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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using System.Text; |
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|
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namespace System.Windows.Forms |
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{ |
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public interface IValueChangedEventArgs |
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{ |
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object OldValue { get; } |
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object NewValue { get; } |
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} |
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public class ValueChangedEventArgs: EventArgs, IValueChangedEventArgs |
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{ |
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public ValueChangedEventArgs() : this(0) { } |
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public ValueChangedEventArgs(object oldvalue) : this(oldvalue, oldvalue) { } |
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public ValueChangedEventArgs(object oldvalue, object newvalue) |
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{ |
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this.OldValue = oldvalue; |
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this.NewValue = newvalue; |
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} |
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#region IValueChangedEventArgs members |
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public object OldValue { get; private set; } |
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public object NewValue { get; private set; } |
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#endregion |
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} |
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} |