wpf

问题 I have SQL Server Database which is present on some web server.I made a WPF or Windows form Desktop application using C# .Net.I want to retrieve data from sql server database in my desktop application as per end user requirements on its own local PC.Give me best way and best solution regarding security and accessing data. 回答1: You have 2 options. 1. Write the business logic layer which resides on the web-server and communicates with DB to serve the required data based on requests coming from

问题 I have SQL Server Database which is present on some web server.I made a WPF or Windows form Desktop application using C# .Net.I want to retrieve data from sql server database in my desktop application as per end user requirements on its own local PC.Give me best way and best solution regarding security and accessing data. 回答1: You have 2 options. 1. Write the business logic layer which resides on the web-server and communicates with DB to serve the required data based on requests coming from

问题 When I create a new window using .Show() , it shows the new window, however my icons are grouped like below: I don't want that. I want the icons to be separate because I want my users to easily open the window that they want instead of having to click it, view the list of open windows, then choosing which one they want every time. I don't want to use .ShowDialog() because I need the users to be able to focus on either window no matter the state of the other. Meaning, both windows will need to

问题 When I create a new window using .Show() , it shows the new window, however my icons are grouped like below: I don't want that. I want the icons to be separate because I want my users to easily open the window that they want instead of having to click it, view the list of open windows, then choosing which one they want every time. I don't want to use .ShowDialog() because I need the users to be able to focus on either window no matter the state of the other. Meaning, both windows will need to

问题 I have a problem binding data to a WPF DataGrid using Python.NET The code is shown below, and I've tried three different approaches to binding data - each fails and the error message is included as a comment in the code below If I do not attempt to add data, the datagarid displays correctly with headers. But I'm unable to populate the grid with any data. Any help will be gratefully received!!! Doug import clr #.NET references import System import System.Windows.Controls as WPFControls import

问题 I have a problem binding data to a WPF DataGrid using Python.NET The code is shown below, and I've tried three different approaches to binding data - each fails and the error message is included as a comment in the code below If I do not attempt to add data, the datagarid displays correctly with headers. But I'm unable to populate the grid with any data. Any help will be gratefully received!!! Doug import clr #.NET references import System import System.Windows.Controls as WPFControls import

问题 I have a problem binding data to a WPF DataGrid using Python.NET The code is shown below, and I've tried three different approaches to binding data - each fails and the error message is included as a comment in the code below If I do not attempt to add data, the datagarid displays correctly with headers. But I'm unable to populate the grid with any data. Any help will be gratefully received!!! Doug import clr #.NET references import System import System.Windows.Controls as WPFControls import

问题 The last day i've tried to make this work: Wake up my computer from sleep or hibernation, using a WPF application. Nothing i've tried worked. So far I've tried the most popular examples on the net.. For example: [DllImport("kernel32.dll")] public static extern SafeWaitHandle CreateWaitableTimer(IntPtr lpTimerAttributes, bool bManualReset, string lpTimerName); [DllImport("kernel32.dll", SetLastError = true)] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool SetWaitableTimer

问题 I try to write code to make simple highlight on mouse I make a full window and making it transparent it's working but i can't click through i searched for solution i find This Solution but the eclipse doesn't move and whole events doesn't work XMAL Code: <Window x:Class="ChangeMousePosition.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="MainWindow" Topmost="True" AllowsTransparency="True" WindowStyle=

问题 How can I disable tree items collapsing/expanding when I double-click on tree item? I still would like to do this by clicking on toggle button, but not when I double-click on item. This is XAML I have: <TreeView Grid.Column="0" Grid.Row="0" ItemsSource="{Binding Categories}" helpers:TreeViewHelper.SelectedItem="{Binding SelectedCategory, Mode=TwoWay}" > <TreeView.ItemContainerStyle> <Style TargetType="{x:Type TreeViewItem}"> <Setter Property="IsExpanded" Value="True"/> </Style> </TreeView