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Application.DoEvents () ใน WPF อยู่ที่ไหน
ฉันมีโค้ดตัวอย่างต่อไปนี้ที่ซูมทุกครั้งที่กดปุ่ม: XAML: <Window x:Class="WpfApplication12.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="MainWindow" Height="350" Width="525"> <Canvas x:Name="myCanvas"> <Canvas.LayoutTransform> <ScaleTransform x:Name="myScaleTransform" /> </Canvas.LayoutTransform> <Button Content="Button" Name="myButton" Canvas.Left="50" Canvas.Top="50" Click="myButton_Click" /> </Canvas> </Window> * .cs public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } private void myButton_Click(object sender, RoutedEventArgs e) { Console.WriteLine("scale {0}, location: {1}", …