29 lines
810 B
C#
29 lines
810 B
C#
using Prism.Mvvm;
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using System.ComponentModel;
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namespace Store.Management.Framework.Controls;
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public abstract class ViewModelBase : BindableBase
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{
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private bool hasLoaded;
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internal void NotifyLoaded()
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{
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if (!hasLoaded)
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{
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hasLoaded = true;
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OnLoadedOnce();
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}
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OnLoaded();
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}
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/// <summary>当前实例首次加载时调用，先于 OnLoaded。</summary>
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protected virtual void OnLoadedOnce() { }
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protected internal virtual void OnLoaded() { }
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protected internal virtual void OnUnloaded() { }
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protected internal virtual void OnActivated() { }
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protected internal virtual void OnDeactivated() { }
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protected internal virtual void OnClosing(CancelEventArgs e) { }
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protected internal virtual void OnClosed() { }
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}
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