Winforms - Add Text To Form Without Interaction?
Mar 14, 2010
I have a winform project which lists all the files in a specified folder. It allows the user to select a new destination for each file, and when the user has chosen the destinations for all files that he would like to be moved, it moves the files, one by one.My next step is, I need to display a confirm form when the files are being moved, and add each file's name and destination to the confirm form as it is being moved.How can I add more text to the confirm form's controls after I already loaded it (using confirm.showdialog() from my other form, without any user interaction? I imagine that I need to do it from the original form, because it needs to display each one when it starts to move that file?
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Oct 14, 2009
I'm trying to make an application which will log me into a site and read the text of the site and display a certain part of that text in my form. I'm stuck at the login, its a .php page with 2 text boxes, 1 check box and 1 button.Is there any way to manipulate those objects by using controls in my form?
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May 7, 2011
I have set up a scrollbar to have a value between 0 and 264 (i.e. 0-255 when taking the width of the slider into account). I also have a text box that is set up to display the current value of the scrollbar as an interger. However I am currently unable to enter a value in the text box which also moves the scrollbar to its equivilent position. The closest I've been is when I was able to change the value but kept ending up with an error when a number above 255 was entered or when there wasn't a number in the text box.[code]What I am after is to be able to enter a number between 0 and 255 (and only a number between 0 and 255)in the text box and it change the position of the scrollbar accordingly and to omitigate the errors which occur when there is nothing in the text box by accepting an empty box as 0.
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Dec 5, 2011
I have two forms Form1 and Form 2. I am passing a function with three values from Form1 and want the load event of form2 to trigger this function.. Basically I want to "paint" the values of qseq, midline and hseq on form2
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code].....
When I run this, nothing gets printed on form2 as when load event is triggered thee drawstring method is not called. how can I call drawstring from load method as drawstring takes in arguments and is called from Form1 class.
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Mar 11, 2011
is there any way to make the form title(form1.text) moving?like marquee in HTML?
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Sep 1, 2010
On my program the user clicks a button which then runs the main code for my program. The problem is once the code is executed I can no longer move or interact with any form boxes, reliably at least . Sometimes there will be a period of delay where I can move it for an instance. Is there anyway I can make it so that my form is able to be moved while the program is running?
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Apr 8, 2010
I have a small program I have designed to be able to sit in the background on my desktop, and whenever a new form is given focus (foreground) it's title and thread are recorded.
However, I would like the program to also report to me the X and Y coordinates of the foreground form. Could be any form NOT one that is attached to my program.
[Code]...
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May 24, 2011
I've written a program using Visual Studio 2008 Standard Edition in Visual Basic. It's a Windows Forms Application. The program is very simple, it just reads a directory of text files, parses the text and outputs another text file as .CSV file
for import into Excel. There's no user interaction required but it never displays the form and therefore the progress bar. If I put a GO button on the form and modify the program so that the subroutine that does the processing isn't called until the user clicks GO it shows the form and the progress bar etc. How can I make the program run at startup, show the form, show the progress bar and then pause for 10 seconds or so and then exit?
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Dec 30, 2011
I have a normal textbox which multiline property is set to true and now I need the text written in the textbox should have a large font size.So is it possible with the normal textbox.[code]...
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May 14, 2010
How can I disable the parent form when I call a child form?This code doesn't disable the parent form like I thought it would:
frmChild.ShowDialog()
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Jun 30, 2011
I would like to know the event order of form which is executed while opening form. I am showing my form using following code and the code in form_load event executes twice. Once when the form variables are initialised and second when form is displayed. I want it to execute once only. form showing code:
[Code]...
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Jun 21, 2012
I am just adding validation into a new winform. I am using the validating and validated events, in conjunction with an error provider control.No problem with first validation (ie. if user enters more than 12 characters). Error is set in validating event, and error stays until user enters 12 or less characters. Validated event is then entered and error is reset to empty string.
However, there is a problem with the 2nd validation on same text box. The code checks for zero length in text box.. and sets error with provider. Watching in the debugger, this code is indeed invoked, and error is set ok. Then something weird happens, the validated event is (unexpectedly) fired, and the code there promptly resets the error. Why is the validated event fired when there is already an error set ? This seems like a .NET bug. Can anyone suggest another way of doing this, or say what I am doing wrong ?
[Code]...
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Jun 21, 2012
HStrange Issue Validating Empty Text Box in Winforms
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Aug 4, 2009
I have a ListView with 3 columns, how do I add specified text to the specified column I want? I've looked at the ..Add function, but it doesn't take the column index.
