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c# - How to create a custom AuthorizeAttribute in ASP.NET Core?

Creating a custom AuthorizeAttribute in ASP.NET Core allows you to implement custom authorization logic beyond the standard roles and policies provided by the framework. Here's a step-by-step guide on how to create and use a custom AuthorizeAttribute: Create a new class that inherits from AuthorizeAttribute and override the AuthorizeCore method to implement your custom authorization logic. Here's an example where we check if a user has a specific claim:

c# - How to create a masked TextBox for taking IP Address input?

To create a masked TextBox for IP address input in C#, you can use various approaches. A common and straightforward method is to use a custom TextBox control with validation to ensure that the input conforms to the format of an IP address. Below is a step-by-step guide on how to create a simple masked TextBox for IP address input using Windows Forms.

c# - How to create a temp file with a specific extension with .NET?

Creating a temporary file with a specific extension in .NET can be accomplished by using the Path.GetTempFileName method to generate a temporary file and then renaming it with the desired extension. Below is a step-by-step guide to achieving this: Generate a Temporary File Name: Use Path.GetTempFileName to generate a temporary file name. This method creates a zero-byte temporary file on disk and returns its full path.

c# - How to create arguments for a Dapper query dynamically

In C#, using Dapper to create and execute queries dynamically involves constructing your SQL query and its parameters at runtime. Dapper is a simple and efficient ORM (Object-Relational Mapper) that works well with SQL queries, especially when it comes to dynamic queries and parameters. Here's how you can create arguments for a Dapper query dynamically:

c# - How to create click event on label in xamarin forms dynamically

In Xamarin.Forms, creating a click event on a Label dynamically involves a few steps to handle the tap gesture and execute the desired action. Unlike traditional controls like buttons, labels do not inherently support click events. Instead, you typically use a TapGestureRecognizer to detect taps on the label. Here's how you can achieve this: Create Tap Gesture Recognizer: Define a TapGestureRecognizer and attach it to the Label in your code-behind or ViewModel.

c# - How to create multidimensional array in Unity Inspector?

In Unity, you can create multidimensional arrays in the Inspector using the [, ,] syntax for 3D arrays or by using a custom inspector script. However, Unity's built-in Inspector does not support editing higher-dimensional arrays (e.g., 4D or higher) directly in the Inspector window. Here's how you can create a multidimensional array in the Inspector for a 3D array: