我在我的视图部分中使用了事件触发器,给出的代码如下。几乎所有的绑定都与ViewModel类 - MainWindowViewModel正确连接,但是对于方法“CustomRibbonWindow_Loaded”,它会抛出运行时异常,例如:
System.ArgumentException的一种类型的异常发生在Microsoft.Expression.Interactions.dll中,但未在用户代码中处理 其他信息:无法在类型为MainWindow的对象上找到名称为“CustomRibbonWindow_Loaded”的方法,该方法与预期的签名匹配。 如果有此异常的处理程序,则可以安全地继续运行程序。
我已经尝试过将TargetObject =“{Binding ElementName = RR}”和TargetObject =“{Binding}”放置在VM中的方法中。但似乎都没有起作用。
我的VM中的方法如下所示,
private void CustomRibbonWindow_Loaded()
{
...
}
请指导如何解决。
<i:Interaction.Triggers>
<i:EventTrigger EventName="Loaded">
<si:CallMethodAction MethodName="CustomRibbonWindow_Loaded"/>
</i:EventTrigger>
</i:Interaction.Triggers>
MainWindow.xaml
<custom:CustomRibbonWindow x:Class="gDispatchApp.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:Fluent="clr-namespace:Fluent;assembly=Fluent"
xmlns:custom="clr-namespace:gDispatchAppLib.Helpers.CustomUIControls;assembly=gDispatchAppLib"
xmlns:DockUI="clr-namespace:DockingLibrary;assembly=DockingLibrary"
xmlns:UserControls="clr-namespace:gDispatchAppLib.View.UserControls;assembly=gDispatchAppLib"
xmlns:AppWindows="clr-namespace:gDispatchAppLib.View.AppWindows;assembly=gDispatchAppLib"
xmlns:VM="clr-namespace:gDispatchAppLib.ViewModel.AppWindows;assembly=gDispatchAppLib"
xmlns:VM2="clr-namespace:gDispatchAppLib.ViewModel;assembly=gDispatchAppLib"
xmlns:PE="clr-namespace:gDispatchAppLib.ViewModel.CADQueues;assembly=gDispatchAppLib"
xmlns:wpfHelper="clr-namespace:gDispatchAppLib.WPFHelpers;assembly=gDispatchAppLib"
xmlns:conv="clr-namespace:gDispatch.MvvmValidation.WPF;assembly=gDispatch.MvvmValidation"
xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"
xmlns:si="http://schemas.microsoft.com/expression/2010/interactions"
Title="SERIS CAD"
MinHeight="300"
WindowState="Maximized" HorizontalContentAlignment="Stretch"
FlowDirection="LeftToRight" CaptionHeight="50"
IsIconVisible="False" WindowStyle="SingleBorderWindow"
xmlns:my="clr-namespace:System;assembly=mscorlib"
x:Name="RR">
<i:Interaction.Triggers>
<i:EventTrigger EventName="Loaded">
<si:CallMethodAction MethodName="CustomRibbonWindow_Loaded" TargetObject="{Binding ElementName=RR}"/>
</i:EventTrigger>
</i:Interaction.Triggers>
...
</custom:CustomRibbonWindow>