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Aug 10, 2009
I dynamically create buttons on a form and use the button text as ids so that I can pass that to an SQL query to pull saved data about that button when necessary, but I also use an image over buttons that have information saved about them. What I need to know is how do I keep the text on the button from appearing when there is an image assigned to that button? By default vb.net shows both the text and the image and no TextImageRelation values allow for the image to take precedence. I tried changing the text color to transparent, but the outline of the text is still visible through the image. Is there anyway to keep the text value as it is but just show the image on the button?
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Mar 28, 2009
I used to change the Form shape in VB 6.0 using the following code:Private Declare Function CreateRoundRectRgn Lib "gdi32" (ByVal X1 As Long, ByVal Y1 As Long, ByVal X2 As Long, ByVal Y2 As Long, ByVal X3 As Long, ByVal Y3 As Long) As Long Private Declare Function SetWindowRgn Lib "user32" (ByVal hWnd As Long, ByVal hRgn As Long, ByVal bRedraw As Boolean) As Long
[Code]...
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Jan 27, 2012
I am currently making an application to aid me in testing another separate application (both are made in VB.NET). I want my tester app to be able to enter info in a form on my other application. Since I have familiarity with both applications, I know the name and everything about the form I want to do things with on my testee app. My problem, is that I need a way to use this information of the testee form to get a handle or something that I can actually reference that form with in code for my tester app.
How can I go about getting this form? my only experience with something similar was getting the handle of a main window of a process, but that was a bit easier by doing this:
Dim iTunesID as intptr
for each process as process in process.getprocesses
if proc.mainwindowtitle = "iTunes" then iTunesID = proc.MainwindowHandle
next
However even that I am not really happy with because it needs to iterate through every process. and even from this, I am not really sure how to reference my specific window, since it isn't the main window in this case. I have tried searching for how to do this, but my search is a bit too vague I think as I just don't know what methods are available to use to do this or assist in doing it.
my first thought was something similar to above but with something like "for each form as forms.form in 'forms.formsrunning'" kind of thing, but I don't even know a command to get forms running, and though I guess I could probably find one, I am hoping for a better solution than iterating through all processes/forms.
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Jun 9, 2011
For couple of hobby projects of mine, I've been performing form transitions (fade-in/out, slide-left/right) using timer control, and I know its not the right way to do it. Using timer has its own disadvantages as it is a CPU hog if logic is complex and also, transitions are not smooth. So, I'm wondering how can I perform form transitions without using any timers and just by using native Windows API or any third-party library. I came across with FlowFX but found that it is limited only to .NET Compact framework.
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May 16, 2012
I would like to show a Form without focus - PLUS - I would like to have 'Enable Application Framework' enabled on the My Project > Application form. Having 'Enable Application Framework' enabled allows trapping of unhandled exceptions project-wide.
I have added this to my code:
Protected Overrides ReadOnly Property ShowWithoutActivation() As Boolean
Get
Return True
[Code].....
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Jun 23, 2012
when i add my form into the picturebox the background color is argb(152, 0, 136)
and i tryied to use TransparencyKey and Still the background color is 152, 0, 136
code:
Dim frm As New Form
frm.BackgroundImage = Image.FromFile(open.FileName)
frm.BackColor = Color.FromArgb(152, 0, 136)
[code].....
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Sep 21, 2011
I would like to have the tabs on my TabControl displayed on the left, or sometimes right. Unlike the System.Windows.Forms.TabControl, however, I would like the text to remain horizontal instead of being rotated by 90 or 270 degrees to the horizontal. Here are a couple of pictures illustrating the concept. Though I could write code to do this myself in about an hour or two, I just thought I'd ask first if there is any existing Winforms control that implements such feature.
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Jun 22, 2011
I need to write some fixed-width font (i.e Courier New or Consolas) text to a .net Winforms window in the Paint event - not using a label or any other winforms control - rather using a graphics object method to render the text onto the form's client area. I am having difficulty aligning text on different lines under headings even though it is fixed width font. How can I get a precise measurement of the width of a single character in the fixed-width font? How can I get 2 lines to print out aligned horizontally in successive text out calls?
For example:
Heading 1 Heading 2
Short Other text
A bit longer Still aligned?
I need a separate call to render each cell of text under Heading 2. For argument's sake - let's say column 1 items are printed in black and column 2 are printed in blue - we can't use the same text out call for the entire line.
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Nov 2, 2011
I have a data grid view in one windows form named "GridViewForm". When the user search for the text from the search box from another window form named "FindForm", I want to highlight all the matching result in the data grid view. The search type can be exact or partial.For eg.If the user search for the text "stack", then the words "stack" from [Stack, stack-over, stacks, stack exchange] should be highlighted and first cell that match the query should be selected. When the user press next button then another cell that match the search query should be selected.My code for finding the text is like follow for it search only the exact word.
