I experience very strange behaviour of a windows form written in VB.NET 2005.
The form contais DataGridView with data.
I minimize the form to Windows task bar, then I restore it. The form appears, but the DataGridView and other controls are not displayed. In order recover from this situation, I need to resize the form or maximize it.
I have an add-in that creates a form, adds controls to it, then tries to add some more. But on the second attempt to add controls, they disappear. If I have an error in my code that gets displayed in a message box I can see the new controls behind it. When I click OK they disappear. If I have no error and step through the code, they are there according to properties, although I can't see them because the form will not display while in debug mode. When the program finishes, th controls that were created are gone. Perhaps I am selecting the form to edit wrong.Too bad there isn't any documentation (or any than can be found) that describes how to do this.[code]...
View 5 RepliesEvery once in awhile when I double click on a form in design mode (Windows Forms Application) that contains a tab control, all of the controls on the tab control disappear. I have to reopen the form to get them all back. In addition to this, the column order of my columns on any datagrid inside a tab control get rearranged when this happens. Is this a known bug and if so is there a hot fix or patch?
View 2 RepliesI have a complex form to allow the user to configure my app.
What's the best way to save the form state & reload when the program next runs.
I mean text he has entered in list boxes, the selected item of combo/list/radio, whether a checkbox is cheeked, etc
How is it made, controls created in a running application appear again when I reopen it? The images loaded into picturex must be saved in a database?
View 7 RepliesI have made a drawing program. It draws a line when you click in the form, but if the form is minimized or another window is on top of it, the lines disappear partially.
Here is the
Dim FormMiddleX As Integer
Dim FormMiddleY As Integer
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i have this custom i want to use as message form.. it should just display and disappear after 1 second.i add timer and enable it with interval of 1000, timer started on form load.... there and stuck. form displays but wont disappear.. how do i make is disappear.
View 9 RepliesI have a webbrowser I'm making, and my listbox items for form2 disappear once I close form2 and reopen form 2. However, once I restart the program (Close everything) and re-enter, the data is saved. But once I reopen the selected form, the listbox items are lost. Here is my code (It's long)
View 6 RepliesI have a MainForm which contain SecondaryForm as a control of the MainForm.SecondaryForm contains DataGridView which loads data from sql server and I add a collumn named SUM that SUMs all the values of the same row. This is provided within the LOAD event of the SecondaryForm.When SecondaryForm.Load events finishes, the program goes back to MainForm right after the line "SecondaryForm.Show" and here the values of the column SUM disappear.When i write those values runtime, they never disappear.
View 6 Replieswhen i try to minimize a form and restore to normal the form is being resize.It's resize getting extending a form when time to minimizing a form and restore it.my form is set to formborderstyle is fixedsingle and i'm using namespace. why is hapening like that...i don't know why
View 10 Replies[url]..I'm trying to use the Restore.Abort function during an SMO restore process - What would be the best method?
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I have a search page in one form(Search.vb) and another form(Form1.vb) to display the details of selected data from the search form.
I already have back button in Form1.vb which returns to some other form say (Action.vb).
In case of searching data it returns to Form1 to modify the selected data, In this case if i press the back button in Form1.vb it should return to search.vb with the details that i entered for searching.
Is there any way to save and restore the form whenever needed with its details?
I've created a "Loading" borderless Form that's displayed when loading records etc. I'm using the following to keep the loading dialog centered within it's parent.Works great except fo when the form is minimised estore- The loading form appears instantly while the parent (Owner) maximises with the usual VistaWindows 7 animated maximise.
What would be the best method to prevent the loading form appearing before the main form?
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Imports System.Runtime.InteropServices
Imports System.Diagnostics
Private Const SW_HIDE As Integer = 0
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The program is in foreground on click, but fails to maximize/restore.
I'm currently using VB.Net 2008. The project has the "make single instance application" checkbox checked. The application works by hiding the form when the form is minimized.
