I drag a toolstrip component to my form. I insert two buttons n two separators. During i configure these items, some time it will disappear but in the properties side, i still can found these items still exists. But i can't found these component in my form. I tried to add same item with same name n it show a error message box(because already exist).
View 2 RepliesI really want to make use of the toolstrip and databinding but these two technologies keep conflicting with each other. I think the root cause is something to with the fact that the toolstrip buttons don't recieve focus in the normal way.
I invite you to try the following:-
1. Create a form and put some text boxes a tool strip with a save button on it.
2. Write a query or sproc to get a datatable back and bind your text boxes to the field in the datatable.
3. In the code behind your Save ToolStripButton put some code that makes an arbitrary change to a field on the dataset (it doesn't matter whther this field is bound to a text box or not). eg:-
m_DataTable.Rows(0).Item("CommissionRatePerc") = "0.0000"
4. Put a breakpoint in the save and run the form.
5. Make some changes in the text boxes. Do not leave the last text box but rather click save while a text box whose contents you have edited still has focus.
6. When your code hits the breakpoint, query the value of the data table field that is bound to the text box you were editing when you clicked save - it will still contain the unedited value. Unless you do something about it that unedited value is going to get saved back to your DB.
We did get around this problem by explicetely setting the focus to another control on the form before saving. That worked most of the time because it prompts the text box to flush it's value back to the datatable (nb EndEdit does not work, although you'd have expected it to). However, and this is the reason I suggested you add a line of code that changed a value in the underlying datatable in step 3, if you change a value in code in this way before the value from the text box get's flushed back then it doesn't seem to matter what you do, the user's current edit is simply lost. They will still show in the text box, though, leading your user to believe that the change has been committed when it hasn't. Our final solution is that we never ever change a value in the adtaset in the code behind our toolstrip buttons. That's working but it's a pretty big restriction.
I am running Microsoft Visual Studio 2008 Professional on a Windows 7 system.While working on a visual basic exercise in chapter 4 of the Microsoft Visual Basic 2008 Step by Step book on the MyMenu program I added a Toolstrip to my form and then I was trying to perform the add OpenFileDialog and ColorDialog controls to the component tray as described at the bottom of page 111 under Using Dialog Box Controls. I could never get the controls to appear in the component tray as instructed in the book.
I added a toolstrip to the form. According to my instructions I should be able to click on the Open file icon on the toolstrip to select it and then click anywhere else on the form. When I do that, the OpenFileDialog should appear on the component tray where I can then select it to enter code. This however does not happen.The only way I was able to get them to appear in the component tray was by opening the Menu program supplied on the DVD under chapter 4, selecting both of the above controls on the component tray, right clicking and then press copy. I then closed the Menu program and opened the MyMenu program that I created and then I was able to paste the two object controls to the component tray.
I went back to the original Menu program to see if I was able to place any other controls on the component tray by following the instructions in the book but was not able to. I also tried the same thing with MyMenu and it also still would not work.I have been unable to find anything that might explain why the component tray does not work as explained. Perhaps there is some setting somewhere that needs changed, but all searches have been unsuccessful.
PS. I have entered this on one of the other MicroSoft forums and although it has gotten multiple views I have not yet received any feedback.I also get the following error: Cannot add component of type 'ToolStripButton' to container of type 'form'.
I am converting an old Vb6 solution to .net 2.0 in vs2010. I've been working in C# for about 3 years now and .net for 5. I don't recall having this problem in C#, but if I want initialize a readonly collection of DerivedControlFoo Is there a clean way to do it besides creating a sub to do it all off somewhere else? I'd love to be able to do it at the class level at the declaration for readability and simplicity.
View 1 RepliesI am searching for the Component Class. When I go to "Add New Item" ,in my project their is no Component Class Item in VS 2008. I would like to Drag and Drop control onto my new class and I can't see how to do this ?
