VS 2010 LockBits Format32bppArgb?
Mar 6, 2011
My blurring results have been somewhat strange lately, so I tried this simple test to see what the ARGB order is when using LockBits. When I run this
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim bmp As New Bitmap(1, 1)
Using g As Graphics = Graphics.FromImage(bmp)
g.FillRectangle(New SolidBrush(Color.FromArgb(&H11, &H22, &H33, &H44)), New Rectangle(0, 0, 1, 1))
End Using
[Code]..
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May 30, 2012
Which would be better to use if I want to find one pixel?
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Mar 23, 2009
When I converted small application from C# to VB, a little problem appeared. Method, which used to take 110-120ms, started to work about 500ms (and it's very big difference for this kind of application). So, I've made detailed comparison, and here is the result:
[Code]....
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Nov 29, 2009
In duplicated code using Lockbits in VB to obtain the address of Bitmap.Scan0, the first is OK, in all applications, but the second NEVER is. What is the explanation please? Surely both StartAddrA and StartAddrB should be valid pointers to Bitmap.Scan0 for calls to valid, functional ASM code in the functional DLL. The error is, it seems, in the VB Lockbits process. Using VS2010 Beta 2 and XP.
[Code]...
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Jan 13, 2010
I've made an Aero-style form header (see signature) and I wanted to speed it up, so I used LockBits, and it had a different effect. These two methods should do the same thing, right? Well, it doesn't. Image 1 is before LockBits, Image 2 is after. Using LockBits gives a streaking effect that I don't like.[code]
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May 22, 2010
I have this code to blur an image (a rewritten one from my Vista Forms project):
[Code]...
And it works fine for blurring a picture, but when I pass it a rectangle (and I know the rectangle is correct), it ends up stretched and very thin. I've attached a screen-shot of it "working". The red rectangle is the rectangle I pass, and the warped sort-of red area is where it seems to be blurring.
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Dec 23, 2009
I tried using LockBits to blur images, since I heard it was faster, and there's no error, but there's no blur either. It doesn't do anything. The commented-out code is the code I had before using LockBits, and it works.
vb.net
Private Sub BlurImage(ByVal img As Bitmap, Optional ByVal radius As Integer = 3, Optional ByVal blur_bounds As Object = Nothing)
Dim bb As Rectangle
[Code]....
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Oct 2, 2010
When trying to import CrystalDecisions.CrystalReports.Engine, and CrystalDecisions.Shared. I'm getting a green line. What might be the problem?
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Jan 8, 2012
I'm new to visual basic, used it for a few months. My friend is addicted to using a program called Wpe Pro [URL].. and he wanted me to make it more advanced and able to do more stuff.if you no anything about this program please message me
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Aug 4, 2011
VB.Net 2010 program .exe on PC with Excel 2007 gives error when cannot find Excel version 14, which is Excel 2010 I have developed a program in VB.Net 2010 which reads from an Excel spreadsheet. It works fine in the IDE on my computer. I built an .msi and executed it on my computer. I get "Error: 53 - Could not load file or assembly 'Microsoft.Office.Interop.Excel, Version=14.0.0.0, Culture=neutral,PublicKeyToken=71e9bce111e9429c' or one of its dependencies. The system cannot find the file specified."
The only version of Excel on my computer is 2007, which is version 12.0.6557.5000. The version the error says it needs, version 14, is actually the version of Excel 2010.I have put in MsgBox statements to find where the error occurs.
[Code]...
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Jan 5, 2011
At present I have wrote an application (in-house CRM, vb .net 2010) which allows me to send emails under the selected customer & I categorised these emails.As these are categorised I can return data to display email history in my program by using search criteria:
Dim oMail As Outlook.MAPIFolder = oNS.GetDefaultFolder(Outlook.OlDefaultFolders.olFolderSentMail)
Dim sSearch As String
sSearch = "[Categories] = '" + "[" + tAccount.Text.Trim + "]" + "(" + tShipTo.Text.Trim + ")'"
Dim oItems As Outlook.Items = oMail.Items.Restrict(sSearch)
However the limitation to the above is it only looks at sent items & no other folder.My ideal solution would be to display all email correspondence for a certain contact.
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Jun 6, 2012
The situation: when i build my project (or publish) Visual Basic 2010 makes and exe and a couple ddl files. when i run the project with the .exe and the other files the program works perfectly.
My problem: I want to share it with friends and it is just a verry little program ( a n internet radio) so i want it to be 1 .exe with out any other instalation needed so i can easly share it to anyone who wants it. when i make an even smaller program and Debud->build it, it is only 1 exe and no instalation needed. so is there a way to make my program to 1 exe only?
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May 26, 2010
Basics Details:
VS 2010
Making an Addin for Excel 2010
Win 7
Problem:I am not getting the cursor (4 arrowheads) for moving the form.I am using the Panel1_MouseHover to display the cursor. Right now if I choose any other cursor then it is working but the same cursor also displays when I hover the mouse over any other control. I want the cursor to show only in the areas of the Panel where there are no controls.How do I show Tooltips for the images? The play,stop,next, previous,playlist,Hideme(with the smiley),volume are all images and not buttons?
