Which MDI Child Has Focus
Jan 22, 2012
Public Class MDIParent
Public Consignment As MDIChild
Private Sub mnuFileNew_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles mnuFileNew.Click
Consignment = New MDIChild()
Consignment.MdiParent = Me
[code]....
This is the code so far I have been testing for my MDI Parent/Child forms, and when I create for example 2 child forms with the File - > New menu option, the Windows menu lists all the forms I have just created ammended to it. Now when I create the 2 forms and then immediately select Rename under the Windows menu option, it changes the text of the last child form ok, but then if I click on the first child form that was create and then hit Rename again it doesnt do anything. I tried different methods of strying to set which forms has focux but nothing works.
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Apr 30, 2010
We've migrated the application from VB 6.0 to VB.Net If more than one MDI child form is open, a mouse click to an inactive form will not bring it to front unless I click on the Tiltlebar.
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Jan 22, 2011
I have a borderless form displayed as a progress object. This is displayed via childform.show().
I'm overriding CS_DROPSHADOW to give it the shadow (pictured), when the form loses focus (parent clicked or another formapplication) the shadow is lost.
How can I keep the form focusedselected similar to a modal form? (I cannot use showdialog due this being called from various threads other than UI) Using Me.TopMost = True works, but obviously puts the form above all others rather than just the parent.
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Feb 4, 2011
I have achieved for the most part what the users want, which is to be able to have multiple MDIChild forms open at once for example the Child form displaying the data and the Child form displaying the user's manual. The child forms can be resized to some extent and can be moved around within the Parent form. When the user clicks on the title bar of one of the Child forms or selects a menu item opening a new Child form the newly opened Child form or the Child form on which the user has clicked the title bar gets focus.
I also have one Child form which will not scroll with the mouse wheel even when it has focus. Actually there is very little of the form that is not ocvered with controls. It has about 8 group boxes with several otehr controls within the group boxes. When I click on a list box within one of the group boxes the list box will scroll through the values, but when some other control gets the focus or the forms itself has focus (via clicking on the form's title bar)the form will not scroll with the mouse wheel. The other Child forms do scroll with the mouse wheel.The AutoScroll and AutoSize properties of the Child form are both set to true. I also have VerticalScroll and HorizontalScroll visible and enabled properties sey to true
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Jul 22, 2011
I have MDI application and couple of child windows...This is how I'm opening one child window
Private Sub Membe*******tripMenuItem_Click(sender As System.Object, e As System.EventArgs) Handles Membe*******tripMenuItem.Click
Dim members As New members
members.MdiParent = Me
[code]....
My problem is that I dont have an idea how to check is that form already opened and if it is simply to focus it... Now I can open as many as I want same forms (on the picture this are couple same child forms, what I don't want...So I need simple check is this child form opened and if yes focus it?
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May 12, 2011
We have a main form which opens an MDI child form. What we want is to set the focus on a particular control in the child form, namely a telerik textbox. When the form is opened for the first time, the focus is set to the textbox control which has a tabIndex = 1 as expected. If the winodw is closed (and disposed) and then reopened via a button on the tool bar that calls the same code that opens the window when the application starts, no control has focus. We have added lines such as Me.rtxtPatientId.Focus() in the Paint event, load event, and activated event handlers but still cannot get the focus to the control. The code is quite extensive so posting it is difficult. However, here is the section that opens the child window:
if PatientSearchForm Is Nothing Then
PatientSearchForm = New frmPatientLookup
End If
PatientSearchForm.MdiParent = Me
PatientSearchForm.Show()
If PatientSearchForm.WindowState = FormWindowState.Minimized Then
PatientSearchForm.WindowState = FormWindowState.Normal
End If
PatientSearchForm.Activate()
PatientSearchForm.rtxtPatientID.Focus()
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Dec 18, 2009
I need to determine the child control with focus - I've got lots of controls in panels and other container controls so the ActiveControl is simply coming back as the TOP LEVEL panel I was trying something like this:
[Code]...
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Dec 17, 2011
A panel with enabled scrollbars has many buttons. If I push the tabulation key, focus navigates between buttons.When a partially visible button has focus, the panel scrolls itself in order to completely show the button.
