Forms :: Leave Not Being Triggered On Buttonclick (cursor Is Not Moved)
Oct 5, 2010
I am having a problem where I am on a text box and try to click a button that will bring up some reports. Since my cursor is still on the text box it doesn't go through the "Leave" and so what I entered into the text box is not saved (this happens in "Leave"). I have read previously not to use "Lost Focus" because it causes problems when you leave the form it triggers the "Lost Focus" on on the fields and just in general to use "Leave" rather than "Lost Focus". Is there a way to force my way through the "Leave"? I also don't know which field my cursor could be on (there are probably 20 text box or combo box fields on this form.
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Sep 29, 2009
I'm creating an app where I don't want to allow the cursor to leave the form, even when the mouse moves.Would it be something to type into pongMain_MouseLeave ? Something like Cursor.Stop () is all I
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Jun 2, 2011
I have set the datagridview.cellvalidating events. I want the user inputing in the cell and when error, the cursor cannot leave the cell when user key "TAB" or click in other where in the first time.But I find that it does not work in the first time. Until when I click the same cell in the second time, it trigger the action preventing user from leaving the cell and show the error message.
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Mar 22, 2010
I'm using VS 2005 and .NET framework 2.0 SP2 to build an application with a datagridview in it. I'm using Microsoft Word 11.0 Object Library to do the spelling checker on one of the field in datagridview. When it detected a spelling and grammar window would pop-up open on top of the datagridview.
The problem I got was when I moved the pop-up window to the new location, there's still an image of the pop-up window left behind the previous location. The more I moved the more of those copied image would be created on screen.
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Mar 23, 2009
I have created the following piece of code to try and see if the user pushes the 'f1' key, and if they do.
[Code]...
I am not sure if this code works yet because the keypressed event is not triggered when I push a key. Could someone tell me how I can change my code so that it will test what key is pressed, no matter what control on the form has focus?
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Mar 4, 2009
I have an application that detects a power change (to standby or hibernate).
AddHandler SystemEvents.PowerModeChanged, AddressOf PowerChangeSub
When I hit the standby key on my keyboard, the power change is detected and all actions are done properly. However, when I enter the standby mode by using: Application.SetSuspendState(PowerState.Suspend, True, False)
The computer goes to stand by but the event of powermodechanged is NOT triggered.
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Apr 3, 2009
I am migrating my code from vb.net 1.1 framework to vb.net 3.5In my windows application, the base window has some buttons and events are written for the same.I have shortcuts defined for these buttons also, for example: ctrl+d, DEL (keyboard) etc.Now i open a property Grid form on top of my base window for a selected object.Even when the focus is on this property grid, i am noticing that my base window events are firing on pressing those shortcuts.
example:I select some text in my property grid and hit delete button from keyboard. The delete event that i have written for the selected object gets fired and the text is not deleting.I fail to understand why is it happening. It wasnt behaving like this in .net 1.1.In .net 1.1 it would delete the text and only when the focus is back on the base window, hitting Delete would call the event.How do i control such a behavior? Is there some property that i need to set for property grid in .net 3.5 to prevent base window events from firing till the time focus is on property grid form?
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Jan 30, 2009
I'm programming something and I have it set to where if you leave the text box blank then a message box comes up and tells you to enter a value to move on to the next text box [code]Now whats currently happening is if I click the exit button and leave the name text box blank the error i programmed will come up and tell me to enter a name. I want to be able to click the exit button while no text is entered in the name text box bypassing the error message.
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Nov 21, 2009
I want to have a counter that measures when a mouse enters/leaves a form. To that extent I used the .mouseenter/.mouseleave commands. This works to an extent. The problem is that moving the mouse over any controls inside a form count as existing it- I don't want this. Is there a way to define the controls as a part of the form? Meaning- if the mouse was over one of my labels- it would count as being within the form. A less elegant way to measure form access could be to use the form positioning, and define capture any mouse movement within it.
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Jul 11, 2009
The leave event fires twice in this example. Tab order for the form controls is set to combobox1, button1, button3 Private Sub ComboBox1_Leave(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.Leave
[Code]...
if I enter 'A' in the combobox1 then combobox1 leave event will fire twice any other entry is Ok since the next control to get focus is button2 (in the normal tab order).It seems that if I try to skip the next control (based on the tab order set for the form), the leave event fires twice.
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Sep 9, 2011
what is code i should use if i want to prevent user not to leave empty word in text box after user click save button.Oh ya, i am using visual studio 2005, databse sql 2005 .Here is my code
Private Sub btnregister_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnregister.Click
If MsgBox(" Are You Confirm", MsgBoxStyle.YesNo) = vbYes Then
[Code].....
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Apr 26, 2011
im a wrtiting a simple vb.net problem that when a button is clicked it launches the command prompt. all i need it to do is open cmd on a buttonclick. i have used
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code].....
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Dec 10, 2010
I have a page with
Page
--UpdatePanel
-- Buttons
-- radiobutton
[code]....
On Page load i bind user controls UC1, UC2 with selected value of radiobutton.But when i select new value in radiobutton it fires selectionchanged event, executes bind method but doesn't update uc1,uc2 values. Similarly I'm trying to get button commandargument when button is clicked and update usercontrols but it doesn't.What could be causing them not to update even when bind method is executed?
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Oct 16, 2009
I have been trying to make a "skinnable" program, and I am having trouble making it so that when the user clicks a button, it changes to a different image for the background.
