Hello, I am trying to use EM_SETEDITSTYLE property on the rich text box by doing following sendmessage WindowsAPI.SendMessage(customControl11.Handle,1228/*EM_SETEDITSTYle*/, 1,1); From richedit.h I find that style SES_EMULATESYSEDIT is represented by 1. But this call returns 0 indicating th...more >>

I frequently define internal UserControl-derived classes in my WinForms apps: internal class MyUserControl:UserControl{ ... } I'll often need to embed these controls in a Form, whose class is contained in the same assembly as the control. As far as I know, the only way to do t...more >>

I am building a small control with two panels and a splitter. At design time I want to be able to add this control to my form and then drag other controls on to it to be contained within the panels. Although I can drag controls on to it they do not get 'captured' by it. I added a couple of...more >>

Hello, I would like to catch the "minimize event" of a form and then add an icon in the systray. I found how to add the icon, but I can't find the "minimize event" of the form. What is it ? Regards. -- Didier BRETIN...more >>

Hi, I'm trying to write my own ListView control using VS2005 Beta1 (MC++). I've got problem with displaying images in ListView headers. When Application::EnableVisualStyles() is NOT call then the code below works, but I have no idea why it dosen't work with Application::EnableVisualStyles(). Any ...more >>

Dear all, I would like to know how I can clone a control in run-time. Let say I have a status bar on one form and I want to clone it to all other forms with original property values. I've tried to create a new instance on the target form and set the source object to the new instance, but fai...more >>

(Type your message here) Hi Everybody Let's assume that we have a standalone GUI-based application called "myApp.exe" and another .net form-based application called "form.exe". All what I want to do is that to embedd myApp into form. I have to code in this way: Process p = new Process(); p....more >>

Hi. I'm trying to put a RichTextBox into WYSIWYG mode, so that line breaks on the screen are the same as printed. I can successfully set the standard word wrap mode: SendMessage(MyBase.Handle, EM_SETTARGETDEVICE, IntPtr.Zero, 0) But I can't figure out how to set the WYSIWYG mode. It is ...more >>

I'm trying the ExtendedDataGrid (http://dotnet.leadit.be/extendeddatagrid/), having a small form trying to get the ComboBoxColumn to work but can't seem to make it work, it just shows a textbox. I've also added a FormattedTextBoxColumn but this one also seems to be shown as a standard textbox in...more >>

I'm trying to get three events working on a datagrid: 1) When a user clicks a row that row highlights.. That works fine using the mouseup event for the datagrid 2) When a user right clicks a row a context menu pops up. Also works fine using the mouseup event 3) When a user double-clic...more >>

I'm looking for a component that is like the form designer editor like the VS.NET IDE, the control need to supply some kind of panel that I will inherit from and I will be able to drag my panel to the editor and move it like the IDE, Any ideas? (I'm willing to buy one if necessary). Thanx....more >>

How can I retrieve ParentForm for a Panel? I have a control derived from Panel that runs some threads, and I need to stop these threads when the form with the control is closed so I thought of setting a handler on the form's Closed event. Or is there an other solution to stop the threads? I'd pre...more >>

If you create a form and place a textbox on it and set the cursor property for both of them to something other than the default cursor, the outer edges of the textbox (about 2 pixels wide) revert back to the default pointer. Any thoughts?...more >>

Hi, the version 2.0 of Magic Library is commercial. The older versions were for free. Has someone an older version and would share this version with me? Thanks Werner...more >>

Is there a way in vb.net to have the user browse to a file and return that file's name and path as strings? ...more >>

I am trying to use the openfilediaolog to open a file and read it one line at a time. openfiledialog returns a stream and from what I can see, streamreader is the only way to read a file one line at a time Anyone offer some guidance as to how to get around this. ...more >>

I would like to retrieve Color settings, serialize them via XML and construct the Color struct afterwards in order to use RichTextBox.SelectionColor. This would be easy if do not have to serialize the color, for example: ColorDialog colorDialog1 = new ColorDialog(); // Set the initial...more >>

