What are some good resources for winforms development? For example, when you have to have a bunch of different controls and event handlers on one form. Do you use partial classes, user controls, special attributes,...? How do you handle communication between user controls - only with events? Are there any patterns you can use? ...
In fact the UserControl lacks the property 'SizeToContent' that we have in Window. So the question is: what's the easiest and right way to simulate SizeToContent=WidthAndHeight behavior on UserControl? UPD... yeah I know it suppose to get that automatically if no Height and Width defined in the container where you're placing a user c...
I have a MasterPage, several content pages - each of the content pages have a UserControl. In the MasterPage, I'm setting the Page.Title programmatically based on Page_Init "Request.UserAgent.Contains....", so that the content pages end up with different page titles based on this. Each content page has its Title set to blank (Title=" "...
I have a kind of weird situation ... I have a User Control in WPF witch in turn has some other User Controls attached to it, then I have a huge C# code file with a big algorithm which needs access to the User Control UI Elements and methods, this hole process works with a Timer which sends data to the C# code file algorithm from the Use...
Hello, for learning purposes I would like to know how to implement an image (and/or) pdf viewer on my own. I'm interested in the general approach to implement such a thing. I already read about the different formats on the net (tiff/pdf) so I found out that these files have a special format which describes where I have to look for a h...
I have a base class (representing a real world container filled with small spheres) and some derived classes. This works just fine. My problem is how to do their visualisation. I have a UserControl visualising the base class. Is the best solution to have a derived UserControl for each of the derived classes? Or is it better to have just ...
Hi! I have searched the net for a way to access an object/property within a UserControl. I have a Page object in my view in wich i load a usercontrol: <UserControl:RichTextEditorControl Height="350" /> How do i access an object/property which resides in the viewmodel of my view from my usercontrol? To put my problem in practice: i h...
For more classes derived from a base class I decided to have a base UserControl and derived ones for each derived class (for visualisation; box on the right side of the image). Now each of the derived UserControls have a specific settings (red rectangle on left) The settings UI is a separate UserControl (can be moved freely, put to...
I have a custom UserControl (inherits System.Web.UI.UserControl) with this property, which should be set to a URL on the site that you want to link to: [DefaultValue("~/NewsItem.aspx"), UrlProperty("*.aspx")] public string InternalItemViewUrl { get { return _internalItemViewUrl; } set { _internalItemViewUrl = value; } } The co...
Hello. At my user-control I populate listbox with collection and want save data in viewstate\controlstate for further autopostback using. protected void btFind_Click(object sender, EventArgs e) { var accounts = new AccountWrapper[2]; accounts[0] = new AccountWrapper { Id = 1, Name = "1" }; accounts[1] = new AccountWrapper { ...
I have a problem because y want to create a UserControl that can have a functionality as a container. I used the link: http://support.microsoft.com/kb/813450/en-us?fr=1 but i suposed that this part don't work for WPF 4.0: [Designer("System.Windows.Forms.Design.ParentControlDesigner, System.Design", typeof(IDesigner))] public class ...
Hi, To implement tab based environment in WPF we need to convert our WPF form to user control to accomplish tab based environment, however when doing this, loaded event of user control is called two times. While searching on the internet other people also pointed this issue. How can we ensure that loaded event is called only one time,...
I haven't seen this implemented before in ASP.NET, but am thinking about a UI that would look and act like this: Conceptual Overview A TabControl is loaded and the first tab contains a grid When a row is double-clicked, a new tab is created with the record detail The content of the tab/record detail is created by a usercontrol Many ta...
One of my upcoming projects needs a rather complex control (functionality wise) and I was wondering what, from experience, are good resources to look at / read? Any suggestions ...
I thought I ask the more exprienced Silverlight users about what they think is the best way to embed Silverlight user controls into an ASP.NET page - in special regards to stablish an easy way of communication between the conrols. I have heard about services, query strings, etc. but I'd like to find out what has worked for you the best ...
Hi, I have an application with plugin-like structure. all application forms inherit from a base UserControl : public class BaseUserControl : UserControl { // some common properties and methods // protected override void OnLoad(EventArgs e) { base.OnLoad(e); } } and are compiled in different assemblies. When I want to show a form...
Hi. I am trying to fire "Controls.Clear" but it never works because Controls.Count is always zero. This shouldn't be the case. I have pasted the program logic below. The comments are built by a control - Comments.ascx - which fires the below OnInit event: protected override void OnInit(EventArgs e) { _presenter = new Com...
Hello I have UserControl1 which is a FormatButtonBar with format buttons AND I have UserControl2 which is a DataGrid with RichTextBoxes as cell editors. I want to reuse UserControl1 at different places of my application. This is what I want to achieve with pseudo code: <UserControl1> <ToggleButton Content="bold" IsChecked="{Binding I...
I have a 27 usercontrols in a Ajax:Tabcontainer in a single aspx page with 1200 controls, I like to refresh any one of the usercontrol but unfortunatly it refreshed all the 27 user conrtrols... I have a huge performance hit on a web page. __doPostBack('UpdatePanelTobeRefreshed'); Thanks! Chetan. ...
Suppose I have javascript within ASP.NET UserControl: function setValue(DataItem) { var selectedDate = DataItem.getMember('DomainNameKey').get_object(); Picker1.setSelectedDate(selectedDate); } Where Picker1 is also inside the control. Because Picker1's ID will be renamed at runtime, what do I put in the code below to make ...