101 lines
2.7 KiB
C#
101 lines
2.7 KiB
C#
namespace COP
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{
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public partial class UserDateTimePicker : UserControl
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{
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private DateTime? minValue;
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private DateTime? maxValue;
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public event EventHandler? _valueChanged;
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private event Action? _errorOccured;
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public string Error { get; private set; }
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public UserDateTimePicker()
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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 DateTime? MinValue
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{
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get { return minValue; }
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set { minValue = value; }
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}
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public DateTime? MaxValue
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{
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get { return maxValue; }
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set { maxValue = value; }
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}
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public DateTime? SelectedValue
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{
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get
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{
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if (!minValue.HasValue || !maxValue.HasValue)
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{
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Error = "Range is not set.";
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_errorOccured?.Invoke();
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return null;
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}
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else if (dateTimePicker.Value < minValue ||
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dateTimePicker.Value > maxValue)
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{
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Error = "Selected value is out of range.";
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_errorOccured?.Invoke();
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return null;
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}
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return dateTimePicker.Value;
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}
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set
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{
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if (!value.HasValue)
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{
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Error = "Value is null.";
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_errorOccured?.Invoke();
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return;
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}
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if (!minValue.HasValue || !maxValue.HasValue)
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{
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Error = "Range is not set.";
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_errorOccured?.Invoke();
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return;
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}
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if (value < minValue || value > maxValue)
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{
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Error = "Selected value is out of range.";
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_errorOccured?.Invoke();
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return;
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}
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dateTimePicker.Value = value.Value;
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}
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}
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public event EventHandler ValueChanged
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{
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add { _valueChanged += value; }
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remove { _valueChanged -= value; }
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}
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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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private void DateTimePicker_ValueChanged(object sender, EventArgs e)
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{
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try
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{
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_valueChanged?.Invoke(this, e);
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}
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catch (Exception ex)
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{
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Error = ex.Message;
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_errorOccured?.Invoke();
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}
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}
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}
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}
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