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Jan 28, 2009
In my app I have a pause and continue button. I capture the last active control when pause is clicked, change the Backcolor to let the user know where they were, from blue to red and leave the cursor there. What I would like to do without disabling and enabling all the controls on the form is to keep the cursor in the LastActiveControl no matter what until the continue button is clicked. In other words, tab, enter key, mouse click or nothing will make the cursor move until continue is clicked. Sound possible?
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Sep 10, 2009
How do I get the name of the (topmost?) control at the cursor position? The background: I implemented drag'n'drop from a dgv to a label and need to identify the control where the mouse button is released. I have enabled dropping on the label where the drop is going to take place. However, this label is the parent of say a hundred labels that are created dynamically in codebehind (I use this way to create a "dataview"). Therefore, I need to know which of these "child" labels the user drops the data onto.
I can get the mouseposition without problems (Me.PointToClient(Cursor.Position).ToString), but as I said, I can't get the name/text/ID of the control the user dropped the data on. Also, I ned to get the child control's name/ID/Text, not the parent label of course.In addition, it seems as if I can't select the row I click on in the dgv anymore, after I implemented the DoDragDrop on the CellMouseDown event. Any ideas? Should I use another event?
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Aug 25, 2009
I'm developing a big VB.Net Winforms application. Every now and again, processing or db connections take some time and therefore I'd like a wait cursor (hourglass) to appear sometimes. I know I can do it like in this thread (in case someone needs the code):Hourglass?- technical discussion - developer Fusion - ASP.NET, C# Programming, VB.NET, .NET Framework, Java and Visual Basic Tutorials However, I have LOTS of code and I don't know when the user will need to wait. So, what I'd really want is to tell my ApplicationEvents file or the like to globally intercept after say 0.3 seconds and turn the arrow (default cursor) into the hourglass and at the same time disable mouse clicks and the like.
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Nov 4, 2010
I'm having a difficult time getting cursor's position within the window I tried using : Cursor.Position.X and Cursor.Position.Y but it returns the position of the cursor on the screen and not in the window...
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Apr 18, 2010
This was Just an idea.Could serve useful.Anyone know how you could code that?
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Aug 18, 2010
Is it possible to append text into a RichTextBox1 where the cursor is? (Ex: In-putting a string from TextBox1 to RTB1 where the user has the typing cursor at.)
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Mar 5, 2010
I am trying to use a windows form as a custom contextmenu which is fine as I have done a form with translucent background colour. However the problem is that I am having problems displaying the form at my cursor position. I have a mdi chaild form in my app and when I right click I want to display my custom contextmenu form at the point where I right click in the mdichild form. The only other thing is that I want the middle of the form to be displayed at the cursor point.
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Feb 5, 2011
how can i get the current position of the cursor in real time inside a picturebox?
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Dec 20, 2009
currently I have a Customer Master screen. Inside the screen, I have a button which call the Customer sub window.
When I call the sub window, I want the set the cursor at Textbox1.
The problem is, when I call the window for 1st time, the cursor stops at Textbox1. When I call the window for 2nd or 3rd time, the cursor stops at other textbox or buttons inside the sub window.
Seems like Textbox1.focus is not working.
'***************Calling sub window from main screen**********
Private Sub BTN_CUSTOMER_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles BTN_SEARCH.Click
[Code]....
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Sep 20, 2011
I've been trying to use a custom cursor in my program that has 4 forms and a module.
-Module-
Public Declare Unicode Function LoadCursorFromFile Lib "user32.dll" Alias "LoadCursorFromFileW" (ByVal filename As String) As IntPtr
Public MYDoc As String =
[Code]....
I used this thread to figure out how to do this:
[URL]
The custom cursor is indeed a cursor file (*.cur)
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Sep 8, 2010
I have a test app driven by bluetooth serial events In my form load code I hide the cursor so it doesn't get in the way of pictures (fullscreen) When one event is called by bluetooth, it brings up a msgbox and the user has to click OK. I tried Windows.Forms.Cursor.Show() but it doesn't work.
I'm guessing it's something to do with delegates and events and the form, but the debugger doesn't complain at any point. It just refuses to show the cursor. How can I get my serialport event to show the cursor? And then hide it after?
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Apr 1, 2010
Problem displaying a graphics form from another forms button click event without losing the XY data plot.
If the Startup form is the GraphWindow form the Graphlib.vb calls create a XY data plot.
Code outline (not everything included):
(Sub GraphWindow_Paint(ByVal sender As Object, ByVal e As Sys�PaintEventArgs) _ Handles Me.Paint)
Call Graphscale(xmin, xmax, ymin, ymax)
Call DrawAxis(10,10)
[Code]...
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Jan 6, 2011
how to show the gmap in asp.net webform on buttonclick when i enter destinations in textbox1 and textbox2
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Sep 16, 2011
How would one be able to sync the cursor on a web browser to the html placed in a richtextbox?I am able to get the source code of a web page and put it into a rich textbox.How can I setup a caret to sync up in real time with my mouse on the web page?
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Nov 7, 2009
I need to drag and drop to textbox from tree view. Here while drag and drop to text box i need to add the dragged text to anywhere in the text box which we have already dragged some nodes here.
For example.in treeview i have "node1" and "node2"now i am going to add "node2" to textbox and in front of "node2" i need to add "node1" and then at the end of "node2" again i need to drop "node1" like that.
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Nov 21, 2011
I have created a form with a menu-strip containing sub-menus. The sub-menus will open on clicking the menu items but I am willing to display the sub menus on moving the cursor on menu items(mouse-hover). What will be the code for this? Is there any property in menu-strip to display like that?
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