I have an image with a button for zoom on it. I want to zoom-in and zoom-out the image with mouse scrolling up and down, right and left. Can anyone help me with some example to understand how this can be done?
View 3 RepliesI want to Use Picturebox_MouseCaptureChange Event Arg to zoom in on a peice of a PictureBox.Image. The Help Search says there is a zoom and a pan function on Systems.Windows.Controls But I cannot find it in the add reference component of the Visual Basic 2008 edition...I have one program that I did that allowed me to zoom using a TrackBar here it is...
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The problem is that I cannot get the trackbar to zoom any closer that the top left side of the controler....I need to zoom and then pan around the image.
I program for wm 2003 -pocket pc. in vbnet 2005. I have a picturebox which I load images into it with buttons click. I have another 2 buttons called zoom in and zoom out, what should I do with this buttons that it will function as zoom in and zoom out.
View 1 RepliesI have a problem with the RichTextBox on my form. The problem is that the zoom factor of the RichTextBox control does not work if I call the "Display()" sub more than ones. Does any one know what would be the problem? Here is the sub I am using to set the text on the control.
VB
Private Sub Display()
' Enable users to select entire word when double clicked.
DisplayRTB.AutoWordSelection = True
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How can I zoom in/zoom out screen display? This is to be used for people having eyesight problem. I want to control the screen resolution by percent and not to any fixed size provided in control panel/display settings.I have to control the output of the main display and zoom in/zoom out by percent, according to user's eyesight matching
View 3 RepliesIs there a way to zoom in and zoom out document in webbrowser?
View 1 RepliesI created a Zoom in and Zoom out function for my application and it works great. I would just like your opion on my code, because I am wondering if it can be done a bit neater and more effective.
ts = ToolStrip
cms = ContextMenuStrip
vb.net
If Me.Font.Size < 30 Then
[Code]...
Me.form.font changes the font of all the controls except toolstrips, contextmenu's and menustrips.
Any idea's if this can be done any neater or how you can make menustrip etc.. use the font of the form?
Edit:This is the Zoom In version btw. The Zoom out is identical except it uses - instead of + when declaring the newFontSize.
vb.net how to add functionality of zoom in and zoom out
in AxWebBrowser in vb.net using buttons .
I am able to do it using ctrl + mousewheel but how to do it programatically.....
If I open an excel file in the axwebbrowser then this functionality will work or not ..
how to zoom in and zoom out a richtextbox in vb.net.
View 4 Repliesi have map of a State, i need to let the user to Zoom in amd Zoom out and show some buttons on the Picture if we zoomin or zoomout the buttons also will be moved according to the location like google map how to achive this?
View 9 RepliesThe following works:
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However, the following doesn't work:
I am having trouble figuring out how to get my function (lines 45-57) to work. Option Strict is supposed to be on. I am getting the error "Option Strict On disallows implicit conversions from 'Decimal' to 'String'." This is an intro problem so its going to be basic. [code]
View 2 RepliesI expected the "Left" function in the code below to return the letter "A" but it returns nothing? Also, as a further test, Left(CP, 3) returns nothing?
View 3 RepliesI have the following function written for dot net 3.5 that uses "ElementAt()" to successively return a value from a dictionary collection.
Public Function GetNextEntryInfo() As EntryInfo
If mFileInfo.Count > mIndexLoc Then
Dim entry As EntryInfo = mFileInfo.ElementAt(mIndexLoc).Value
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Basically, I'm trying to do some string manipulation to edit directories. I found some code to try and edit the directories, but when I use it it doesn't recognise 'right' as being a function and only recognises it as a right property, thus producing an error.
I was wondering if there's something I haven't imported or if perhaps 'right' is an obsolete function that was used in VB6 but replaced with something. The code I have is as follows:
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I'm using some functions which can be compared to encoding/decoding, but it's a really simple and basic application, not really an encoding function.The problem is, the decoding function doesn't seem to work. For some reason, it doesn't work correctly, and I'm a bit stressed, so even after searching for a while, I can't seem to find it.[code]
View 2 RepliesI want to change my default keyboard Layout for a installed another Keyboard Layout using my VB application.I googled about this and find Function LoadKeyboardLayout() Function to do that.But Is this support in vb 2010.When I wrote below code and there is no syntax error.But when I run the program there is an error called "PInvokeStackImbalance was detected." How can I solve this in vb 2010. Here is my code:
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I tested every example I found but it doens't work in vb 2010 express... Do I need to install anything moor to make it work?
