I'm having trouble when trying to print a form that is bigger than the paper size. I would like the program to programmacitly scale to fit to paper size and send the drawing to the printer. Any idea? -- Message posted via http://www.dotnetmonster.com...more >>

I have a borderless WIndows Form. I've found that with a borderless form the ContextMenu for the program button in the task-bar is turned off. Upon advice from this list I can turn it back on by overriding the CreateParams property like so: Protected Overrides ReadOnly Property Cr...more >>

I am developing an MDI Windows Forms application using VS.NET 2003 in C#. I want to display help for the application when the user presses the F1 key. I have been able to get the HTML Help Viewer to display in a separate form as shown below. Is there a way to display the help viewer withi...more >>

I have a conundrum I'm hoping someone here might have an idea for: I am implementing a propertygrid on a form that is "bound" to a business object class containing global settings that a user will edit using the property grid. So far so good, works just fine etc etc. One of the properties...more >>

When is a good moment to attach to ParentForm.Closed event? I want to be notified when the form is closing, because I want to kill a worker thread in my control. But, I don't know when the ParentForm property has a valid value: if I put my control in a tab, ParentForm is null in OnLoad. ...more >>

I'm asking to see if anyone has found a way to deal with the issue of "non-selection" with the CurrencyManager. In particular, we have a grid control that we've created. When you have a parent and child grid, the CurrencyManager for each is set to the first row, so if the first row of the parent...more >>

Hi I have a strange issue. I am using a listview control and have an imagelist. The Listview is being displayed in details view . I have an icon against each of the list item.These icons show up perfectly in Windows 2000 but in XP , I dont see the icons. I am finding it difficult to troubl...more >>

Hello everybody. I want to do simple image viewer. I want to provide zoom functionality. I have done this, by changing PictureBox control dimesions. But this solution isn't good. Can we put into picuterbox fragment of our picture and don't change dimensions of the picutrebox. May you tell...more >>

Hello, i want to create my own control, but this control must be able to rotate. I know, how to overide OnPaint method. But..., for example I want to paint this control as rectangle with width 40, height 60 with variable rotation. How do I get new size of my control afer rotation? Is there...more >>

Hi, i have a Windows Form (Splashscreen) that runs on a seperate thread until my main app is up and running. This form has its FrameBorderStyle set to "None". How can I prevent this Form from beeing displayed in the "ALT+TAB" list? Any help will be greatly appreciated Frank Stegerwald...more >>

I can't seem to find out if the mouse cursor is over text in a richtextbox. I can use GetCharIndexFromPosition but all that does is tell me the closest character. But if the cursor is outside the range of current text, there's no way to calculate that. I'm sure there should be something to t...more >>

After doing google searches of the web and newsgroup postings, it would seem as though it would be really easy to add a background image to a listview using the provided responces everyone seems to give. Each responce is based off the same thing, using PInvoke and sendmessage with LVM_SETBKIM...more >>

I am looking for a grid control that also supports excell like calculaions functionality. I have looked at the Infragistics grid/calc engine and it lacks support for defining calculations on a range of cells/rows. Does anyone know of a grid that meets the requirements we have? -- Tha...more >>

I have form with datagrid control. I bind dataview object to datasource property of the datagrid to populate it with data. My question is how can I make columns and rows of the table inside datagrid resize when form itself resizes. I set anchor property properly so datagrid control itself D...more >>

I have two separate Forms executables that interact and behave visually to the user as one application. When my second app starts I set it's form to TopMost to ensure the user can see it above the first app so it appears like a child of the first. Of course this is not really what I want beca...more >>

I am using an arrary of double as the DataSource of a DataGrid object, but the DataGrid window contains nothing. What am I doing wrong?...more >>

Guys, I have a e-custom program which require Windows 98& IE 5.0 environment, and it is forbidden by this program to be upgraded to IE5.5 or higher. At the same time, I have a .net based program requiring that the IE must be equal with or higher than IE 5.01. But as the Windows 98 is no...more >>

How can I specify shortcut key combinations and hook them to my own events, similar to the ones that are optional in the MenuItems? - Peder -...more >>