I'm subclassing the button control and would like to change it so that instead of just an ImageIndex property, the user sees four properties called: ImageIndexNormal ImageIndexPressed ImageIndexHover ImageIndexDisabled And each of these properties acts like the ImageIndex property, ie., ...more >>

I have a form that has a GroupBox1 with 4 check boxes in it. Test1 checkbox, Test2 checkbox, etc.. I need a way to iterate through the checkboxes and store in an array all checkboxes whos values is checked. Here is what I have : For Each ctl In Me.GroupBox1.Controls If TypeOf ctl Is...more >>

BlankHi, I can't get this to work and don't even know if it's possible. Bottom line, can a datasource be reset via code? 1) I have two bound comboboxes on a tab page control (have no idea if the tab page causes a problem). The comboboxes are bound via their SelectedValue property. 2) Bot...more >>

Hi, I have added dynamically a variable amount of pictureboxes (names are PictureBox_000000, PictureBox_000001 ....) in my form (according to a selected list item). If another list item is selected I want to remove these PictureBoxes from the form and add the new Pictureboxes according to t...more >>

It looks as if the PrintPreviewDialog control cannot be localized and I wondered if anyone can confirm or deny this. All of the other dialog controls appear to be based on their equivalent Windows controls and therefore they get localized if you use a localized version of Windows. The PrintP...more >>

Hi, I have this problem: In several custom controls, derived from Windows.Forms.{TextBox, CheckBox, TabControl, etc} I need to get a refference to the hosting form as early as possible.(I need to subscribe to events in order to execute some code). the problem is that some controls can be pl...more >>

Does anyone know how to hide the tabs of the tab control? I've tried changing the height of the tabs to zero but that doesn't fix it. I've also found a bug in the tab control. The bug is when a developer sets the alignment to bottom and the tabs style to flat buttons. When the form is loaded...more >>

Hello, I have a project with multiple child forms (created from DLLs). When a button in the child form is clicked the Parent form needs to know what button was clicked. Any Suggestions will be greatly appreciated. Thanks, Chuck ...more >>

Hi, I have create a user control which is basically an extension of a list box. The listbox allows to edit the items by showing a control (e.g a text box, but not necessarily) when an item is double clicked. Due to requirement for generic implementation, the editing control is acquired ...more >>

Hi All i am creating a user control that holds controls.. the problem is when i add controls to the container control, the controls added scrolls up.. wot shud i do to stop the scrolling in the container control.. i am inherting the parentcontroldesigner and not scrollablecontroldesigner.. ...more >>

I recieved some excellent help from this newsgroup to modify the ListView's shift-click multiselect behavoir (see below). The problem I'm having now is that MouseUp event will not fire until the mouse is moved. Anyone have any ideas how to workaround this? ""Ying-Shen Yu[MSFT]"" wrote: ...more >>

I use VS .Net 2002 and a C# project. When I set ToolBarButton.Enabled to false, the corresponding icon is just gray. I mean it is not grayed a little bit in a way that you have the chance to recognize the underlying image, the image is completely hidden. This is very ugly, not user friendly and ...more >>

Hello, I am make my first steps with Windows.Forms and would like to build my own control on basis of the System.Windows.Forms.MonthCalendar. the goal is to inherrit my control from the MonthCalendar in such a way that i can add a date to the calendar and a specific backbround color of this ...more >>

I have a windows application with a form that contains a bound datagrid. On the form's closing event, I call MyDataAdaptor.Update. My problem is that if I edit a field in the datagrid, and I dont move the focus off the edited cell, the new value is never saved. How do I test if the current cell a...more >>

Hi I use a tab control in window form. When I remove all of the pages in tab controll, the screen is flicked. Could you tell me how to avoid the screen is flicked? Thanks Hung ...more >>

I am doing some drawing in the nonclient areas of my control by intercepting the WM_NCPAINT message in my WndProc. I need to reduce the amount of flicker in the nonclient area. But it seems that I cannot invalidate only certain portions of my nonclient area like I could in the client area. ...more >>