View 6 RepliesI have 3 form :
* MDIForm (Main Menu)
* frmMemberList (To Display Member List)
* frmMember (To CRUD Member)
In MDIForm I have ToolStrip where there some buttons (add, modify, delete, preview and close)
I want to create an event where if you click the Add button he will call frmMember
i have a question about toolstrip button.example: i have 20 form consisting MasterItem,MasterPart,MasterProduct,etc.all form have 6 button:New,Edit,Save,Delete,Cancel,Exit Button in toolstrip.the problem is : if i have a few change in toolstrip,I must change all 20 form. that's waste my energy and time.
i want to create 1 toolstrip but can use by 20 form. so if i have change,i don't need change 20 toolstrip. when using PHP,i am using include "menu.php".and this file "menu.php" can use by anyform in PHP. so if i change "menu.php",that's effect to any file using "menu.php"
While I am asking this for VB I verified this issue also occurs in C# so I think it is a .NET issue. I am using Visual Studio 2010 Premium Version 10.0.40219.1 SP1Rel with .NET Version 4.0.30319 SP1Rel.
Step to recreate the problem.
Create a new Windows Application for Visual Basic (WinForms).
Add a ToolStrip.
Add a ToolStripComboBox to the ToolStrip.
Save, note the width of the combo box.
Change the padding on the combo pax to 2.
Save and close the form designer.
Reopen the form designer, look at combo box width - it decreased. Note that form is marked as having been modified. So save it and close the designer again. Reopen the designer and look at the combo box width - it will have shrunk every time you save, close, and reopen until you get to a 0 width. It shrinks by 4 * the padding size. Why would padding affect the size since that is the interior margin where as the margin settings are the exterior margins.
I have a toolstrip on a winforms application and below it a DataGridView. Everything looks fine when the program runs initially. If I maximize the form though, the DataGridView covers part of the toolstrip. How can I make the toolstrip lock in place so that nothing will overlap it?
View 4 RepliesI am using a tabcontrol to put all my database tables as I don't want to have too many forms. I tried to set up the search form function by watching a video by Beth Messi called "Creating a search form" under form over data video series. After I finished setting up everthing accordingly, the tool strip appeared bellow the window form title bar. May I know how can I move it into the tabpage?
View 8 RepliesI have 2 forms main_frm and copying_frm. In main_frm, there is a list view that is populated with file names. The user then clicks save and all the files in the list are copied to a folder that they choose using a folder browser dialog. When this happens, I do copying_frm.ShowDialog() to display the copying_frm. The copying_frm contains a progress bar and a cancel button. I can get the progress bar to indicate how much has been copied. But that freezes up the application. To get around this, I create a new thread (called copyingThread) that copies the files. When that thread runs though, it can't access the waitingList_lvw in main_frm. For example, in the function that the copyingThread executes, if I have this line of code: MsgBox(main_frm.waitingList_lvw.Items.Count.ToString()) the result is 0. Also, I don't get any errors and no files are copied. How do I access waitingList_lvw in main_frm from a thread called copyThread that was created in copying_frm?
View 6 RepliesI've two forms Form1 and Form2, I want to add container(*) in form2 having toolstrip(Toolbar) and later want to display that container(containing toolstrip) in Form1, that enable the user to use toolstrip to execute needed actions written in form2.
[Code]...
I want to have a DataGrid in a form Docked as Fill, and have it located below the ToolStrip.What I mean by Docked as Fill is I want to be able to resize the DataGrid along with the Window Form.When I select Dock as Bottom, the space between the DataGrid and ToolStrip changes as well.
View 1 RepliesListView Drag&Drop allow to Drag&Drop between form??
Public Class frmModule
Private Sub ListView1_ItemDrag(ByVal sender As System.Object, ByVal e As System.Windows.Forms.ItemDragEventArgs) Handles ListView1.ItemDrag[code]....
Can it be drap and drop item to other form control??How to write the event when mouse up at the other form control?
I am working in vb.net. i want to drag textbox value one form to another form without use show and hide property in the form.
