My objective is to extract the http urls. I listed 2 examples of email message output that I got. [code]...
View 1 RepliesI need to simply identify if a particular tag occurs in an XML document. At this point my XML solutions, much like my regex solutions, are based on limited knowledge and are far from elegant. Is there a better way to achieve the following:
For Each e As System.Xml.XmlElement In xmldoc.GetElementsByTagName("stat")
parse = False
Next
What the benefit for Clean Selection in vb.net
View 2 RepliesI'm currently making my first program, its an active directory clean up tool. Right now I'm having diffculty getting it to search sub OUs that it sees, I can get it to look at one layer of the sub OUs. I just want more of a dynamic code so I don't have to keep repeating it like I did do. Also I'm not sure that I'm looking through active directory the best way.
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I declared my multidimentional array like this:
Dim invoice_discountitems(100, 1) As String[code]...
Now how i can remove the filled items of this array?
I don't want to delete the contents i just want after the first insert to make combo box showing nothing..but when i will click i wanna see the list of items that it has!!!
View 4 RepliesI need to get strresult to give me a clean string with no punctuation from strinput. I wanted to store that in strresult. My main goal was to write a loop to check the textbox input - strinput for letters a-z and store them in strresult and compare the reverse of that to strinput. I can do codes like mom, and things like that and it reads them, but when i add characters like mom! and red rum, sir, is murder...I am not stripping the punctuation off correctly.
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