WPF

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Re: win32 window as c# wpf control mkusnjer1-May-13 13:24 mkusnjer 1-May-13 13:24  I believe they are written in C#, or maybe they are managed C++. But they name says that they are _.Interop.Wpf.dll Will try to examine it as you suggested. Re: win32 window as c# wpf control AlphaDeltaTheta3-May-13 4:33 AlphaDeltaTheta 3-May-13 4:33  Hi, You're rather trying to do something that will break WPF! WPF is rendered using DirectX. The whole thing, there is just a window wrapper for win32 environment. You cannot do anything by passing it an WM_PAINT message. Here comes the fix. Set up a winforms host inside your app xaml. Put a label control (winforms equivalent of STATIC) inside the host . Set the text to empty. get it's HWND by getting its Handle property and pass it to your native library that does OpenGL stuff through P/Invoke. Here is a MSDN Walkthrough to guide you. Just replace that MaskedTextBox code with a Label. Good Luck! Dynamically create radiobuttons under the group header that can span to N - number of groups Rajesh Sajjanar27-Apr-13 10:29 Rajesh Sajjanar 27-Apr-13 10:29  How to create radio buttons dynamically as shown below in WPF Group1 Group2 . . . . . GroupN A 1 B 2 C 3 . . . . . N Re: Dynamically create radiobuttons under the group header that can span to N - number of groups Kenneth Haugland27-Apr-13 12:32 Kenneth Haugland 27-Apr-13 12:32  Id proberbly use a DataTable or a ListView for this, but there are also other more cumbersome possibilities: WPF-Drawing Canvas Control[^] Re: Dynamically create radiobuttons under the group header that can span to N - number of groups Mycroft Holmes27-Apr-13 13:06 Mycroft Holmes 27-Apr-13 13:06  Host your groups and radio buttons in a collection control, datagrid, listview, treeview, itemscontainer and bind the itemssource to your underlying collection. Limit n to a workable number. Never underestimate the power of human stupidity RAH IdeaBlade vs OData Super Lloyd25-Apr-13 18:36 Super Lloyd 25-Apr-13 18:36  Hi, I just moved to a new company. And they use this seemingly cool ORM: IdeaBlade, will let the developer do Linq2SQL on the client (Silverlight) side. There are performance issue though... Haven't work with real data yet (it's big) but just the ORM seems to have some down time (due to initialization and query parsing) I wonder did anyone here used IdeaBlade (DevForce)? is it good? How does it compare to WCFDataService? My programming get away... The Blog... DirectX for WinRT/C# since 2013! Taking over the world since 1371! WPF Login in MVVM Issue KishoreUHG21-Apr-13 23:44 KishoreUHG 21-Apr-13 23:44  Hi All, Can anybody help me in wpf mvvm pattern. I am facing an issue i.e., i created a login form and main window (after login, if login sucessfull). I implemented the application in mvvm pattern. I don't know how to call the main window after sucessful login using mvvm. Can anybody help me out from here. Thanks Kishore Re: WPF Login in MVVM Issue Mycroft Holmes21-Apr-13 23:50 Mycroft Holmes 21-Apr-13 23:50  There are plenty of navigation examples[^] around, it is not as simple as you may think but once you have set up the navigation framework it is a no brainer. Never underestimate the power of human stupidity RAH Re: WPF Login in MVVM Issue KishoreUHG21-Apr-13 23:52 KishoreUHG 21-Apr-13 23:52  I am asking in wpf i.e., navigation between windows. Re: WPF Login in MVVM Issue Mycroft Holmes21-Apr-13 23:59 Mycroft Holmes 21-Apr-13 23:59  My bad - try this nifty focus change wpf navigation example[^] Never underestimate the power of human stupidity RAH Re: WPF Login in MVVM Issue KishoreUHG22-Apr-13 0:08 KishoreUHG 22-Apr-13 0:08  didnt find any solution.. Re: WPF Login in MVVM Issue Wayne Gaylard22-Apr-13 1:44 Wayne Gaylard 22-Apr-13 1:44  I generally override the OnStartup method on my App class and then call my Login View modally, which returns a bool indicating whether login was successful. Something like this (very simplified):- C# LoginView login = new LoginView(); //instantiate new login view login.ShowDialog(); if(login.LoginSuccess) { Mainwindow window = new Mainwindow(); } else { //do something if login not successful } When I was a coder, we worked on algorithms. Today, we memorize APIs for countless libraries — those libraries have the algorithms - Eric Allman Re: WPF Login in MVVM Issue KishoreUHG22-Apr-13 2:52 KishoreUHG 22-Apr-13 2:52  Found the solution Re: WPF Login in MVVM Issue Mycroft Holmes22-Apr-13 12:59 Mycroft Holmes 22-Apr-13 12:59  Excellent! It is a good idea to link to the articles/resources that you found useful as they will help the next person when they search this forum. Never underestimate the power of human stupidity RAH WPF Simular to tree view Saksida Bojan21-Apr-13 9:52 Saksida