Did You Know: a.. By 2010, emerging PC markets like China, Russia and India will add 566 million new PCs. (Source: Forrester Research) b.. Web users are up to four times more likely to purchase from a site that communicates in the customer's language. (Source: www.idc.com) Tech•Ed 200...more >>

Hello, Is there a simple way to save a collection of Image objects in one file? thanks in advance Pascal ...more >>

At design time I have entered some text into the tag property of some of my controls. (text boxes, labels etc) At run time I try and read the tag (MyCntrl.Tag.ToString), but it is always empty. Any help very much appreciated. thanks Rod ...more >>

i have win app that access web services for information.I want to lock down web services. I want to add users or groups to authorization tag to restrict access to only a few users. The only way i know to do this is to: add each person separetely - this means i have to maintain this section when...more >>

When running a no-touch deployment app from the Internet or Trusted Sites zone, the form opens with a bubble: "Microsoft .NET Security Information: This application is running in a partially trusted context. Some functionality in the application may be disabled due to security restrictions."...more >>

How do you change the displayed check when a checkbox is checked? I would like to show a red X in the box instead of the check mark. Thanks, Craig -- Message posted via http://www.dotnetmonster.com...more >>

I am a web designer/programmer who is attempting to hammer out a little windows application. I can not figure out what is the equivilenet of a select box. The combobox looks right but you can type in it like a textbox. The listbox/listview don't look right and have scrollies instead of a dro...more >>

I have seen various methods of capturing the screen or a window in .Net, but so far, code found can only capture a visible window. In VB6, I used a technique from MSKB article Q194580 to do this using SendMessage. My need is to be able to capture the image of the contents of all tabs in a tabstri...more >>

I have a form, and I need to do some processing after the form has displayed. The processing could take a few moments and could result in a dialog box being displayed. The problem is, I can't seem to find the event (to insert my processing) that happens after the form has displayed. Back in ...more >>

I have a combo box and populate it for my form. If you use the arrow key on the keyboard to go through the list, it works fine. If you use the mouse and click on the \/ button to show the whole list, nothing shows up. Does anyone know what is going on here?...more >>

I am trying to mimic the behavior of notepad where the find form stays in front and active yet the text form actively highlights the search string. Right now I have to close the find form in order to see the highlighted text. What do I need to do? Here is what I have now (note I am using the t...more >>

The DataGrid control always displays empty row at the bottom with the star in the row header. Is there any way to hide or delete this row? Thanks...more >>

I am trying to figure out how to assign the child form to the mdi container, in VB, when the child is called from a module and not from the container form. I know when called from the container form it is just: dim form1 as new form1 form1.MDIParent = me (being the container form) but thi...more >>

I´m tying to make my VB form bigger during runtime, but I can´t find out how to do. I would like the same function as the "replace" button has in the Find dialog in VB.NET. -- Wiggur...more >>

I create a class derived from TreeView and override the OnPaint method in which I add some drawing act. But when I run the program and find that the OnPaint method not be invoked actually. Why????? -- Niciyou Beijing, China...more >>

I am using the datagrid keydown event to make changes to selected rows (increment a column value when + is pressed). This works for the first time the key is pressed but the datagrid then goes in edit mode and jumps into the first textcolumn for editing. How can I prevent this behaviour? The ...more >>

Dear All, Below code I found in a post which bit older. I really appreciate if any of you could help me out to convert into VB.NET. Declare the API function. --------------------------- [System.Runtime.InteropServices.DllImportAttribute("gdi32.dll")] private static extern bool BitBlt( ...more >>

Is it possible to itterate through each of a .net application's forms just like we did in VB6?...more >>

Hi - I am getting a Null Reference Exception that is being thrown from Application.Run() method. This ocurrs after multiple events are raised which update a few user controls inside the Main Form. i cannot seem to isolate the exception any further than the Run method() even though I have p...more >>

How can I set a values in a mainform, and all the other's windows form can get this value ? I have a try, but failed ! any document ,or some simple code ? -- FireCrow Studio Kylin Garden EMail:w0wd@sohu.com ICQ:156134382 ...more >>