Dim gridRow As Integer = 0
Dim gridColumn As Integer = 0
For Each Row As DataGridViewRow In AccountsDataGridView.Rows
[code]....
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Aug 16, 2009
I have a richtextarea with a bunch of text in it. I would like to somehow make it expand to fit all the text without showing scroll bars. I would like the width to stay standard and the height to expand. Is there a good way of doing this? I planned on looping through and adding a pixel to its height every time.. and then checking if the scroll bars are visible. There is no simple way of doing this in vb.net that I can find without using windows api specific methods.
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Apr 25, 2012
I've got an MDI form with child forms that I'd like to refactor to a single form with a tab control containing child controls, in order to move away from MDI clunkiness. When looking at converting the child forms into child controls (or usercontrols), I do see that I'd lose the FormClosing event, which some of the child forms use.
I can override Dispose to handle some of the functionality, but in some cases I'd like to cancel the closing event. Also, I'd like this event to be called before the control is closed even when the form it's on isn't closing, so wiring the control to the form's closing event isn't an option.
[Code]...
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Aug 13, 2010
I'm trying to write some toast-style popup notifications (similar to Growl) which should appear next to the system tray and stack as appropriate.I can handle the instantiation/location/etc... but I want to add a capability for non-rectangular toasts. I'd also like to have Alpha transparency so a semi-transparent background PNG on the toast form would blend with the desktop or windows behind it.
So... To get the obvious out of the way: Form.TransparencyKey is not sufficient for my needs as it's an all-or nothing transparency effect I want to get 50/50 foreground/background in some places, 0/100 in others, 100/0 in yet others etc.My initial approach is to override the OnBackgroundPaint() method, comment out the call to MyBase.OnBackgroundPaint and use the graphics object in the eventargs to draw exactly what I want to a form.This seems to work to start with - at the moment, I'm just drawing some rectangle for testing purposes so a PNG may present new difficulties but I haven't got there yet.
What I haven't been able to accomplish is updating the graphic - The first time the form is rendered, it shows perfectly as I'd expect (no border, just some rectangles floating on a desktop). If I move the windows behind the transparent window, the transparent window doesn't update/re-paintI believe that I need to be calling Me.Invalidate() to force a re-draw but am unsure when I should make the call - How do I know a window behind me has changed its' contents?
Edit: I tried putting a Me.Invalidate() inside a timer just to test how the redraw happens - it seems that it does trigger a re-draw but the re-draw opccurs OVER the existing form background - ie an area that was originally 50% opaque is now 75% opaque (50% + 50% of what was there before)So, after a couple of Invalidate()s, my form is showing as a black box - I need to clear the background of the form before re-drawing but Graphics.Clear(Color) seems to simply do a fill with the specified color - and obviously for the purposes of this question, Colors.Transparent doesn't really mean transparent - It seems to be a trick used when rendering the window to "show contents of control beneath this" which just doesn't work when we're dealing with the form itself?
Imports System.Drawing
Public Class TransparentForm
Private Timer As Timers.Timer
[code]....
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Sep 27, 2011
I have a very small VS2008 Winforms project that will not start.When I attempt to start debugging the project, I get the message:'<form>' is a type in '<project>' and cannot be used in an expression.From the file .Designer.vb.The problem is that is indeed a form. If I create a new WinForm and set the startup object to the new form, I get the same message.When I attempt to check the "Enable application framework" checkbox in the Project properties, I get the message "Startup object must be a form when 'Enable application framework' is checked.I've tried creating a new project and moving all the code and designer objects to a new form file in the new project, and same result.Other projects on the same computer run fine.
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Jun 11, 2012
In my software course, each time we submit an assignment, we have to include a document with the starting properties of each object in a form.
E.g.
TextBox1
Location: 241, 115
Name: TextBox1
Size: 100, 20
TabIndex: 0
It's a real pain to scroll through the properties viewer and copy and paste each customised value for 30+ objects on a form... I was wondering if there'd be an easy piece of code or way about getting an (at least partially) automated printout/view of all the properties of the objects.
Was thinking some sort of private sub I could past into the bottom of the program and run on load, that gets all objects, and outputs the non-default properties to a report or something?
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Apr 27, 2011
I have used the below code but its not showing the msgbox. What is wrong with this code ?
Private Sub frmSimple_Disposed(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Disposed
Dim result = MsgBox("Are you sure you want to Exit ?", vbYesNo)
If result = DialogResult.Yes Then
me.Close()
End If
End Sub
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Mar 28, 2011
I have VB.NET application in which one of the form has IE control in it, the application starts initially with memory size consumed around 9 MBs, but when IE form is launched, the memory consumed rises to 27 MB, and when that form is closed, the memory reduces merely by 3-4 MBs, so why memory allocated to IEFrame is not de-allocated automatically?
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