.NET MAUI Full Course : Cross Platform Development
.NET MAUI allows you to create multi-platform apps using one code base. That means you can develop for Android, iOS, macOS and of course Windows at the same time!
In this course I provide numerous examples on how to use all the tools MAUI provides. Check out the long table of contents below.
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man khastam download konam ba yek hamchin errori movajeh shodam
fekr konam ke file az rapidshare delete shode?!!
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ASP.NET 2.0 introduced a concept of application offline. This mean that when there is App_Offline.htm file in the root of a web application directory then ASP.NET will shut-down the application, unload the application domain from the server, and stop processing any new incoming requests for that application. In ASP.NET 5, there is an open-issue for supporting this feature.
WPF allows you to build modern desktop applications for Windows, and part of building an application is debugging code and optimizing performance. In Alessandro Del Sole’s WPF Debugging and Performance Succinctly, you will learn how to debug a WPF application by leveraging all the powerful tools in Visual Studio, including the most recent additions that allow you to investigate the behavior of the UI at runtime. Also, you will learn how to analyze and improve an application’s performance in order to provide your customers with the best possible experience and thereby make them happy.
- Debugging WPF Applications
- Stepping Through Code
- Working with Debug Windows
- Debugger Visualizers and Trace Listeners
- XAML Debugging
- Analyzing the UI Performances
- Analyzing the Application Performances
public abstract class ResourceProviderFactory { public abstract IResourceProvider CreateGlobalResourceProvider(string classKey); public abstract IResourceProvider CreateLocalResourceProvider(string virtualPath); }
public interface IResourceProvider { IResourceReader ResourceReader { get; } object GetObject(string resourceKey, CultureInfo culture); }
// Type: System.Web.Compilation.ResXResourceProviderFactory // Assembly: System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a // Assembly location: C:\Windows\Microsoft.NET\assembly\GAC_32\System.Web\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Web.dll using System.Runtime; using System.Web; namespace System.Web.Compilation { internal class ResXResourceProviderFactory : ResourceProviderFactory { [TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")] public ResXResourceProviderFactory() { } public override IResourceProvider CreateGlobalResourceProvider(string classKey) { return (IResourceProvider) new GlobalResXResourceProvider(classKey); } public override IResourceProvider CreateLocalResourceProvider(string virtualPath) { return (IResourceProvider) new LocalResXResourceProvider(VirtualPath.Create(virtualPath)); } } }
internal class GlobalResXResourceProvider : BaseResXResourceProvider { private string _classKey; internal GlobalResXResourceProvider(string classKey) { _classKey = classKey; } protected override ResourceManager CreateResourceManager() { string fullClassName = BaseResourcesBuildProvider.DefaultResourcesNamespace + "." + _classKey; // If there is no app resource assembly, return null if (BuildManager.AppResourcesAssembly == null) return null; ResourceManager resourceManager = new ResourceManager(fullClassName, BuildManager.AppResourcesAssembly); resourceManager.IgnoreCase = true; return resourceManager; } public override IResourceReader ResourceReader { get { // App resources don't support implicit resources, so the IResourceReader should never be needed throw new NotSupportedException(); } } }
internal const string DefaultResourcesNamespace = "Resources";
internal class LocalResXResourceProvider : BaseResXResourceProvider { private VirtualPath _virtualPath; internal LocalResXResourceProvider(VirtualPath virtualPath) { _virtualPath = virtualPath; } protected override ResourceManager CreateResourceManager() { ResourceManager resourceManager = null; Assembly pageResAssembly = GetLocalResourceAssembly(); if (pageResAssembly != null) { string fileName = _virtualPath.FileName; resourceManager = new ResourceManager(fileName, pageResAssembly); resourceManager.IgnoreCase = true; } else { throw new InvalidOperationException(SR.GetString(SR.ResourceExpresionBuilder_PageResourceNotFound)); } return resourceManager; } public override IResourceReader ResourceReader { get { // Get the local resource assembly for this page Assembly pageResAssembly = GetLocalResourceAssembly(); if (pageResAssembly == null) return null; // Get the name of the embedded .resource file for this page string resourceFileName = _virtualPath.FileName + ".resources"; // Make it lower case, since GetManifestResourceStream is case sensitive resourceFileName = resourceFileName.ToLower(CultureInfo.InvariantCulture); // Get the resource stream from the resource assembly Stream resourceStream = pageResAssembly.GetManifestResourceStream(resourceFileName); // If this page has no resources, return null if (resourceStream == null) return null; return new ResourceReader(resourceStream); } } [PermissionSet(SecurityAction.Assert, Unrestricted = true)] private Assembly GetLocalResourceAssembly() { // Remove the page file name to get its directory VirtualPath virtualDir = _virtualPath.Parent; // Get the name of the local resource assembly string cacheKey = BuildManager.GetLocalResourcesAssemblyName(virtualDir); BuildResult result = BuildManager.GetBuildResultFromCache(cacheKey); if (result != null) { return ((BuildResultCompiledAssembly)result).ResultAssembly; } return null; } }
نکته: باتوجه به استفاده از عبارات بومیسازی ضمنی در استفاده از ورودیهای منابع محلی، خاصیت ResourceReader در این کلاس نمونهای متناظر برای درخواست جاری از کلاس ResourceReader با استفاده از Stream استخراج شده از اسمبلی یافته شده، تولید میکند.