I have a winform app that is having security issue when it attempts to pull data from another server in the same domain. User for this app is a Domain Admin. Data is Paradox. Client has a utility app to fix the paradox data. That app will work in the directory where the data is in, but it w...more >>

Dear Sirs, I have developed a VB .Net windows application, but unfortunately when I this application tries to use more than 2GB memory it fails although there is available 4GB of memory on the machine. How may I allocate more virtual memory to be used by the application or extend this limi...more >>

hi, In VB6 we usedt to have property called selBold,selItalic etc on RichTextBox.In .NET , we no longer have such properties . Setting SelBold etc to true/false did all our work. How can we achieve such in .NET.Main problems occur we want to format text of mixed fontStyles. for example,Som...more >>

Hello, I know how to get a handle to a window using FindWindow() but how do I get all the controls on the window itself? Please help, thank you. -p...more >>

Hi, I'd like to develop a winform to launch CPL (control panel file) file and set some values on it. For example, %windir%\system32\inetcpl.cpl file (this file brings up IE "Internet Options" dialog) and I'd like to set some values on the dialog, e.g. "home page address" on the "General"...more >>

I have a toolbar on a windows tab control tab page which is on a form. I have added three buttons with icons via an image list. The icons display correctly in the VS and the first time I compile from the runtime. But when I compile again they vanish from the runtime but still appear correct...more >>

SSBhbSB0cnlpbmcgdG8gYWRkIGEgRm9ybSBpbnRvIGEgUGFuZWwgaW4gLk5FVCAyMDAzOg0KDQog ICBGb3JtMiBmZjIgPSBuZXcgRm9ybTIoKTsNCiAgIHBhbmVsMi5Db250cm9scy5BZGQoZmYyKTsN Cg0KQnV0IGl0IGZhaWxlZCBpbiBydW50aW1lIHdoaWNoIHNhaWQgSSBjb3VsZCBub3QgYWRkIGEg dG9wIGNvbnRyb2wgaW50byBhbm90aGVyIGNvbnRyb2wuDQpDYW4gSSBoYXZlIGFueS...more >>

I have a service that I want to start a process to run another process. My code is Sub ExecuteProcess() Try Dim Msg As String = "Download Service has fired" Dim RunJob As New System.Diagnostics.Process RunJob.StartInfo.FileName = "Runjob.bat" ...more >>

I am looking for a form event that fires when form_load has been completed. I need to start a long running process in the background and the process need to start by itself. What is the best way autostart an internal thread in a winform?...more >>

Please can you explain the following... I create a new form and add to it the following objects: a MainMenu, A MenuItem, a PictureBox and a Button. I change the button properties so that it is anchored BottomRight. I then create another form which inherits from the first. And I add to it ...more >>

Is there an easy (i.e. without creating a new control) way to make a ComboBox ReadOnly such that the user can't change its value but doesn't have to strain their eyes to read its greyed out text? ...more >>

Hi, I have a text control bound to a column that is of type Decimal. I am doing the validation myself to see if the user typed in something invalid, calling CancelCurrentEdit and cancelling the validation event. If the user typed in something that is not a number, such as 'abc', then do...more >>

Does anyone know if there is some way to set the Row Header Caption in a DataGrid or DataRow? I have no problem setting the column name through the DataColumn class using Caption {get; set;}. However, I can't seem to find the equivalent for the DataRow class. Thanks ...more >>

Hi I am learning windows fomrs and started with the sample in the quickstart tutorials and I am not able to display the control on my aspx page. I created a control library with one simple control having a panel and a button. panel's visible property is false by default and I added color to p...more >>

I have been searching the web and everywhere I asked the= question, the answer is that it is a Microsoft Bug=2E Well instead= of telling me that it is a bug, how do I fix this? My situation: I have a parent form (frmMain), a welcome/startup (or background)= form (frmWelcome) and other chil...more >>

Hello, I would like to know the following: In VB 6 I could create a dll file, place it on a server and register the dll file on each client computer, so all client computers know that the dll file is on the server. This way, I could make small changes to the dll, without having to reïnstal...more >>

