我在用戶控件中有3個按鈕,我想顯示並隱藏WPF應用程序或用戶控件中的一個按鈕。它不適合我。我已經實現INotifyPropertChanged
接口來通知View。請檢查一下。在WPF用戶控件中顯示/隱藏控件
<UserControl x:Class="WPFUserControl.UserControl1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
mc:Ignorable="d"
xmlns:vis="clr-namespace:WPFUserControl"
d:DesignHeight="300" d:DesignWidth="300">
<UserControl.Resources>
<vis:BoolToVisibilityConverter x:Key="BoolToVis" ></vis:BoolToVisibilityConverter>
</UserControl.Resources>
<Grid>
<Button Content="Button1" HorizontalAlignment="Left" VerticalAlignment="Top" Width="75"/>
<Button Content="Button2" HorizontalAlignment="Left" VerticalAlignment="Top" Width="75" Margin="106,0,0,0"/>
<Button Content="ShowHide" Visibility="{Binding IsShowHideVisible, Converter={StaticResource BoolToVis}, ConverterParameter=False}" HorizontalAlignment="Left" VerticalAlignment="Top" Width="75" Margin="215,0,0,0"/>
</Grid>
public partial class UserControl1 : UserControl, INotifyPropertyChanged
{
private bool isShowHideVisible;
public bool IsShowHideVisible
{
get { return isShowHideVisible; }
set
{
if(isShowHideVisible!=value)
{
isShowHideVisible = value;
}
}
}
public UserControl1()
{
InitializeComponent();
// IsShowHideVisible = false;
}
private void OnPropertyChange(string pPropertyName)
{
if(PropertyChanged!=null)
{
PropertyChanged(this, new PropertyChangedEventArgs(pPropertyName));
}
}
public event PropertyChangedEventHandler PropertyChanged;
}
包括你的轉換器,並檢查輸出窗口的任何綁定異常。 –
你可以顯示'BoolToVis'嗎?你有沒有試過看看你是否在使用你的轉換器? –
你應該提高物業改變這樣OnPropertyChanged( 「IsShowHideVisible」) – batmaci