internal abstract class BaseResXResourceProvider : IResourceProvider { private ResourceManager _resourceManager; ///// IResourceProvider implementation public virtual object GetObject(string resourceKey, CultureInfo culture) { // Attempt to get the resource manager EnsureResourceManager(); // If we couldn't get a resource manager, return null if (_resourceManager == null) return null; if (culture == null) culture = CultureInfo.CurrentUICulture; return _resourceManager.GetObject(resourceKey, culture); } public virtual IResourceReader ResourceReader { get { return null; } } ///// End of IResourceProvider implementation protected abstract ResourceManager CreateResourceManager(); private void EnsureResourceManager() { if (_resourceManager != null) return; _resourceManager = CreateResourceManager(); } }
System.Resources.ResourceManager(string baseName, Assembly assemblyName)
var manager = new System.Resources.ResourceManager("Resources.Resource1", typeof(Resource1).Assembly)
var manager = new System.Resources.ResourceManager("Resources.Resource1", Assembly.LoadFile(@"c:\MyResources\MyGlobalResources.dll"))
public static ResourceManager CreateFileBasedResourceManager(string baseName, string resourceDir, Type usingResourceSet)
resgen d:\MyResources\MyResource.fa.resx
private ResourceManager CreateGlobalResourceManager(string classKey) { var baseName = "Resources." + classKey; var buildManagerType = typeof(BuildManager); var property = buildManagerType.GetProperty("AppResourcesAssembly", BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.GetField); var appResourcesAssembly = (Assembly)property.GetValue(null, null); return new ResourceManager(baseName, appResourcesAssembly) { IgnoreCase = true }; }
var manager = CreateGlobalResourceManager("Resource1"); Label1.Text = manager.GetString("String1");
private ResourceManager CreateLocalResourceManager(string virtualPath) { var virtualPathType = typeof(BuildManager).Assembly.GetType("System.Web.VirtualPath", true); var virtualPathInstance = Activator.CreateInstance(virtualPathType, BindingFlags.NonPublic | BindingFlags.Instance, null, new object[] { virtualPath }, CultureInfo.InvariantCulture); var buildResultCompiledAssemblyType = typeof(BuildManager).Assembly.GetType("System.Web.Compilation.BuildResultCompiledAssembly", true); var propertyResultAssembly = buildResultCompiledAssemblyType.GetProperty("ResultAssembly", BindingFlags.NonPublic | BindingFlags.Instance); var methodGetLocalResourcesAssemblyName = typeof(BuildManager).GetMethod("GetLocalResourcesAssemblyName", BindingFlags.NonPublic | BindingFlags.Static); var methodGetBuildResultFromCache = typeof(BuildManager).GetMethod("GetBuildResultFromCache", BindingFlags.NonPublic | BindingFlags.Static, null, new Type[] { typeof(string) }, null); var fileNameProperty = virtualPathType.GetProperty("FileName"); var virtualPathFileName = (string)fileNameProperty.GetValue(virtualPathInstance, null); var parentProperty = virtualPathType.GetProperty("Parent"); var virtualPathParent = parentProperty.GetValue(virtualPathInstance, null); var localResourceAssemblyName = (string)methodGetLocalResourcesAssemblyName.Invoke(null, new object[] { virtualPathParent }); var buildResultFromCache = methodGetBuildResultFromCache.Invoke(null, new object[] { localResourceAssemblyName }); Assembly localResourceAssembly = null; if (buildResultFromCache != null) localResourceAssembly = (Assembly)propertyResultAssembly.GetValue(buildResultFromCache, null); if (localResourceAssembly == null) throw new InvalidOperationException("Unable to find the matching resource file."); return new ResourceManager(virtualPathFileName, localResourceAssembly) { IgnoreCase = true }; }
نحوه استفاده از متد فوق نیز به صورت زیر است:
var manager = CreateLocalResourceManager("~/Default.aspx"); Label1.Text = manager.GetString("Label1.Text");
ASP.NET Core 1.0 (formerly ASP.NET 5) provides a revamped Web development framework geared towards the requirements of modern Web applications. The new framework, currently in RC1, requires you to learn many new concepts not found in ASP.NET MVC 5. To that end, this article enumerates a few important features that ASP.NET MVC 5 developers should know as they prepare to learn this new framework.
Not many are familiar with this awesome feature of dotnet core. Aspnet
team is actively maintaining a project named JavascriptServices
; Along with other packages, it includes the NodeServices
package. Using this package, one can easily create an instance of node
and execute JavaScript code (function) in the backend. If you think of it right now, you can see that it actually opens up a wide variety of development opportunities. By opportunities, I mean; the ASP.NET core project is trying hard to make its package eco-system (NuGet) rich but while doing it, why not get advantages of other package eco-system as well, right? When I talk about other than nuget package manager, the first name that comes to my mind is Npm
(node package manager). Npm
is the largest package manager out there on this very day and its growing rapidly. By using NodeServices
package, we can now use (not all of the npm
packages but) most of the npm
packages in our backend development. So, let me show you how to configure NodeServices
in your aspnet core project and use it to execute JavaScript code on the backend.
You'll often hear the terms framework
and platform
used interchangeably. This can be very confusing. You'll hear that .NET Core is a platform. Then you'll read that .NET Core is cross-platform. Next, you'll learn that .NET Core is a framework. And it doesn't help that framework is part of the name of the original full .NET Framework.
In this post, I explain the difference between frameworks and platforms and explain why sometimes you'll see .NET being referred to as a framework and other times see it referred to as a platform.
EF Code First #4
The term 'enable-migrations' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, veri fy that the path is correct and try again. At line:1 char:18 + enable-migrations <<<< + CategoryInfo : ObjectNotFound: (enable-migrations:String) [], CommandNotFoundException + FullyQualifiedErrorId : CommandNotFoundException