I added a custom control to my project (Project -> Add User Control) and it won't show up under 'My User Controls' in the Toolbox. How do I get it to show up? (I know I could get it to show by right-clicking over the Toolbox, choosing 'Add/Remove Items...', and then browsing for my project's...more >>

I think I'm going brain dead on this one. Can someone give me an idea on how to do this? Some sample code would be helpful. ...more >>

hi all, In VB6 we used to have a property called OLEObjects on RichTextBox. I used it to make my richTextbox not accept OLE objects when user tries to paste. Code something like following: If RichTextBox1.OLEObjects.count > 0 Then If Len(Clipboard.getText) = 0 Then ' sh...more >>

I have a situation where I need to scan a folder for downloaded files and then process those files. I have a file system watcher which is looking for the creation of a file but clearly I want wait until the file is completely downloaded before I start trying to use it. At present I'm trying thi...more >>

(Notes: This is with DotNet 1.1, Windows XP SP2) I have a tabcontrol located on a form where the form has a background image. Ideally, I would like to have the background near the upper-portion of the tabs be transparent so the image of the form will show through. Initially, this seemed to ...more >>

I am writing a user control which contains a some child controls (all TextBox controls). When the user control is loaded, I could set it as focused, but non of it's child controls is focused. THen I could click on one of the child controls to make it focused. After that I try to set the focus ...more >>

Dear Sirs, I would like to run the below code using other credentials than the user running it, how can I use different credentials? Thank you, Yahya Dim msgobj msgobj = CreateObject("CDO.Message") msgobj.DataSource.Open(sUrl, , 3) If msgobj.fields("urn:schemas:httpmail:hasat...more >>

I have 2 components. 1) A User Control with a subclassed infragistics label docked = at the top and a panel filling the rest.=20 2) A subclassed infragistics textbox control I create a new component inherited from #1 above and then I drag my #2 = (textbox control) on...more >>

hi, Where the user input there Login Name and Password, and I want to remerber this values In maninform, and this values will be used by other form, eg: Change password Form, this need the user's name ,oldpassword, new password, and the user's name comes from the mainform. how can do for th...more >>

I know how to change the background colour of a tab page, but the actual tab itself stays grey. In fact the whole bar in which the tab is in stays grey. I would like to be able to change both the tab and the tab bar. Any clues much appreciated thanks Rod ...more >>

Anyone know how to get a tooltip on each row of a datagrid ? The tooltip text must be configured depending on the row that the mouse is hovering over, and the hover timer must be reset when the user is moving the mouse over the rows of the grid (but not necessarily moving off the grid). No ...more >>

I have an applicaiton that is supposed to run in the system tray but on some PCs there is a grey panel displayed. It's not a complete window but just looks like the grey background of the window. Why does this happen and how do I get rid of it?...more >>

I am looking for Wysiwyg Control for one of my projects - under C# windows forms Framework 1.1 Any thing simple and easy to implement. Thanks ...more >>

Hi folks, I've got a Form with several Controls. One of it is a UserControl. Then I have put some DataBinding to the Controls with control.DataBindings.Add(...); Know there is some strange Behaviour: Fist: When I change to the UserControl (by clicking in the control), it doesn't cause vali...more >>

It is probably a very simple question, but I can't find a right DataGrid property that prevents the user from adding new rows. Of course the 'ReadOnly' property does it, but the grid cannot be read only, since the user should be allowed to edit existing rows. However, when I leave ReadOnly se...more >>

anyone know a simple way to make a font property persist for a custom control? cheers dave ...more >>

I have a winform that will start directly from the scheduler. The program will perform a batch process and put status messages on a winform. I start up the back ground process as a delegate directly in my winform constructor after InitializeComponent();. Is this a good idea or is there a bett...more >>

I give a login form for my application, and I give 3 times to the app's user, if he input his name and pwd out 3 times, the login form will closed . how can I do it ? ...more >>

Hi, NG! Is there any updated version (.Net) of the Datarepeater control or do I have to use the old (VS6.0) version? Thanks. pax ...more >>