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Jan 17, 2012
So i have a Panel which on Mouse Enter and Mouse Leave i change the visibility of some controls which are docked inside it. Problem is whenever I hover over a control within the panel the Mouse Enter then moves to that indivual control and thus they are made invisible. Is there any way i can make this work without having to code these two events for each control within the panel?
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Feb 18, 2011
Im working with MDI parent/child objects. when closing the child objects i need the child to check to see if it is the last child object before closing. i couldn't find anything on google, maybe im searching for the wrong thing.
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Feb 16, 2011
Is there a more efficient/easier way changing the backcolor of a control when it has focus and lost focus? Let's say I've got 10 text boxes. Right now I would have 20 different events...10 for Enter event and 10 for Leave event. Of course, entering would change the back color to "green" and leaving would change it back to "white".
[Code]....
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Mar 10, 2009
Here is what I've done:1) Created an Excel COM add-in for Excel 20032) Added a NotifyIcon to the Windows taskbar notification area (aka system tray) during ThisAddIn_Startup3) Added a ContextMenuStrip with a ToolStripButton to the NotifyIconWhy is it when I right click on the NotifyIcon, Excel gains focus? If after clicking on the NotifyIcon to display the ContextMenuStrip I choose not select an option on the ContextMenuStrip and instead click back on the Excel window, I get a weird flashing cell in Excel.I've created a video of the problem to help you see what I [url] anyone know how to prevent this? Ideally, I'd like to be able to click back on Excel and only have the ContextMenuStrip close and Excel regain focus.
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Nov 26, 2009
I have two forms in an application. One is he background and then I show another keypad form called with the show() method (not showDialog) because I need to perform some validations on btn click.
The kepad has 10 buttons and an Enter Button. The problem is that the form keeps loosing focus (I checked this with a messagebox which keeps poping up once for focus=true and again for focus=false, it continuously keeps losing and gaining focus) so it does not process any keypress events untill i click somewhere on the form. I tried using me.focus() in form load event but to no avail. The forms TopMost property is also set to true.
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Jul 18, 2010
recommend a book that focuses on the .NET framework in general and isn't too language specific.
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Mar 21, 2012
I have a textbox on a form that when it loses focus it updates other text boxes on the form. But before it updates the other textboxes I check the input value in the textbox lostfocus event if it is undesired I return focus to the the textbox and alert the the user with a msgbox. However where my problem is, is that when the cancel button is clicked I don't care what the input in the textbox is because the changes are being canceled but if the value is undesired the it keeps returning focus to the textbox instead of canceling the changes. Is there a way to see what control was clicked on before or in the lost focus event? Can't seem to figure it out tried enter and leave events but no luck!
So for example something like this...
Code:
Private Sub TextBox1_LostFocus(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.LostFocus
If Control that was clicked <> btnCancel then
[Code].....
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May 21, 2012
Dim obj_DataTable As New System.Data.DataTable("Category")
Dim obj_DataSet As New DataSet()
'Declaring the array of DataColum to hold the Primary Key Columns
[code].....
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Mar 10, 2009
My program handles XML files that have certain elements within a root-child node that are identical expect for their inner text value. So while populating my combo box with all of a root-child's child element's names I get like five identical items listed. Which brought about the problem of selecting say the third item and getting the value of the first displayed. So I came up with a loop function that determines if the selected combo box item is preceded by one of the same name, if it is, then it adds +1 to a counter variable and keeps checking farther and farther up the list. Once it loops to an item that doesn't have the same name it exits and it reads the Xth (X = counter mentioned earlier) element's inner text from the file. This works great for elements 1, 3, 4, and 5. But not for 2. A while back when I was focused on this problem I discovered the root of the problem but I was unable to circumvent it. I'll put the loop below so you can see the problem in action instead of trying to follow my verbose explanation:
[code]...
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Aug 18, 2011
I'm from denmark and hope I can explain my question for you. This is just a example: I have a panel, let's say panel1 and another panel on that panel (panel2) and so on until for example panel5 - on panel5 I have a button (button1). Now I would like to change button1's backcolor property through code how do I then get access to button1, now it's a child-control on panel5 that is a child control on panel4 etc. ??
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Oct 25, 2011
After I did a sendkeys to another program from my form, i wanted to return focus to the form. i tried me.focus = true but that doesn't work.