Bojan 21-Apr-13 9:52  Hello. I would like to present in a flat area a tree like view. Each item would be a non-movable panel with its own controls. Each child will have connected with a line (Also selectable). On top of it, some childs are going to have multiple parrents. The closest that i have seen to compare is code map in VS2012 Update 2. Example: Panel 1 and 2 are parents of panel 3 Panel1 Panel2 | | --------- | Panel3 I would like some pointers where to go, or if there is a custom control as long as it is free and can redistribute with or without source code. When i finish my personal project i will release source. As i am hobbiest programmer, my understanding on WPF is limited, so thank you for your time and patience. Re: WPF Simular to tree view Richard MacCutchan21-Apr-13 22:39 Richard MacCutchan 21-Apr-13 22:39  Check the WPF articles section[^]; there are many samples that will help you. Use the best guess Re: WPF Simular to tree view Saksida Bojan2-May-13 7:41 Saksida Bojan 2-May-13 7:41  Thanks for suggestion, but i didn't knew what to search. I am currently reading a WPF book and in a book i saw word diagram in it. At that moment i found WPF Diagram Designer article that is perfect. Since my native language is not english i could not remeber word, that would help me search on google WPF User Controls - Interacting With Other Controls Kevin Marois19-Apr-13 5:10 Kevin Marois 19-Apr-13 5:10  Maybe this is a simple question... I created a search control in WPF. I then placed it on a view. Since the view doesn't know about the user control, how can it get data off of it, or make calls into it. I tried using a messenger, but when there is more than one instance of the user control running, they al get the message. What's the right way to do this? Thanks If it's not broken, fix it until it is Re: WPF User Controls - Interacting With Other Controls Mycroft Holmes19-Apr-13 13:19 Mycroft Holmes 19-Apr-13 13:19  Maxx wrote an article where his messages have a destination that consumes the message and it does not propagate further. Just off the top of my head I would create a search interface on each VM that handles the interaction and pass the VM to the search VM onnavigateto of the view. Never underestimate the power of human stupidity RAH Re: WPF User Controls - Interacting With Other Controls Kevin Marois19-Apr-13 13:21 Kevin Marois 19-Apr-13 13:21  Thanks Can you point me to the article? If it's not broken, fix it until it is Re: WPF User Controls - Interacting With Other Controls Mycroft Holmes19-Apr-13 13:26 Mycroft Holmes 19-Apr-13 13:26  Bastards got 3 Xs[^] and underscores in his name, amazing what the mind thinks it sees Never underestimate the power of human stupidity RAH Re: WPF User Controls - Interacting With Other Controls _Maxxx_7-May-13 20:09 _Maxxx_ 7-May-13 20:09  Sorry about the XXX and _ It was originally underscore free but I had some hassle with the account and creatged a new one - and it wouldn't let me use Maxxx. I actually wanted to use .\\axxx but it wouldn't let me do that either Thanks for referring to my article, BTW MVVM# - See how I did MVVM my way ___________________________________________ Man, you're a god. - walterhevedeich 26/05/2011 .\\axxx (That's an 'M') Re: WPF User Controls - Interacting With Other Controls SledgeHammer0124-Apr-13 8:48 SledgeHammer01 24-Apr-13 8:48  Not quite sure an "e.Handled = true" concept in messenger makes sense since the messages are going to be propogated in a random/arbitrary/indeterminate order. Its really up to the subscriber to determine if the message should be handled. Your "e.Handled = true" concept might just mean that somebody handled it and its up to the subcriber to play nice and check the flag. A lot of messenger implementations fire & forget the notifications in async mode too. Then it makes even less sense. Re: WPF User Controls - Interacting With Other Controls Mycroft Holmes24-Apr-13 12:25 Mycroft Holmes 24-Apr-13 12:25  I'm afraid I subscribe to fire and forget school and have not implemented the Handled concept. I do have trouble defining the boundaries of where a message should be used! Never underestimate the power of human stupidity RAH Re: WPF User Controls - Interacting With Other Controls Kevin Marois25-Apr-13 10:54 Kevin Marois 25-Apr-13 10:54  Now that I'v had a few days to thin about it, the subscriber should pass in it's id to the control Init. Could be a PK or a guid. If there are 3 tabs open, each instance of control would be intiailized with a different id. Then, each subsequent call would have that Id passed with it. Then control's methods would only act if the Id passed in the message matches that sent in the 'init' method. If it's not broken, fix it until it is

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