Custom windows using .NET 2.0 and the WinAPI

menu.png

Introduction

This article shows how to create custom windows using GDI+.

Background

Some time ago, I had a task to create a menu for the MS PPTViewer application that allows the user to switch slides using menu items. I decided to create a menu using the WinAPI function "UpdateLayeredWindow" from the User32.dll library. This functions allow to draw any 32-bit image on the screen. For this menu, I implemented a library that I want to share.

Using the code

To create a custom window, you should inherit the TransparetWindow class and override the DrawPolygons method. This method should return a collection of IPolygons. This is done in order to draw the polygons after all the calculations.


See full detail: http://www.codeproject.com/KB/dialog/custom_windows.aspx

Comments

Post a Comment

Popular posts from this blog

Very fast test data generation using exponential INSERT

Image
Introduction This article (my first) will describe an algorithm that enables a large amount of data to be generated very quickly using a SQL query. The test data can be static or incremental, such as “Item Name” and “Item ID”, respectively, as shown below: Background One of the tasks I did in a project involves generating a testing table with 103,680,000 records. The conventional method of data generation would take a month; hence, a fast method of data insertion was required. The new method took only 5 hours. Using the code Conventional method – Sequential INSERT The conventional way of generating a list of numbers from 0…100000 would be using a loop and an INSERT statement as follows: CREATE TABLE #tempTable([Item ID] [ bigint ], [Item Name] nvarchar ( 30 )) DECLARE @counter int SET @counter = 1 WHILE (@counter 100000 ) BEGIN INSERT INTO #tempTable VALUES (@counter, ' Hammer' ) SET @counter = @counter + 1 END SELECT * FROM #tem...
Read more

Basic concept and fundamentals of ASP.NET MVC (Model View Controller) Architecture

Image
This is basic concepts and fundamentals of ASP.NET Model View Controller (MVC) architecture workflow. MVC is stands for MODEL VIEW CONTROLLER. ASP.NET MVC is an architecture to develop ASP.NET web applications in a different manner than the traditional ASP.NET web development. Web applications developed with ASP.NET MVC are even more SEO (Search Engine) friendly. Microsoft .Net Framework 3.5 is minimum requirement to develop ASP.net MVC application.   MVC (Model View Controller) Interaction with Browser Like a normal web server interaction, MVC application also accepts requests and responds to the web browser in the same way.   Inside MVC Architecture The entire ASP.NET MVC architecture is based on Microsoft .NET Framework 3.5 and in addition uses LINQ to SQL Server. What is a Model? MVC   model   is basically a C# or VB.NET class A   model   is accessible by both   controller   and   view A   model   can be used to pass data ...
Read more

MVC Architecture Model In ASP.NET

Image
When developing ASP.NET applications the need of reducing code duplication increases along with their complexity. This is because testing and performing changes become very difficult tasks when having many different sources of code with the same functionality. Model View Controller architecture (or pattern) allows us to separate different parts of our applications into tiers to fulfill this need. MVC Overview Model View Controller architecture aims to separate an application into three parts: Model:  It is the business logic of an application. From an object oriented perspective it would consist of a set of classes that implement the critical functionality of an application from a business point of view. View:  It can consist of every type of interface given to the user. In ASP.NET the view is the set of web pages presented by a web application. Controller:  This part of the architecture is the most difficult to explain, hence the most difficult to implement in ...
Read more