I'm working on a VB.Net applications that saves any file (txt, word, excel, pdf, etc...) in SQL Server as binary. Then, I need to show them and I thought of printpreviewcontrol + printdocument. I managed to show a text, but not a binary. Is there a way to make this work? or is there a better ...more >>

Hey, since I obviously can't be the first guy to hit this problem, was wondering what the preferred solution is ... I have two threads ... a message thread and the UI thread. On the message thread I would like to update the OrderBindingList ... but when I add another order to the list, since...more >>

I wonder if someone could explain what is happening and suggest how to overcome this issue (with theory?) I have two tables in a dataset. One holds the questions: with Stem the actual question text and QID as a unique identifier. The second table holds the options for the question (i.e in mult...more >>

Hi, here's the info: I have a problem with retrieving information from a file over the internet on .NET and I hope that you will be able to help me. When I try to retrieve information from a file, say an xml file, over the internet, I get the following error : The...more >>

Was wondering if anyone else has run into this? I have a dialog that has three textboxes ... A, B and C. The tab order is simply ... 1, 2, and 3 respectively. Eventhough that is the tab order, if A and B have text in them (lets say b/c it was restored from a config file) then textbox should ...more >>

Hello, I have been working with an application that sends a dataset to other forms that are called from individual DLL's. I have noticed that, a dataset that is passed to another form, when changed, changes the dataset in all of the forms. But, if you send a string to the other forms, that ...more >>

Hi, My windows app has a toolbar which points to a imagelist. I would like to display besides the image. I couldn't find any text property for the image in imagelist. Let me know how can I accomplish this. Thanks for ur time, Mary ...more >>

Hi all, I have a owner drawn list view control. And view is set to details, I have only one Column. How do I change the forecolor(blue) of a selected item to another color? thanks Gerry ...more >>

Hi, I am trying to catch the KeyPress event on my datagrid but it isn't working... i have also tried registering the handler with the event like this... dgGLBatch.KeyPress += new KeyPressEventHandler(dgGLBatch_KeyPress); but nothing changed. I was wondering wether a custom table and colum...more >>

I have created a class inherited from TabControl (below) which adds 4 properties to control the font and backcolor of selected and unselected tabs. These use the drawItem event when the OwnerDrawFixed DrawMode is set. My problem is that if the mouse pointer tail is over one of the tabs when ...more >>

BlankI have an app which includes a winform datagrid bound to a dataset. = At times a new row is added to the dataset and sometimes the datagrid = displays the new row as the last row and other times the row is=20 displayed as the first row. My code works great if the new row is = displayed l...more >>

Hi, Before asking my doubt, first I want to tell you about my application structure. I want to design a Client Desktop program, which has an MDI form. This MDi Form has one Horizontal Toolbar. Button of Toolbar get added whenever it find Plug-in dlls in "Plug-In" directory. Now this Plug in dll ...more >>

Hello, I have a form with multiple ComboBoxes with the style of DropDown. When loading my form, I prepopulate the combo boxes with items and select one item by default via the .selectedindex .items.getindexof(myobject). The issue I have is that when the form becomes visible, all the combo...more >>

I have a DataTable with several columns. One column is a string that represents distances.(1 foot, 5 meters, 3 cm, etc) I want to click on the column header and have the rows sort based on the distances: 3cm, 1 foot, 5 meters. I know how to create the "sort value" of each distance but I don'...more >>

Does anybody know if STAThread is a requirement when using OpenFileDialog? I have an app that is using MTAThread Form and the OpenFileDialog hangs on the OpenDialog() method under Win2k. No problems under WinXP. Thanks in advance. ...more >>

Hi, To make an XP style owner draw menu really look the part it's necessary to make a main menu item appear as a tab to its' menu when it is clicked. All the owner draw menus I've seen lack this feature - probably because you can't implement it in the OnDrawItem method. Does anyone know h...more >>

I am using selectnextcontrol to tab when the enter key is pressed. Works great except for multiline text boxes. Both sendkeys and selectnextcontrol delete the text from all of my multiline text boxes. The following is the code that does the work - I use addhandler to add the event to my cont...more >>