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Apr 29, 2009
findwindowEX Send Message in Child of a Child of an ApplicationFirst:- my english is very ad (german)- i am a newby of Visual BasicMy Form with SQL-Integration is sending Data per Button to Notepad sucessfull. Unfortunately, the purpose application has interlocking children.But the application don become the data. to found a solution / or a Idear. i think i put in screenshots an my
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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Apr 10, 2011
i have created two forms A and B when button in form A is clicked B is invoked when B is running its not possible to work on A until i close form B. How can i work on A without closing B
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Apr 17, 2012
i have three forms
when i click button1 on form1=====> form2.showdialog()
then click button 1 on form2 =====> form3.showdialog
then click button 1 on form 3 =====>
[code].....
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Nov 7, 2009
I am having problem setting focus on specific cell in my Datagridview1 . On Form1 when clicking on cell 3 in any row, I am callig a Dialog1. However, when done working with it, and closing the Dialog1, the focus returns to cell 3 in my Datagridview1 . I like to set the focus on the next cell(4) making it the current cell.
I have tryed :
DataGridView1.SelectionMode = DataGridViewSelectionMode.CellSelect
DataGridView1.CurrentCell = DataGridView1.Item(4, e.RowIndex)
DataGridView1.CurrentCell = DataGridView1.CurrentRow.Cells(4)
And few other things, I am always getting this exception: Operation is not valid because it results in a reentrant call to the SetCurrentCellAddressCore function.
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Dec 15, 2010
Is it possible to set focus on the keydown event so after the button control, sets the focus into the keydown? although says often control can have focus,.Putting a button and a keydown event on a form...
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Jun 9, 2012
I have 1 form as parent MDI (frmParent.vb) and have 2 child form (frmChild01.vb & frmChild02.vb).the code for parent form as per below.
Public Class frmParent
Private Sub OpenChild01ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles OpenChild01ToolStripMenuItem.Click
Dim child01 As frmChild01
[code]....
My problem is how can I set label1.text in frmChild02.vb when user click button1 in frmChild01.vb
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Jul 9, 2010
I have a table (Projects) which is linked to projectVersions on projectID..projectVersions contains several columns on which I'd like to filter a returned project (and associated projectVersions) list. For example there is a "capacity" column and a "country" column. I am doing a filtered list of projects on one page and I'd like to include all projects where any one of the associated projectVersions has a capacity of 750ml and a country of "France" for example.It may be that a particular parameter is not set and so I pass a zero to indicate not to filter on that.I guess this needs some kind of subquery as when I try and do something like this: [code] it doesn't work as the "xxx" bit, being one-to-many, expects me to specify an item to get at the entities within and yet I want to query where ANY of the associated versions match one of the criteria.
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Jan 3, 2012
I have a nested class, let's call it class1 and it has class2 inside it; VB.Net eg:[code]
1) How can I define X number of Class2 objects[let's call it: Node(x) array]** with NEW() subroutine called?' this raises error: dim cls2(n) as new class2 end sub.
2) How can I return actual number of Node() array? [code]Outside my class in main project I define cls1 object:[code]Now an array of class2 is created inside cls1.
3) Now,How can I access All of them[node(x) array which is created inside cls1] with all properties and methods available?
I remember I wrote a ProcessManager class with this functionality in .net 2003, nearly 4 years age, I don't have the code now.
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Nov 12, 2010
Note: I am working with Visual Studio 2010 Professional. Note: There are a lot of MDI Child posts, but none (that I have found) that apply to my scenario... Scenario I have an MDI form with a UserControl docked at the top. The UserControl is for navigation and is ~50 pixels in height. When I show a child form with its WindowState property already set to 'Maximized', the child form shows maximized in the MDI parent, but behind the UserControl.
[Code]...
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Nov 17, 2011
I have a MenuStrip with File > New, Open, Save, Exit located in a parent form, and a RichTextBox located in a child form.The problem I'm running into is concerned with the destination of the file elected from "Open" and the save.When a user selects their file from "Open", I need it to open the child form and put the text into the RichTextBox.I also need the program to be able to "Save" from a child form, whether it's been brought up via "New" or "Open".
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Jun 9, 2012
I have 1 form as parent MDI (frmParent.vb) and have 2 child form (frmChild01.vb & frmChild02.vb).[code]My problem is how can I set label1.text when user click button1.
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