View 2 RepliesI am creating an text encryption/decryption for my friend and I to use on facebook, because his parents read his messages. I made everything correctly, but when I hit the buttons they don't do anything.
VB
Dim strString As String
Dim strString2 As String
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim strString As String
[code]....
i got 5 treeview with checkboxes when i click button update i need to uncheck all the checkbox i also got a button which can clear all the checkboxes which it uses javascript function to clear i was wondering whether execute update after tat execute clear button automatic? it tat any way to implement this function? here is my java script of clear button which word perfectly
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In cell A1 of Sheet2 I have the following text [code]how to I get VB to recognize that the 4<sup>th</sup> character of the string has character code 63?
View 3 RepliesI have work with BindingSource in VB NET 2008
--
dim bsA as new bindingSource
BsA = DB
DataGridView.dataSource = bsA
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but data has changed this is correct ?I don't wont change this data what I have to do ?
On my software , i have a function for search in the list a member . The function have more fields : Girls , Boy , Old , etc ... but the software doesn't work correctly. I want him to search with several conditions, adding AND. Here is the code :
Vb
For Each MemberALister As MemberInfo In _Listemember
If Me.Girl.Checked Then
If MemberALister.Nom.Contains(Me.Genre.Text) Then
[Code]....
I am migrating project from .net 3.5 to .net 4.0 and faced the following issue. There are 2 DllImport statements:
<DllImport("hid64.dll")> _
Public Sub GenerateHardwareID( _
<MarshalAs(UnmanagedType.LPArray, SizeParamIndex:=1)> ByVal Buffer As Byte(), _
[Code].....
I'm doing a baseball program for a class project. And I almost have it complete, but it's giving me a syntax error. I can't figure out what i'm doing wrong. I'm using two functions to return a value for different type of baseball tickets to the button that calculates them. Here are the instructions 1.)User selects whether to purchase season tickets or single-game tickets 2.) User enters the number of tickets needed and the type of seats based on whether they selected season single-game tickets.3.) User clicks the Compute Ticket Cost Button to display final cost4.) User clicks the Clear Form button to clear the responseI just can't figure out what I did wrong. I know it's something stupid that i'm doing.the errors are happening inside the btnCompute sub routine. with syntax erros on SingleGameCost() and SeasonalCost() line 114 and 118
Public Class Form1
'Global Variables
Dim intTicketChoice As Integer
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I am having issue with this function where wait_rtn statement does not work and errors out with error 0. it is suppose to search the screen and if it finds (true) get out of the loop...
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In vb.net, it is possible to design a function which can operate on generic parameters which meet multiple constraints. For example, it is possible to have a function accept as a parameter a class which inherits from Control and implements IList. This function could use "Control" or "IList" methods on such an object, and also pass the object to anything that expected a Control or an IList [note that this particular combination was chosen to facilitate a brief example, not to be a particularly useful combination].
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This approach provides compile-time type-safety; there's no need for a cast that could fail at runtime. An alternative approach would be to pass the argument as either a Control or an IList, and have the function cast to the other. That would, however, fail at runtime if the object that was passed didn't in fact meet both constraints.
Under what circumstances is it good to use a generic function like the above, in what cases would it be better to have objects which are going to meet both constraints have a new interface like IListableControl(Of T) which would include a TheControl property that would return itself (cast as a control), and in what cases would it be better to have a generic ISelf(of T) interface, any implementor of which would be expected to provide a "Self" property that would return itself as a T?
Using multi-constrained generics, it's possible to do a lot of things without requiring any run-time typecasts, but I don't know what the performance costs are likely to be. I tried writing a short program to generate 65,536 different generic types at run-time, e.g. Foo(of Bar(Of Foo(Of Foo(Of Bar(Of Foo(...(Of Blah)) and it got pretty slow, so I can tell that the time required to handle generics isn't fixed, but I don't know what factors affect it.
this is my code:
axWebBrowser1.Navigate(url,
ref flags, ref targetframe, ref post, ref headers);
this
[code]....
Im using TCP cliente to connect and receive data from my server. To read received data im using this code:
[Code]...
It works fine when server response is detected but when there is no connection or there is no server respone the program starts to crash and doesn't work, so i have to break the debuggind process.
I am a new visual basic programmer. I have found that with Chrome I can press CTRL-+ and the screen will zoom in and CTRL - and the screen will zoom out. I have not figured out how to do this with webbrowser1. Is there something I can do, such as:
[CODE]...