我正在學習XAML Metro風格應用程序中的舞臺。我想用WatermarkTextBox控件創建簡單的登錄頁面,如下圖所示。我的問題是,我想設置WatermarkTextBox的水印文本(Email Id作爲密碼文本)垂直中間。在Metro風格應用程序中使用XAML的WatermarkTextBox控件
我的代碼XMAL線如下
<Page
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="using:Login"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:Controls="using:WinRTXamlToolkit.Controls"
x:Class="Login.MainPage"
mc:Ignorable="d">
<Grid Background="{StaticResource ApplicationPageBackgroundThemeBrush}">
<Grid.RowDefinitions>
<RowDefinition Height="163*"/>
<RowDefinition Height="101*"/>
<RowDefinition Height="112*"/>
<RowDefinition Height="114*"/>
<RowDefinition Height="116*"/>
<RowDefinition Height="162*"/>
</Grid.RowDefinitions>
<Controls:WatermarkTextBox WatermarkText="Email Id" HorizontalAlignment="Left" Margin="502,10,0,0" Grid.Row="1" VerticalAlignment="Center" Height="60" Width="433" FontFamily="Andalus" FontSize="18" Padding="10, 15, 0, 0"/>
<TextBox x:Name="PasswordWatermark" Text="Password" IsHitTestVisible="False" Grid.Row="2" FontSize="18" FontFamily="Andalus" Width="433" Height="60" Margin="502,0,425,52" Padding="10, 15, 0, 0"/>
<PasswordBox x:Name="pbPassword" LostFocus="PasswordLostFocus" GotFocus="PasswordGotFocus" Grid.Row="2" FontFamily="Andalus" FontSize="18" Margin="502,0,425,52" Opacity="0" Width="433" Height="60" Padding="10, 15, 0, 0"/>
<Button x:Name="btnLogin" Content="Login" HorizontalAlignment="Left" Margin="791,0,0,0" Grid.Row="3" VerticalAlignment="Top" Height="58" Width="147" FontFamily="Andalus" FontSize="18" Background="#FF385936" BorderBrush="#FF644F4F"/>
</Grid>
</Page>
.CS
private void PasswordLostFocus(object sender, RoutedEventArgs e)
{
CheckPasswordWatermark();
}
private void CheckPasswordWatermark()
{
var passwordEmpty = string.IsNullOrEmpty(pbPassword.Password);
PasswordWatermark.Opacity = passwordEmpty ? 100 : 0;
pbPassword.Opacity = passwordEmpty ? 0 : 100;
}
private void PasswordGotFocus(object sender, RoutedEventArgs e)
{
PasswordWatermark.Opacity = 0;
pbPassword.Opacity = 100;
}
您的幫助是篦升值。 在此先感謝。
先生,我檢查了它,但沒有工作!請給任何其他解決方案。 –
可能是因爲Padding? Cretae一個新的空項目並添加一個WatermarkTextBox控件。並在該項目上測試我的解決方案。看看它是否是你需要的。然後告訴我結果。謝謝。 –
先生,當我將文本輸入到文本框中時,輸入的文本被放入中心,但水印文本(例如電子郵件ID)未放入垂直中心。請幫幫我。感謝您的回覆。 –