113 lines
2.7 KiB
C#
113 lines
2.7 KiB
C#
using CustomComponents.Exceptions;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace CustomComponents
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{
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public partial class frameTextBox : UserControl
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{
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private int? _text;
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public string Error { get; private set; }
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public event EventHandler taskHandler;
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private event Action? _errorOccured;
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public event Action AnErrorOccurred
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{
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add { _errorOccured += value; }
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remove { _errorOccured -= value; }
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}
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public frameTextBox()
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{
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InitializeComponent();
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Error = string.Empty;
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}
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public int? Value
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{
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get
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{
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return _text;
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}
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set
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{
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_text = value;
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}
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}
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private void CheckBoxStateChanged(object sender, EventArgs e)
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{
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try
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{
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if (ruleCheckBox.Checked)
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{
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textBox.Enabled = false;
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if (!string.IsNullOrEmpty(textBox.Text))
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{
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throw new ContentException(true);
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}
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}
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else
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{
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textBox.Enabled = true;
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if (string.IsNullOrEmpty(textBox.Text))
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{
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throw new ContentException(false);
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}
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}
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}
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catch(ContentException ex)
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{
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Error = ex.Message;
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_errorOccured?.Invoke();
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HandlerCreation(ex.Message);
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}
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taskHandler?.Invoke(this, e);
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}
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private void CheckTextBoxValueType(object sender, EventArgs e)
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{
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try
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{
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if(!textBox.Text.All(char.IsDigit))
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{
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throw new NotIntegerException(textBox.Text);
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}
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Value = Convert.ToInt32(textBox.Text);
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}
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catch (NotIntegerException ex)
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{
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Value = null;
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HandlerCreation(ex.Message);
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}
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taskHandler?.Invoke(this, e);
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}
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private void HandlerCreation(string message)
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{
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EventHandler handler = null;
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handler = (sender, e) =>
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{
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MessageBox.Show(message);
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taskHandler -= handler;
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};
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taskHandler += handler;
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}
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}
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}
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