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Net-Framework/WPF/Controls-Elements WPF Datagrid: Column is not displayed 13.11.2018 4 WPF Datagrid: Column is not displayed Problem: Net-Framework/WPF/Code-Samples Read text from PDF using iTextSharp 10.10.2018 133 Read text from PDF Under C # you can create a complete PDF reader with just a few lines of code For this you can integrate the Nuget Package iTextSharp small Windows program with iTextSharp in C # and WPF Net-Framework/WPF/Error-Messages Error: A second operation started in this context before a previous asynchronous operation completed. 20.08.2018 454 Error: A second operation started in this context before a previous asynchronous operation completed Error: Net-Framework/WPF/Error-Messages Error: Can not implicitly convert type System.Threading.Tasks.Task long to long 20.08.2018 148 Error: Can not implicitly convert type 'System Threading Tasks Task ' to 'long' Not correct: Net-Framework/WPF/Entity-Framework Error: The underlying provider failed on Open.EntityFramework Entity Framework 20.08.2018 178 Error: The underlying provider failed on Open EntityFramework Entity Framework Error message: Net-Framework/WPF/Code-Samples Send emails with WPF 17.08.2018 133 Send emails with WPF With the following code sample you can easily send emails in WPF applications Net-Framework/WPF/HTML-Documents Evaluate Json in WPF 09.08.2018 147 Evaluate Json in WPF Task: I would like to evaluate a Json return from a website in WPF Net-Framework/WPF/HTML-Documents httpClient Error: There is no mapped character in the multi-byte codepage for the Unicode character. HRESULT: 0x80070459 08.08.2018 158 There is no mapped character in the multi-byte codepage for the Unicode character (Exception from HRESULT: 0x80070459) Problem: W Net-Framework/WPF How to create a database connection in WPF and connect to EF Entity Framework 02.08.2018 166 If you've added an existing database as a draft to the WPF project, the easiest way to create a data connection is to double-click the database under Visual Studio This opens the Server Explorer and integrates the SQL Server database as Datat Conn Net-Framework/WPF/Code-Samples C # Application: Webrobot to read all Ebay Kleinanzeigen 20.02.2018 346 Task: The application scours through a full range of Ebay Classifieds The application is written in C #, WPF Base: Ebay Classifieds does not filter the results for fulltext input, it only displays the results which Net-Framework/WPF/Code-Samples WPF: Navigate to a page 13.02.2018 290 Switch from a window to a page In MainWindows with the code private Net-Framework/WPF/Code-Samples WPF: create a selectable list 13.02.2018 447 The following code example shows how to create a list in WPF with selectable rows The list consists of UserControl elements, which appear stacked in a stack panel as a list A list with its own user control lines makes sense if a data grid or a pure table or Net-Framework/WPF/Code-Samples WPF: Set Startup Window 17.01.2018 484 Where to put in WPF, with which windows the application should start? Solution: In the file: App xaml in the header is the setting StartupUri = "MainWindow xaml" Here you can change the setting Net-Framework/WPF/Code-Samples Add WPF Local SQL Database to Application and Connect Data 04.01.2018 3538 If you need a database in WPF that only serves as a data store for the WPF application, then you should create a local database The database is created and linked with Add New Item-> Service Based Database This is a local SQL Server database that places t Net-Framework/WPF/Error-Messages Error caused by Caliburn Micro 14.08.2017 675 Error caused by Caliburn Micro In a download project from Windows 8 1 for the transfer in Windows 10 the error is shown, that there is an internal error to the Caliburnproject and Caliburn Micro The use in the old project can be found in the XAML header Further t Net-Framework/WPF/Error-Messages WPF: System.Windows.Interactivity is broken or missing 14.08.2017 1938 WPF: System Windows Interactivity is broken or missing In a project, the System Windows Interactivity reference is showing an error System Windows Interactivity Net-Framework/WPF/Migrate-to-UWP WPF, Bridge: StorageFile access with Windows 10 under Win32 21.07.2017 862 WPF, Bridge: File access with Windows 10 under Win32 The functionality of the UWP Windows 10 can be integrated under