private void InitializeDialog(CodeExpression expression)
{
HelpRequested += new HelpEventHandler(OnHelpRequested);
HelpButtonClicked += new CancelEventHandler(OnHelpClicked);
if (expression != null)
{
this.ruleExpressionCondition.Expression = RuleExpressionWalker.Clone(expression);
this.conditionTextBox.Text = ruleExpressionCondition.ToString().Replace("\n", "\r\n");
}
else
{
this.conditionTextBox.Text = string.Empty;
}
this.conditionTextBox.PopulateAutoCompleteList += new EventHandler <AutoCompletionEventArgs>(ConditionTextBox_PopulateAutoCompleteList);
this.conditionTextBox.PopulateToolTipList += new EventHandler <AutoCompletionEventArgs>(ConditionTextBox_PopulateAutoCompleteList);
try
{
this.ruleParser.ParseCondition(this.conditionTextBox.Text);
conditionErrorProvider.SetError(this.conditionTextBox, string.Empty);
}
catch (RuleSyntaxException ex)
{
conditionErrorProvider.SetError(this.conditionTextBox, ex.Message);
}
}
protected override void UpdatePreview(TextBox previewBox, object ruleObject)
{
RuleExpressionCondition condition = ruleObject as RuleExpressionCondition;
if ((condition != null) && (condition.Expression != null))
{
RuleExpressionCondition condition2 = new RuleExpressionCondition(condition.Expression);
System.Workflow.Activities.Common.NativeMethods.SendMessage(previewBox.Handle, 11, IntPtr.Zero, IntPtr.Zero);
previewBox.Lines = condition2.ToString().Split(new char[] { '\n' });
System.Workflow.Activities.Common.NativeMethods.SendMessage(previewBox.Handle, 11, new IntPtr(1), IntPtr.Zero);
previewBox.Invalidate();
}
else
{
previewBox.Text = string.Empty;
}
}
protected override void UpdatePreview(TextBox previewBox, object ruleObject)
{
RuleExpressionCondition declarativeRuleDefinition = ruleObject as RuleExpressionCondition;
if (declarativeRuleDefinition != null && declarativeRuleDefinition.Expression != null)
{
RuleExpressionCondition ruleExpressionCondition = new RuleExpressionCondition(declarativeRuleDefinition.Expression);
NativeMethods.SendMessage(previewBox.Handle, NativeMethods.WM_SETREDRAW, IntPtr.Zero, IntPtr.Zero);
previewBox.Lines = ruleExpressionCondition.ToString().Split('\n');
NativeMethods.SendMessage(previewBox.Handle, NativeMethods.WM_SETREDRAW, new IntPtr(1), IntPtr.Zero);
previewBox.Invalidate();
}
else
{
previewBox.Text = string.Empty;
}
}