C# - .NET Expanding An Image While Preventing Clicks On The Form?
Dec 15, 2011
I am developing a WinForm application using VB.NET (I am fluent in C# as well, so post in whatever language) and have run into some trouble. I have an image on my form that I would like to expand when clicked on. I have all that logic set, but I want that when it expands, the user has to click on an 'X' in the upper right corner of the PictureBox to close the expanded image. While the image is being displayed, I don't want the user to be able to interact with the rest of the UI on the form.
Basically I need something along the lines of (pardon me for switching to HTML but I know this works there) creating a div that covers the whole screen, making it opaque, putting another div on top of that, and then putting the image and the 'X' button on top of that. I have tried using opaque forms (didn't work), and panels with a transparent backcolor (didn't work either). I've resorted to taking a screenshot of the form, setting it as the image of a PictureBox, and putting the PictureBox on top of that. However, that seems like way to much overkill.
My current layout is MainForm -> Dynamically create new Form and add it to Main Form -> Add PictureBox to Dynamic Form and set its image to be a screenshot of MainForm -> Add a PictureBox on top of that PictureBox and set its image to the expanded image that I want
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Jul 5, 2009
basically i have a form with loads of controls. So many infact it stretches the whole hieght of my screen.I only need half these showing since the rest are just a sort of 'log'I have seen ti done loads, that only the controls i want to show at start up are displayed then when some one hits a little button in the bottem it expands the rest leaving them showing to.
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Jan 19, 2012
I'd like to design a Winform with expanding controls if that 's overly complicated. The idea is that I would have rows of information, each with an "Expand" button. On pressing the button, the rows underneath the selected row would move down and the controls that are associated with the selected row (some textboxes/ dropdowns etc) would appear. Vice versa when you click the "Hide" button.
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May 21, 2009
I want to prevent users from pasting images into a rich text box, what is the best way to accomplish this?
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Sep 24, 2009
I have two froms when one from is opend it should not be minimized when mouse clicked outside the from like the message box in vb.net
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Mar 29, 2009
need help please on how to prevent multiple instances of a form at runtime in vb so tha when a user clicks a button to load a form it loads an if the user clicks the same button again whilst the other instance of the form is running it doesnt open a new one but insted sets focus on the currently running form.br2
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Jul 21, 2010
Im making a maze game where you try to prevent from touching the sides but when you right click you can go through the walls...
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Nov 25, 2008
Using VB 2008 Express I have a form in which a number of controls which have event handlers to monitor choices the user is making. The event handlers do work as expected, but the problem I'm having shows up when I load the form.For example, I have:
Code:
Private Sub RadioButton6_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton6.CheckedChanged
MsgBox("I got checked!", MsgBoxStyle.Critical)
End Sub
When I load the form in question from the main form of the program, I get the message box, even though the user hasn't actually clicked the radio box. The problem arises when I try to use a call to a function that works fine, as long as the entire form has loaded. Called prematurely, the function fails.How do I solve this so these event handlers don't trigger when the form is being loaded?
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Jun 2, 2012
On each of my form I have put an 'Exit' button. When user clicks it, another form is displayed (I don't want to use 'MessageBox') asking user whether he really wants to quit. If user clicks yes the form closes. If user clicks no, form is redisplayed.
However, out of 4 forms only one form refuses to redisplay. The code is exactly same on all forms. I have included 2 Express 2008 projects showing one form each in the zip file apps-ssk.zip
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Apr 25, 2009
Yes how would i make a program that auto clicks "new thread" and types in what are u put in textbox2 and then clicks sumbmit..Why I want to no:+ iM just trying to make a a program that makes it easyer to post.About the program Im trying to make: +im gonna have a webbroswer in my program and then i want then below there wil be a the thread auto click ...so day if i go to www.urlhere.com and go to there forum page i would jsut type everything in my auto clicker and i press button1 it will do everything for me like post the thread
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Jun 27, 2012
If I add a WindowEvents_WindowActivated handler to my Visual Studio 2005 Macros EnvironmentEvents module, I get a weird side-effect: when I click from one window to another in Visual Studio, that click is treated as a double click.
[Code]...
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Apr 1, 2010
Im using Visual Studio 2008 Ive created auto click programs through tutorials, Mouse Recorders, also through tutorials. But nothing is helping me with the project at hand. It has now been a month of going through basic VB.net tutorials, and more advanced ones, all with success.. but none telling me what I need for this project.
So here is the project.
When I open this program.. it will have two buttons.. Start.. and Stop. Both set with hotkeys(which I have figured out how to do). When the program starts, it will work, kind of like an auto clicker, but the clicks I need in different, set locations, and with a different time frame in between clicks. The whole program will loop until stopped(with the hotkey).
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Nov 30, 2010
I process single- and double-clicks on a listbox in VB .Net 2005; I use single-click to just select a particular entry and double-click to select and open the entry. I want to discard any other type of click, especially triple-clicks.
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Dec 3, 2009
I'm working on a project which has 4 combo boxes.Each of them has a drop down list of numbers from 0 to 9.
How do I validate if each combo box is selected with one number when I click on a button?
