Siticone TextBox Advanced

// Forces validation logic to run immediately.
// Returns true if valid, false if errors exist.
// Also updates the visual state (ErrorColor) and ValidationErrors collection.
bool isFormValid = siticoneTextBox1.ValidateInput();

// Clears the text content, resets validation state, 
// and restores the placeholder.
siticoneTextBox1.Clear();

// Helper to set BorderColor, FocusBorderColor, and HoverBorderColor
// to the same value in one call.
siticoneTextBox1.SetBorderColor(Color.Black);

// Occurs when the Enter key is pressed.
// The arguments provide data on text validity, modifiers (Shift/Ctrl), and allow sound suppression.
txt.EnterKeyPressed += (s, e) => 
{
                // Access properties via 'e' (EnterKeyPressedEventArgs)
                if (e.Modifiers == Keys.Shift) 
    {
                // Allow new line for Shift+Enter
         e.SuppressSound = false;
                return;
    }

                // Submit logic
                SendMessage(e.Text);
    
                // Prevent the default "Ding" sound
    e.SuppressSound = true;
    e.Handled = true; 
};

// Provides old text, new text, validation status, and visual state
txt.TextContentChangedEnhanced += (s, e) => 
{
                Console.WriteLine($"Text changed from '{e.OldText}' to '{e.NewText}'");
                if (!e.IsValid)
    {
                // Access list of specific validation errors
                var errors = e.ValidationErrors;
    }
};

// Fired when validity flips (Valid -> Invalid or vice versa)
txt.ValidationChangedEnhanced += (s, e) => 
{
                // Enable/Disable a submit button based on validity
    btnSubmit.Enabled = e.IsValid;
                if (e.HasValidationError) 
    {
        lblStatus.Text = "Please fix the errors.";
        lblStatus.ForeColor = e.ErrorColor; // Use the control's error color
    }
};

// Fired when user clicks or types in a ReadOnly box
txt.ReadOnlyInteractionAttemptedEnhanced += (s, e) => 
{
                MessageBox.Show($"You cannot edit this field. Action: {e.ActionAttempted}");
};

private void SetupPasswordField()
{
    txtPassword.InputType = AdvancedTextBoxInputType.Password;
    txtPassword.PlaceholderText = "Secure Password";
                // Validation Rules
    txtPassword.MinimumPasswordLength = 10;
    txtPassword.RequireUppercase = true;
    txtPassword.RequireDigits = true;
    txtPassword.RequireSpecialCharacters = true;
    
                // Styling
    txtPassword.UseSystemPasswordChar = true; // Hides chars
    txtPassword.FocusBorderColor = Color.MediumPurple;
    txtPassword.ErrorColor = Color.Crimson;
    
                // Handle changes to show realtime feedback
    txtPassword.ValidationChangedEnhanced += (s, e) => 
    {
                if (!e.IsValid)
        {
                // Show all errors in a tooltip or label
             lblError.Text = string.Join("\n", e.ValidationErrors);
        }
    };
}

private void SetupSearchBar()
{
    txtSearch.TextBoxType = TextBoxType.Default;
    txtSearch.PlaceholderText = "Search...";
    
                // "Pill" shape
    txtSearch.MakeRadial = true;
    
                // Images for different states
    txtSearch.ImagePosition = ImagePosition.Left;
    txtSearch.IdleImage = Properties.Resources.search_gray;
    txtSearch.FocusImage = Properties.Resources.search_active;
    
                // Visuals
    txtSearch.BackgroundColor = Color.WhiteSmoke;
    txtSearch.BorderColor = Color.LightGray;
    txtSearch.BorderWidth = 1;
    
                // Disable validation for search
    txtSearch.ValidationEnabled = false;
}

private void SetupChatBox()
{
                // 1. Configure for Multiline
    txtMessage.Multiline = true;
    txtMessage.Height = 60;
    txtMessage.PlaceholderText = "Type a message...";
    txtMessage.TopLeftCornerRadius = 15;
    txtMessage.TopRightCornerRadius = 15;
    txtMessage.BottomLeftCornerRadius = 15;
    txtMessage.BottomRightCornerRadius = 15;

                // 2. Handle the Key Event
    txtMessage.EnterKeyPressed += (s, e) => 
    {
                // If User holds Shift, we want the default behavior (New Line)
                // We also ensure the sound is NOT suppressed.
                if (e.Modifiers == Keys.Shift)
        {
            e.SuppressSound = false;
                return;
        }

                // If just Enter is pressed, we Send the message
                if (e.IsValid && e.TextLength > 0)
        {
                SendMessage(e.Text);
            
                // Clear the box
            txtMessage.Clear();

                // Crucial: Mark handled and suppress sound to prevent "Ding"
            e.Handled = true;
            e.SuppressSound = true;
        }
    };
}