Node Name: PythonScript
Package: Core.Scripting
Dynamo Version: 2.19.3.6394
Host: Dynamo Revit
Messages: PythonEvaluator.Evaluate operation failed.
The constructor on type 'System.Reflection.Emit.TypeBuilder' was not found.
Status: Warning

import clr
import System
from System import EventHandler

clr.AddReference("System.Drawing")
clr.AddReference("System.Windows.Forms")
import System.Drawing
import System.Windows.Forms

from System.Drawing import *
from System.Windows.Forms import *

class Form26(Form):
	def __init__(self):
		self.InitializeComponent()
	
	def InitializeComponent(self):
		self._button1 = System.Windows.Forms.Button()
		self.SuspendLayout()
		# 
		self._button1.Location = System.Drawing.Point(73, 103)
		self._button1.Name = "button1"
		self._button1.Size = System.Drawing.Size(142, 43)
		self._button1.TabIndex = 0
		self._button1.Text = "button1"
		self._button1.UseVisualStyleBackColor = True
		self._button1.Click += self.Button1Click
		# 
		self.ClientSize = System.Drawing.Size(284, 261)
		self.Controls.Add(self._button1)
		self.Name = "Form26"
		self.Text = "Form26"
		self.ResumeLayout(False)

	def Button1Click(self, sender, e):
		pass
  
objForm = Form26()
objForm.ShowDialog()

import clr
import System
from System import EventHandler

clr.AddReference("RevitServices")
import RevitServices
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager

# Import RevitAPI
clr.AddReference("RevitAPI")
import Autodesk
from Autodesk.Revit.DB import *

clr.AddReference("RevitAPIUI")
from Autodesk.Revit.UI import *
from Autodesk.Revit.UI.Events import *

doc = DocumentManager.Instance.CurrentDBDocument
uidoc=DocumentManager.Instance.CurrentUIApplication.ActiveUIDocument
uiapp = uidoc.Application

def dismiss (sender, eventArgs):
    if isinstance(eventArgs, TaskDialogShowingEventArgs):
        eventArgs.OverrideResult(TaskDialogResult.No)
    return

dialogEventHandler = EventHandler[DialogBoxShowingEventArgs](dismiss)

uiapp.DialogBoxShowing += dialogEventHandler