我想点击调整大小按钮启动消息对话框..
我在任何点击中插入了消息对话框,但是如何在调整大小窗口中启动它?
代码:
public sealed partial class MainPage : Page
{
public MainPage()
{
this.InitializeComponent();
}
private async void Button_Click(object sender, RoutedEventArgs e)
{
var messageDialog = new MessageDialog("This is a Message dialog");
await messageDialog.ShowAsync();
}
}
我找到了一个可能的解决方案但是,我只需要点击调整大小按钮,是否可以?
代码:
Window.Current.CoreWindow.SizeChanged += (ss, ee) =>
{
var appView = Windows.UI.ViewManagement.ApplicationView.GetForCurrentView();
if (appView.IsFullScreen)
{
//show message
}
ee.Handled = true;
};
提前致谢!
答案 0 :(得分:2)
您可以为此
订阅Page Size已更改事件<强> XAML 强>
<Page
x:Class="App.MainPage"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="using:SO15"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d" SizeChanged="Page_SizeChanged"> <!-- SizeChanged event -->
<强> C#强>
private void Page_SizeChanged(object sender, SizeChangedEventArgs e)
{
Window.Current.CoreWindow.SizeChanged += async (ss, ee) =>
{
var appView = ApplicationView.GetForCurrentView();
if (appView.IsFullScreen)
{
var messageDialog = new MessageDialog("Window is Maximized");
await messageDialog.ShowAsync();
}
ee.Handled = true;
};
Window.Current.CoreWindow.SizeChanged += async (ss, ee) =>
{
var appView = ApplicationView.GetForCurrentView();
if (!appView.IsFullScreen)
{
var messageDialog = new MessageDialog("Window is not Maximized");
await messageDialog.ShowAsync();
}
ee.Handled = true;
};
}
在c#Recommended
中交替处理使用此活动
<强> Window.Current.CoreWindow.SizeChanged += CoreWindow_SizeChanged;
强>
bool msgboxshown = false; //add this condition in above solution also if msg dialog shown multiple times at the time of mazimizing window
private async void CoreWindow_SizeChanged(Windows.UI.Core.CoreWindow sender, Windows.UI.Core.WindowSizeChangedEventArgs args)
{
var appView = ApplicationView.GetForCurrentView();
if (!appView.IsFullScreen && !msgboxshown)
{
var messageDialog = new MessageDialog("Window is not maximized");
msgboxshown = true;
await messageDialog.ShowAsync();
msgboxshown = false;
}
if (appView.IsFullScreen && !msgboxshown)
{
var messageDialog = new MessageDialog("Windows is maximized");
msgboxshown = true;
await messageDialog.ShowAsync();
msgboxshown = false;
}
args.Handled = true;
}
/* You can remove msgboxshown condition , it is because message dialog will show continuously multiple times */