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I am trying to create my own title bar, but left-double-click does not maximize/restore the form; however, double-clicking any of the remaining buttons on my mouse (right, middle, 'forward', and 'back') maximizes/restore the form. This 'feature' is caused by MouseDown event. If the MouseDown event is removed,the DoubleClick event operates as expected.Can both events be used concurrently (at the same time) with out any loss of functionality?
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Is there anyway to disable/remove "Restore" button in MDI Child form while child form is in Maximized state?I have set "ControlBox = False". Although this remove the whole control box including "Close".Case is I want this "Close" button but not "Minimize" or "Maximize/Restore" button.Is there anyway to do this without using API?
View 4 RepliesI have created an app which has a timer control which, when activated and meets a certain criteria, launches a second form with an alert for the user to review and action. this works just fine. Except.... when the main app is minimised and has lost focus, instead of launching the second form to a normal windows state it opens and sits in a minimized state itself and just flashes. How can I get the the second form to restore to a normal windows state?I have tried form2.focus and tried the windowsstate=normal etc but I'm still barking up the wrong tree.
View 2 RepliesHow can I add controls to a form in code and set the properties of the controls using the With statement?Also I would like to know how to add a container control and then add a control to that container.
View 2 RepliesI have a slight problem With an enumaration of child controls on a form. The following code will not get but about have the controls that are on the form. The controls show that the count is correct but when it goes through the loop it skips over some of the controls. If you run it through the enumeration two or three times it will get all the controls a few at a time. The solution uses two forms, one that has the controls and the other that labels are made and displayed on. The Tx is just a index to add a number to the label.name and rename the label. So each label is identified seperately. This works for all the the controls that are seen in the for each loop.
View 11 RepliesI created a class that can take either usercontrol.controls or form.controls as a parameter,how can i pass either to that class? as a property or how?
View 4 RepliesI have a module level sub that I use to clear text fields etc on my forms:
CODE:
The problem I have is in the last few lines of code as I'm not really sure how to access the text boxes contained within the tab controls (of which there are many tabs and many text boxes).
This is the closest I've got but I am getting an "option strict on disallows late binding" error on the tabCtl in the following line.
Is there a way to "unminimize", restore from the taskbar, a form?I have two forms and I want form2 to be restored when I restore form1.
View 6 RepliesI have a form. And some controls(such as TextBox,ComboBox,etc.) on the form.Now,I want to store the controls' Text into a .txt file(or any other formarts).Then I want to read the text in the .txt file to my controls.
View 10 RepliesInside a form, I would like to display a pdf file which is already available in my resources (template file "untitled"). In this pdf file, I have some fields which get their values from some texboxes in another form. My aim is, when the user triggers the button to call this form, it should insert the values inside the pdf file and display the output pdf inside the form.I have written the code to an extend but could not finish it myself after my many trials... Now here are the two things I cannot manage:I can use a directory to read the template pdf "untitled1.pdf". But my aim is to use the file inside my resources. can save the output file in a directory but this is not I want to do. I want to display the output pdf.
View 1 RepliesHow would i make so when the user resizes the form the controls on the form resizes to what ever(ex: form become full screen textbox is full screen.
View 2 RepliesI am using visual basic and when I try to hide Navigation bar, I am not able to, it is disabled. Ok I tried to turned it off going to "all languages", althought I unchecked the setting. It didn't disappear. I restarted visual studio, closed all open classes. It is just visual basic, when I try with c# I can hide and show it.
View 1 RepliesI am storing labels in a collection array called mylabels.now I want to not only remove a label from the array but also from the picturebox it is drawn on.I am trying the following
mylabels.RemoveAt(x)
but although the labels are removed from the array, even on picturebox refresh they donot disappear from picturebox.
I have seen this problem before but I haven't seen an answer to the question that applied to my particular case. I have a BackgroundWorker running in my VB form, as well as a progress bar and some labels. I also (if it's important) have a WebBrowser on my form, but it isn't affected by the thread.
View 1 RepliesI took picture box and some container controls on my MDI form but when I am opening my child forms it going to backside of my MDI forms controls.
How can I resolve this issue because I cannot remove my controls from my MDI form but at the same time I want to use my child form worked properly.