Calling Win32 API Functions in VB 2010 - Listing 4

Public Class ShellExecute

    Public Declare Function ShellExecute Lib "shell32" _
        Alias "ShellExecuteA" (ByRef hwnd As Integer, ByVal Operation As String,
                               ByVal Filename As String, ByVal Parameters As String,
                               ByVal Directory As String, ByVal ShowCommand As Integer) _
                                As Integer

    Private Declare Function GetDesktopWindow Lib "user32" () As Integer

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) _
        Handles Button1.Click
        Dim ParentHandle As Integer = GetDesktopWindow()
        Dim ShowMode As Integer = 1 'Normal

        Dim result As Integer = ShellExecute(ParentHandle, "Open", "Sample.txt", "", ".", ShowMode)
    End Sub
End Class

About the Author

Joe Kunk is a Microsoft MVP in Visual Basic, three-time president of the Greater Lansing User Group for .NET, and developer for Dart Container Corporation of Mason, Michigan. He's been developing software for over 30 years and has worked in the education, government, financial and manufacturing industries. Kunk's co-authored the book "Professional DevExpress ASP.NET Controls" (Wrox Programmer to Programmer, 2009). He can be reached via email at [email protected].

comments powered by Disqus

Featured

  • C# Slides in Usage Ranking of Programming Languages

    "The fact that C# lost three places in the ranking of language communities during the last three years is mostly explained by its slower growth compared to C/C++ and PHP."

  • Telerik UI for Blazor Updated

    Progress announced an update to its Telerik UI for Blazor components, targeting Microsoft's open source Blazor framework that lets C# coders create web apps without having to rely upon JavaScript.

  • Infragistics Unveils UI Components for Blazor

    Infragistics, specializing in third-party UI/UX controls and tools, unveiled a new offering targeting Blazor, Microsoft's red-hot open source framework that allows for C#-based web development instead of traditional mainstay JavaScript.

  • AWS Open Sources Tool for Porting .NET Framework Apps to .NET Core

    Leading cloud computing platform Amazon Web Services open sourced the it announced in July for helping users port old .NET Framework applications to the new .NET Core framework.

  • Uno Platform Ports Windows Calculator to Linux

    Uno Platform has ported the famed Windows Calculator, open sourced last year, to Linux as part of a continuing "proof point" effort to demonstrate the reach of what it describes as the sole UI offering available to target Windows, WebAssembly, iOS, macOS, Android and Linux with single-codebase applications coded in C# and XAML.

Upcoming Events