View 2 RepliesI want to be able to drag the form by click on the form.... not by clicking on the bar...
The formborderstyle is at None.
Create a DLL component for database operation and use created component in another project. Required methods, events and properties
a. Connect
b. Add
c. Delete
d. Save
e. Record navigation (first, next, previous, last)
f. Properties for all database fields
g. Events for validation of database fields.
I would like to save a form to complete in the properties of "My.Settings" Is this possible? [code]where my.setting.form2 is a system.windows.form. form.it is possible to do that ?
View 8 RepliesI'm developing a Component. I'd like to do something when the component is dragged from the toolbox and dropped onto a form. For example display an about box.I don't want to annoy the developer by popping up an about box every time he refreshes his display or reloads the form.
View 6 Repliesi have an ocx called TTF16.ocx. It is 32 bit and I placed it in Windows/SysWoW64 and register it as an admistrator (My system is Windows 7 64 bit). The control appears in the toolbox. When I try to add it in the form I got the following warnings
Warning 3 Cannot get the file path for type library "bef6e001-a874-101a-8bba-00aa00300cab" version 2.0. Library not registered. (Exception from HRESULT: 0x8002801D (TYPE_E_LIBNOTREGISTERED)) F1koe3
Warning 4 Could not resolve COM reference "b0475000-7740-11d1-bdc3-0020af9f8e6e" version 6.1. Object reference not set to an instance of an object. F1koe3
Warning 5 The referenced component 'TTF160' could not be found.
how to find the form that a component resides on.
I googled this and found several articles stating to do it as follows:
vb
Public ReadOnly Property FindForm() As ContainerControl
Get
Return mc_FindForm
[Code]....
Is there a way to resize all component when the form is maximized?
View 1 RepliesIs it possible to scroll the webbrowser-component to a form on the webpage?
View 1 RepliesI'm trying to make a Toolbox component which the user can drag onto a form in the VS Designer. The component has to recognize the Form it is on, in order to handle certain Form events. I would prefer to do it without requiring the user to add any code to the form. Does anyone know a way the component can get the identity of the form?
View 4 RepliesI have developed a Component and I want it to be able to detect when it's running in the IDE.
Or, let me rephrase that - I want my component to be able to detect when its parent form is running in the IDE.
I can use .DesignMode and a few other methods to detect when my component is running in the IDE (For example when my component is placed on a form etc)
But when the parent form is executed from within the IDE then .DesignMode returns false.
Is it possible for a component to detect if its parent (the form) was started via an IDE/Designer ? or via the command line/start menu or what ?
after i run the program, the form pop up showing no problem.however, when i click on the maximize button on the top right of the form, the form enlarge and fill the screen. but the components will not move accordingly.
View 2 RepliesI have an error that keeps regenerating when the form is closed and open back up.
1) Windows Form Application (Project: TestProject)
2) Add class in same project:
Public Class Test : Inherits System.Windows.Forms.TextBox
3) Drag and drop into the form within the project (works fine)
4) Close form
5) Re-open form... then error about the class Test in the project not defined
Actual Error: Type 'TestProject.Test' is not defined.
Is there a best way around this besides creating a separate project and putting the 'Test' class in that separate project and referring that separate project in the 'TestProject'?
Modified Added: By the way... i've used Global.TestProject.Test... but then again another error generate with the custom property within the 'Test' class.
Commonly if I maximized my form. It'll look like this And now, i just want to ask a simple question.. How to centered all those components if i maximized it??
View 1 RepliesI'm having problems with coding in VB 2010 Express. One of the many errors I am dealing with is the user interface form. It says it's a component, so I have to use it in a form.
View 2 RepliesI recently have been developing an application in .net that uses lots of components created as digital/analog input/outputs, and, when each component is clicked shows a form that shows it's state.The problem is that the form allows to change the state of the component and I don't really know how to reflect the change made in the windows to the component variables, as I don't know if there is a way to call the parent from a windows form or any similar way to do it.
View 5 Replies