Event category ID.
Syntax
public long CategoryId {get; set;}
public:
property int64 CategoryId {
int64 get();
void set ( int64 value);
}
'Declaration
Public Property CategoryId As Long
'Usage
Dim instance As AEAttributeDialog
Dim value As Long
instance.CategoryId = value
value = instance.CategoryId
Property Value
The default value of this property is 0.
Example
// This example shows how to let the user browse for an OPC Alarms&Events attribute.
//
// Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
// OPC client and subscriber examples in C# on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-CSharp .
// Missing some example? Ask us for it on our Online Forums, https://www.opclabs.com/forum/index ! You do not have to own
// a commercial license in order to use Online Forums, and we reply to every post.
using System.Windows.Forms;
using OpcLabs.EasyOpc.AlarmsAndEvents.Forms.Browsing;
namespace FormsDocExamples._AEAttributeDialog
{
static class ShowDialog
{
public static void Main1(IWin32Window owner)
{
var attributeDialog = new AEAttributeDialog
{
ServerDescriptor = {ServerClass = "OPCLabs.KitEventServer.2"},
CategoryId = 0x00EC0001
};
DialogResult dialogResult = attributeDialog.ShowDialog(owner);
if (dialogResult != DialogResult.OK)
return;
// Display results
MessageBox.Show(owner, $"AttributeElement: {attributeDialog.AttributeElement}");
}
}
}
' This example shows how to let the user browse for an OPC Alarms&Events attribute.
'
' Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
' OPC client and subscriber examples in VB.NET on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-VBNET .
' Missing some example? Ask us for it on our Online Forums, https://www.opclabs.com/forum/index ! You do not have to own
' a commercial license in order to use Online Forums, and we reply to every post.
Imports OpcLabs.EasyOpc
Imports OpcLabs.EasyOpc.AlarmsAndEvents.Forms.Browsing
Namespace FormsDocExamples._AEAttributeDialog
Friend Class ShowDialog
Shared Sub Main1(owner As IWin32Window)
Dim attributeDialog = New AEAttributeDialog() With {
.ServerDescriptor = New ServerDescriptor() With {
.ServerClass = "OPCLabs.KitEventServer.2"
},
.CategoryId = &HEC0001
}
Dim dialogResult As DialogResult = attributeDialog.ShowDialog(owner)
If dialogResult <> DialogResult.OK Then
Return
End If
' Display results
MessageBox.Show(owner, $"AttributeElement: {attributeDialog.AttributeElement}")
End Sub
End Class
End Namespace
# This example shows how to let the user browse for an OPC Alarms&Events attribute.
#
# Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
# OPC client and subscriber examples in Python on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-Python .
# Missing some example? Ask us for it on our Online Forums, https://www.opclabs.com/forum/index ! You do not have to own
# a commercial license in order to use Online Forums, and we reply to every post.
# The QuickOPC package is needed. Install it using "pip install opclabs_quickopc".
import opclabs_quickopc
# Import .NET namespaces.
from System.Windows.Forms import *
from OpcLabs.EasyOpc.AlarmsAndEvents.Forms.Browsing import *
attributeDialog = AEAttributeDialog()
attributeDialog.ServerDescriptor.ServerClass = "OPCLabs.KitEventServer.2"
attributeDialog.CategoryId = 0x00EC0001
dialogResult = attributeDialog.ShowDialog()
print(dialogResult)
if dialogResult != DialogResult.OK:
exit()
# Display results.
print('AttributeElement: ', attributeDialog.AttributeElement, sep='')
Requirements
Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows
See Also
