Add NOV Button control in WinForms at runtime
To get started and host NOV in your WinForms application, take a look at:
Getting Started with NOV in WinForms using only code
The following code shows how to add a NOV Button Widget (control) in
WinForms at runtime and raise the button click event, showing a message
in NOV Message Box:
using Nevron.Nov;
using Nevron.Nov.Dom;
using Nevron.Nov.Layout;
using Nevron.Nov.UI;
using Nevron.Nov.Windows.Forms;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
// clear all controls from the form
Controls.Clear();
// create the host
NStackPanel stack = new NStackPanel();
stack.Margins = new Nevron.Nov.Graphics.NMargins(5);
stack.HorizontalPlacement = ENHorizontalPlacement.Left;
stack.VerticalPlacement = ENVerticalPlacement.Top;
stack.HorizontalSpacing = 5;
stack.VerticalSpacing = 5;
// add text only push button
NButton textOnlyButton = new NButton("Text only button");
textOnlyButton.Click += new Function<NEventArgs>(OnButtonClicked);
stack.Add(textOnlyButton);
Controls.Add(new NNovWidgetHost<NStackPanel>(stack));
}
private void OnButtonClicked(NEventArgs arg1)
{
NMessageBox.Show("textOnlyButton.Click was raised.", "NOV Message Box");
}
}
}
Run the application - it should display a simple form with a "Text only button" button inside. When you click the button, the click event will be raised and will display a message inside a NOV Message Box.
Using Visual Basic .NET (VB.NET)
When you create a Visual Basic
Windows Forms Application, reference the NOV Assemblies and use the
following code in your Form1.vb:
Imports Nevron.Nov
Imports Nevron.Nov.Dom
Imports Nevron.Nov.Layout
Imports Nevron.Nov.UI
Imports Nevron.Nov.Windows.Forms
Public Class Form1
Inherits Form
Public Sub New()
InitializeComponent()
' clear all controls from the form
Controls.Clear()
' TODO: Apply license for redistribution here. You can skip this code when evaluating NOV.
NLicenseManager.Instance.SetLicense(New NLicense("LICENSE KEY"))
' Install Nevron Open Vision modules
Dim modules() As NModule = {}
NNovApplicationInstaller.Install(modules)
' create a stack panel
Dim stack As New NStackPanel()
stack.Margins = New Nevron.Nov.Graphics.NMargins(5)
stack.HorizontalPlacement = ENHorizontalPlacement.Left
stack.VerticalPlacement = ENVerticalPlacement.Top
stack.HorizontalSpacing = 5
stack.VerticalSpacing = 5
' add text only push button
Dim textOnlyButton As New NButton("Text only button")
AddHandler textOnlyButton.Click, AddressOf textOnlyButton_Click
stack.Add(textOnlyButton)
' create the host widget
Dim host As New NNovWidgetHost(Of NStackPanel)(Stack)
host.Dock = DockStyle.Fill
' add the host in the form controls
Controls.Add(host)
End Sub
Protected Sub textOnlyButton_Click(ByVal e As NEventArgs)
NMessageBox.Show("textOnlyButton.Click was raised.", "NOV Message Box")
End Sub
End Class
The NOV Message Box dialogue can replace the standard WinForm Message Box and it provides greater customization options.
For more information about the NOV Button and Message Box UI controls, take a look at the Help Documentation:
User Interface > Widgets > Buttons > Buttons Overview
User Interface > Dialogs > Message Box
Article ID: 243, Created On: 8/9/2016, Modified: 9/27/2016