38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
// Copyright (c) Microsoft Corporation. All rights reserved.
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// Licensed under the MIT License.
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#pragma once
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#include "CalcViewModel/Common/Utils.h"
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namespace CalculatorApp::Views::StateTriggers
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{
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public ref class ControlSizeTrigger sealed : public Windows::UI::Xaml::StateTriggerBase
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{
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public:
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ControlSizeTrigger();
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DEPENDENCY_PROPERTY_OWNER(ControlSizeTrigger);
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DEPENDENCY_PROPERTY_WITH_CALLBACK(Windows::UI::Xaml::FrameworkElement^, Source);
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DEPENDENCY_PROPERTY_WITH_DEFAULT(double, MinHeight, -1);
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DEPENDENCY_PROPERTY_WITH_DEFAULT(double, MinWidth, -1);
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private:
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~ControlSizeTrigger();
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void OnSourcePropertyChanged(Windows::UI::Xaml::FrameworkElement^ oldValue, Windows::UI::Xaml::FrameworkElement^ newValue);
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void RegisterSizeChanged(Windows::UI::Xaml::FrameworkElement^ element);
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void UnregisterSizeChanged(Windows::UI::Xaml::FrameworkElement^ element);
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void OnSizeChanged(Platform::Object^ sender, Windows::UI::Xaml::SizeChangedEventArgs^ e);
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void UpdateIsActive(Windows::Foundation::Size sourceSize);
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private:
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Windows::Foundation::EventRegistrationToken m_sizeChangedToken;
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};
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}
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