Windows 32 WPF WinForms Then you can open and manage files with asynchronous access as a storage file In contrast to UWP you have the comp Net-Framework/WPF/Code-Samples WPF / UWP: Canvas with relative positions and sizes 07.07.2017 1755 WPF UWP: Canvas with relative positions and sizes This code example shows a Windows XAML application, where the positions and size of the elements in a Canvas Control match the runtime, relative to the size of the window or canvas element In the Canvas_ChangedSize Net-Framework/WPF/Code-Samples C #, WPF, UWP: ScreenShot to save an app or window area as a file 06.07.2017 1353 C #, WPF, UWP: ScreenShot to save an app or window area as a file C #, WPF, UWP, RenderTarget Bitmap, Encoder, SaveSave as File, Desktop, Screen Area Render Windows window, app, application or XAML element as bitmap and save the element as a ScreenShot fil Net-Framework/WPF/Basics XAML: Text break in the button 06.07.2017 508 XAML: Text break in the button WPF, UWP, XAML, TextWrap, Wrap, LineBreak The UIElement, Framework ElementButton has no direct option for the text break If you want a text break in a button, you have to either set a sub-element TextBlock inside t Net-Framework/WPF/Code-Samples C #: Windows ScreenShot save as file 06.07.2017 817 C #: Windows ScreenShot save as file, Windows Graphics, Desktop This application in Windows WPF saves the current monitor as a screenshot in a png file Video Tutorial This application in Windows WPF saves the cu Net-Framework/WPF/Basics WPF Windows Font icons with Segoe MDL2 Asset 06.07.2017 2486 WPF Windows Font icons with Segoe MDL2 Asset With a trick WPF and C # can be installed in Windows applications under Windows FontFamily: Segoe MDL2 assets One can enter the font a FrameworkElements or UIElements into the Properties-> Net-Framework/WPF/Code-Samples WPF Color Picker on Color Cube 05.07.2017 1520 WPF Color Picker on Color Cube, Black White Color This code example contains a color picker (ColorPicker) with which you can determine a color at run-time in RGB values The color is returned, over which the mouse pointer is positioned as a cursor Net-Framework/WPF/Code-Samples WPF: Draw ColorWheel in C# by drawing Lines 04.07.2017 1017 WPF: Draw ColorWheel The following code creates a ColorWheel that is needed to select color in an application The solution is designed to automatically draw lines from the edges of a rectangle directly into the center of the rectangle using the draw_Lines () method Net-Framework/WPF/Code-Samples WPF: Snap In to Next Lines of Elements 29.06.2017 547 WPF: Snap Next Lines The following code example contains a WPF application in which the moving elements always dock onto the other elements The C # code is based on the fact that when a corner of an element is moved, the new position in the top and left position is Net-Framework/WPF/Code-Samples WPF Code: Usercontrol with customizable size at runtime 29.06.2017 1176 WPF Code: Usercontrol with customizable size at runtime This code example involves the calculation and adjustment of the size and position of a UserControl at runtime in a superior canvas UIElement C # Code, Code-Example Video ins Net-Framework/WPF/Code-Samples WPF: Save the background of a Windows app as a ScreenShot 28.06.2017 686 WPF: Save the background of a Windows app as a ScreenShot The following C # code saves the current background or the appearance of a Windows 32 WPF app as a bitmap This example also shows that only the app application is captured and not the background desktop behin Net-Framework/WPF/Code-Samples WPF, UWP: Create transparent app window 28.06.2017 1168 WPF, UWP: Create transparent app window Create a transparent app window A window becomes transparent with WPF when the following settings are entered in the XAML value Net-Framework/WPF/Code-Samples WPF: Determine the relative position of an element 28.06.2017 819 WPF: Determine the relative position of an element Under WPF, you can use TranslatePoint ( ) The position of a subordinate element to the upper left corner of a parent element C # Code example UIElemen Net-Framework/WPF/Code-Samples WPF: Mouse position 28.06.2017 645 WPF: Mouse position How to determine the position of the mouse pointer in a WPF application The position of the mouse is always determined relative to the upper left corner of a superimposed UIElement From the MouseEventArgs parameter in the Mo