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Jun 21, 2010
Well I used the Visual Studio 2010 installer to install my application and I want it to be able to change the version displayed in the in the Add/ Remove Programs (in the Control Panel). How can I do this without going through the install wizard again?
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Aug 19, 2011
If I create a DLL using VB 2010 express can it be used by previous versions of of .Net (3.5, 2.0)? Will the DLL use .Net 4.0 components, which is what I want. I don't see a way to force that to be the case.
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Mar 26, 2012
this is my very first posting and I must say I am desperate. I have a VB assignment due in 2 days and I am so lost. I have written a code to draw some graphic, just a basic house, tree, sun etc. I have also written a code to magnify said graphics which were all the specifications of my Assignment 1 part A. Now for Part B I am being asked to extend my program so that: A - My graphic can be drawn using different colour schemes designed by me but chosen by the user B - My graphic or an appropriate part of it can be animated around the picture box if the user chooses to do so. C - Error checking is included.
[Code]....
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Jul 16, 2011
it's just for a program registration. i would store all of the registration codes in the access database, then export it to XML, then upload it to my web host. I would then somehow connect it to my Visual Basics login form (Which I have already made). If this can't be done, having them register through the form and having all the allowed codes on the internet (So i can easily edit them)!
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Mar 7, 2012
Is it ok to install my VS 2010 Ultimate even if I already have VB 2010 Express Edition? or should I uninstall the express edition first?
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Aug 11, 2011
well until a few day ago. I don't know what I have introduced to cause the problem but now, whenever I load the project, VS 2010 (SP1) crahes. If I delete the project's suo file, the project loads (really quickly) and all is well until I exitVS 2010. When I re-run it and try to load the project, it crashes again unless I delete the suo file.The program can be built for x64 and x86. Now, when I reload the project (after deleting the suo file), it comes up in Debug - Any CPU mode. I can change from Debug to Release and from Any CPU to x86 but if I try and change from x86 to x64, VS 2010 crashes.This is not always the case though. If I build the x86 version and then switch to x64, all is well and I can build the x64 version. Obviously, there's something wonky going on.
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Feb 14, 2011
I need to write from VS 2010 vb.net dataset into a newly created xlsx file.
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Nov 3, 2011
Here are my questions concerning VB 2010 Express:
1. I've registered my VB 2010 Express, will it still expire?
2. Will the applications I made using VB 2010 Express expire after some time?
3. Is it OK to write my code in the designer.vb file? I don't know why, but when I started writing my application it took me to the designer.vb instead of form1.vb code.
4. I've been working on an application for a week now, but suddenly I can no longer access my Design View(Shift-F7). All my codes are written on the [form name].Designer.vb. I can still view my codes but I cant access my form layout. On the solution explorer, my forms no longer have the 'form icon'. When i press Shift-F7 nothing happens. Right-clicking the form on the solution explorer doesn't show 'View Designer' option. How can I fix this?
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May 16, 2012
I have a datagridview populated from a CSV file in vb.net. I have 2 datepickers, 1 button. see the attached images. Image1->before filtering
[Code]...
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Nov 6, 2011
Dont be afraid to spam the thread with things you can create.The more the better!
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Mar 18, 2012
I'm having a little trouble trying to read a word document in vb. how to get the text out of the word document would be great.
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Apr 1, 2012
Syntax error (missing operator) in query expression '''system time'''.this is the error that appears
this is my code:
Dim sqlCmd As String
Dim x As Date
x = Format(Now(), "General Date")
[code].....
the fields in the tables are all text fields.is there any way to fix this error? perhaps it is in my query but i really cant find a solution.is there an alternative to get what i want my program to do?it is basically entering an ID number and finding the record with the same idnumber and putting the system time on the timein field for that record.
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Apr 20, 2010
I have the following extension method. However, when I type "File." this method doesn't pop-up. What did I wrong?
[Code]...
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Nov 20, 2010
How can I filter data from dataview by Date Like 12-05-2010 to 20-11-2010
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Sep 17, 2011
I programmed an app with an Access 2010 database, I installed the app and the database on a computer with office 2007. The app can't open the database. Do I need to copy some extra file on the user's PC?
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Mar 16, 2010
I just downloaded the Visual Studio 2010 Express for Mobile Phone. C# is the only language available. Will Microsoft add Visual Basic as well? When?
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Apr 20, 2012
With a Windows form that I would like to be a DDE server. I know that DDE is not natively supported in VS 2010/11 so I'm using the NDde.dll to add DDE functionality to this program.
Objective: Create a windows form to act as a Pop-up notification that has a textbox field. This textbox field must be selectable in order for users to copy a text string to the clipboard and paste into another program that does not support DDE.
Overview: A phone system has an on-screen agent program that triggers a pop-up form, the DDE Server, when an incomming call is presented. When the agent accepts the call the agent program, acting as a DDE Client, registers a DDE session, Application=phnserver and Topic=callerid. Then communicates an "OnExecute" command to the DDE Server followed by a number string. This string should be presented on the pop-up form in a text box. Once the call is completed the agent application will issue a command to close the pop-up form.
Below is my current code.
CODE:
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