Hi, Does anyboy know how to implement following 2 features in .net? 1.Change screen color depth 2.Disable hardware acceleration So far, I know how to change screen resolution in .net, but havent found solutions for above 2 requirements. Looking forward to ur reply. Thank, Willia...more >>

Hi, I have in a dropdownlist the following values: "aa", "bb", "cc" I want the item "bb" will be the selected item. I can find it in a collection by: myItem = myControl.Items.FindByText("bb"); To make this item selected I can use: int index = myControl.Items.IndexOf(myItem). is ther...more >>

I have a Windows forms application that is reading messages off off a queue, and I want to stream them into a window to view. Currently I am using a textbox classes/methods of textbox.Append(...) and textbox.ScrollToCaret()... It seems that there is limit to the number of characters you can ...more >>

Hi First of, I am posting to this newsgroup as it seemed best suited even though I am writing C++ for a standard Windows application. The application uses GDI+ which forms the basis of the System.Drawing namespace...anyway here goes: I am trying to create a 1 bit per pixel mask to use as an ov...more >>

(Type your message here) -------------------------------- From: Zaher Zeidan is there a way to resize a form so that it's bigger than the screen size of the windows?? I mean if you run your windows with 780x1024 resolution you won't be able to set your height or width to any thing larger tha...more >>

Hi, I am generically adding a handler for the Validating event of various controls. When added to a checkbox, the event never fires. Any solution here? ...more >>

Hi, i found unusal things happening when Program main window is minimized. I'm writing large programm on C# and having problem whith memory size allocated bu program. Every time i use some dialog's ShowDialog() the memory size of process increases. But ones i minimize main window memory size ...more >>

My textboxes use Tahoma, 9. I want to use the same for my grid. Is is possible? How do I do this? I found this: DataGrid1.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) in another forum, ...more >>

Using VB.NET I have the path to my Access file stored in an App.config file: <add key="constring" value="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Data/METL.mdb;Persist Security Info=False"/> I usually set the connection like this: '* Get the appSettings constring value (set in the ...more >>

I'm developing an application for Pocket PC in VB .NET. My grid can contain up to 10 rows, but my table has only 2 and I see the dark gray area. Is there a way to change the color of it? 'DataGrid1.BackgroundColor' works for a Windows Application, but not Smart Device Application......more >>

I want to be able to drag a treeview node, drop it on to a rich edit box and when that event occures, insert some text into the rich edit at the location that the node was dropped. Possible? Any hints on how to do this, as I'm not sure where to start. ...more >>

Hi, I built a windows form client app that access a db on a network. Now I was wondering how can I set it up so that the app accesses the database through the web? I don't want to rebuild the client app into an asp.net app. Maybe I could or should use Web Services that sits on a web serve...more >>

I have a problem with my windows form. I want to display items that doesn't fit on one row in a listview. I would like to find a control which enables me to add all my columns but one to the first row and the last column on the second row. If it was a html-table an item would look like this <...more >>

Is it possible to get a reference to a collection of all an Application's loaded forms? I want to do something like... For each Form in Application.Forms Form.ResetLocation Next Form ...more >>

Is there any way of making the following code into a function so that I don't have to re-use the same code for all my buttons? I've tried to do this with the code at the bottom of my post but I get a build error saying 'Type FormToShow is not defined'. Cheers, Paul Private WithEvents Exa...more >>

Is there any way of making the following code into a function so that I don't have to re-use the same code for all my buttons? I've tried to do this with the code at the bottom of my post but I get a build error saying 'Type FormToShow is not defined'. Cheers, Paul Private WithEvents ...more >>

I have designed a custom control derived from UserControl which contains a LinkLabel and a TextBox. If the user uses the TAB key to move the focus to my custom control I want the TextBox to get the focus and not the LinkLabel. Therefore I set the TabStop property of the LinkLabel control to Fa...more >>

I have a useful framework, written in a different language (PowerBuilder), which I'd like to replicate in .Net and Forms, but I'm unsure of how to approach it, as the Event model is being used different between the development environments. Currently we have data entry screens, whose column...more >>