Is validating a checkbox the same way as validating combo box?
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Aug 16, 2010
I have scoured the net for help with this problem of temporarily disabling mouse clicks on a VB Net form and have not been able to find a solution that works.
I'd like to prevent users form clicking on a form when i'm doing some background processing. To me it sounds simple in theory but apparently its not.
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Mar 11, 2010
I have scoured the net for help with this problem of temporarily disabling mouse clicks on a VB Net form and have not been able to find a solution that works.
I'd like to prevent users form clicking on a form when i'm doing some background processing. To me it sounds simple in theory but apparently its not.
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Dec 5, 2009
How do I change the startup form for an application when a user clicks a button?
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Jul 22, 2011
I have a Windows form application with a MenuStrip at the top (File, etc...) and a TabControl directly beneath it with 8 TabPages arranged horizontally. The tabpages vary in height. The form's autoscroll property is set to True to allow the user to scroll down for those tabpages that contain more content. This all works fine.
What happens at runtime, though, is that when the user clicks on some of the tabpages that are greater in height, the scroll bar automatically scrolls down slightly, which obscures the menustrip at the top of the form. This behavior is undesirable. on how to modify it? I have compared the properties of the form itself, the tabpages, and included controls (table layout panels, etc.) but cannot figure out what distinguishes the tabpages that "jump" down when clicked upon from those that do not. I suspect that there may be a property that eludes me.
Second, I have added a ContextMenuStrip to the form to enable actions upon right-clicking within each tabpage. Even though I have assigned it to the Windows form and each tabpage, it does not appear at runtime. One can right-click all over the place within the application, but it never appears.
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Jul 5, 2010
I want to run some code when the user exits the current window, how can I do that?
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Dec 16, 2010
I basically, want this to happen:
Label1.Text = Form2.Button1."number of clicks"
How do I do it?
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May 18, 2010
I am trying to create a tuturial within my software in vb.net. The code will take the current mouse position, move it over the relevant menu header (e.g. file) and click, move to relevant item (e.g. New) and click etc.
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Aug 1, 2011
I was just wondering if any one can I want to show a form on startup but once the person clicks and command button it then saves it to the MySettings and then that from dosent show anymore it then goes to example form2 instead?.
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Jul 27, 2008
I need to record the screen when my user clicks start, and stop recording when he clicks stop.I've searched for a while on this subject, and I have found nothing.I want to do this without adding any files to my project, I just want to use some built in function in Visual Basic, and start recording, or even take a snapshot and add it to an AVI file or something...These are some sites I have found:
http:[url]......
This code is in VB6, but I am not sure how to even start using it?
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Feb 26, 2010
Would it be possible to add a .exe to my resources and when the user clicks a button on the form it will create a directory ( C:My apps ).then add the .exe from my resources and launch the .exe from that folder.
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Jul 18, 2011
I have a VB.NET 2010 Forms Application which includes a form with a textbox, and two buttons which I call from the main form using .ShowDialog
I've messed with something such that I can no longer prevent the dialog from closing when the user clicks the Ok button but has entered invalid information.
Here is the handler for the OK button's click event:
Private Sub cmdOK_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdOK.Click
If SomethingIsWrongWithWhatTheUserEntered Then
[Code]......
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May 17, 2010
how to Collapsing and Expanding in VB NET Code
[Code]...
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Nov 22, 2011
Having a problem with the amount of memory being used going up and up, and expanding until there is no memory left. I'm using the GHeat.Net plugin to build images. Here is the full code:
Dim pm As New gheat.PointManager()
Dim g As Graphics
Dim startZoom As Integer = 2
[code].....
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Apr 17, 2009
[Code]....
I add a button to a form each time the user clicks a menu option as:
[Code]....
This draws a small blue line at the bottom of the button to show it is highlighted. Just like the mouseoverbackcolor property on a button except this will draw the line. It works fine until you slide the mouse very fast between the buttons. It is as if the mouseleave event doesnt always fire.
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Dec 5, 2009
Private Sub LMouseDown(ByVal sender As Object, ByVal e As MouseEventArgs) Handles MyBase.MouseDown
If allowMouseCoordinate = False Then Exit Sub
Dim xPos As Integer
Dim yPos As Integer
If e.Button = MouseButtons.Left Then
[Code]...
But this only works if I press on form. But I have a tile based map covering the entire screen.How can I make it so, that It would check if I clicked on a picture box (or simply anything)?
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Mar 29, 2009
Iam trying to convert all my access database into Sql Server databases and also create vb .net application for them all. First problem I encountered was there doesn't seem to be anything like a continous form(I know there is a datagridview). So i thought i would create a flowlayoutpanel. Place lots of textboxes on it and fill each of textboxes with information form my dataset. now on to the problem. one of the textboxes is the item description field. This field can have one word or many words. I have been trying to get the textbox to auto expand in height to cover the text. Below is the code I have put together to try and get this to work correctly.
vb.net
Imports System.Runtime.InteropServices
Public Class Form1
Private Const EM_GETLINECOUNT As Integer = &HBA
[Code]....
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