Windows Phone 7自定義一個控件庫跟Silverlight的是基本一樣的，第一步創(chuàng)建一個類庫，然后添加一個Themes文件夾，在文件夾里面添加上generic.xaml文件作為默認的控件樣式文件，記住一定要寫這個名字否則就找不到樣式了，大小寫都可以。新建一個控件類MyContro1.cs,MyContro2.cs在這里面就可以寫控件的處理邏輯了。

下面看一下一個水印控件的處理：

generic.xaml文件

?

<ResourceDictionary?

????xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"?

????xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"?

????xmlns:local="clr-namespace:Phone.Controls;assembly=Phone.Controls"?

????xmlns:d="http://schemas.microsoft.com/expression/blend/2008"?

????xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"??? ?

????mc:Ignorable="d"?

????>?

????<Style??TargetType="local:WatermarkedTextBox">?

????????<Setter?Property="FontFamily"?Value="{StaticResource?PhoneFontFamilyNormal}"/>?

????????<Setter?Property="FontSize"?Value="{StaticResource?PhoneFontSizeMediumLarge}"/>?

????????<Setter?Property="Background"?Value="White"/>?

????????<Setter?Property="Foreground"?Value="#FF3880B2"/>?

????????<Setter?Property="BorderBrush"?Value="#FF3880B2"/>?

????????<Setter?Property="SelectionBackground"?Value="#FF3880B2"/>?

????????<Setter?Property="SelectionForeground"?Value="{StaticResource?PhoneTextBoxSelectionForegroundBrush}"/>?

????????<Setter?Property="BorderThickness"?Value="{StaticResource?PhoneBorderThickness}"/>?

????????<Setter?Property="Padding"?Value="2"/>?

????????<Setter?Property="Template">?

????????????<Setter.Value>?

????????????????<ControlTemplate?TargetType="local:WatermarkedTextBox">?

????????????????????<Grid?Background="Transparent">?

????????????????????????<VisualStateManager.VisualStateGroups>?

????????????????????????????<VisualStateGroup?x:Name="CommonStates">?

????????????????????????????????<VisualState?x:Name="Normal"/>?

????????????????????????????????<VisualState?x:Name="MouseOver"/>?

????????????????????????????????<VisualState?x:Name="Disabled">?

????????????????????????????????????<Storyboard>?

????????????????????????????????????????<ObjectAnimationUsingKeyFrames?Storyboard.TargetProperty="Visibility"?Storyboard.TargetName="EnabledBorder">?

????????????????????????????????????????????<DiscreteObjectKeyFrame?KeyTime="0">?

????????????????????????????????????????????????<DiscreteObjectKeyFrame.Value>?

????????????????????????????????????????????????????<Visibility>Collapsed</Visibility>?

????????????????????????????????????????????????</DiscreteObjectKeyFrame.Value>?

????????????????????????????????????????????</DiscreteObjectKeyFrame>?

????????????????????????????????????????</ObjectAnimationUsingKeyFrames>?

????????????????????????????????????????<ObjectAnimationUsingKeyFrames?Storyboard.TargetProperty="Visibility"?Storyboard.TargetName="DisabledOrReadonlyBorder">?

????????????????????????????????????????????<DiscreteObjectKeyFrame?KeyTime="0">?

????????????????????????????????????????????????<DiscreteObjectKeyFrame.Value>?

????????????????????????????????????????????????????<Visibility>Visible</Visibility>?

????????????????????????????????????????????????</DiscreteObjectKeyFrame.Value>?

????????????????????????????????????????????</DiscreteObjectKeyFrame>?

????????????????????????????????????????</ObjectAnimationUsingKeyFrames>?

????????????????????????????????????</Storyboard>?

????????????????????????????????</VisualState>?

????????????????????????????????<VisualState?x:Name="ReadOnly">?

????????????????????????????????????<Storyboard>?

????????????????????????????????????????<ObjectAnimationUsingKeyFrames?Storyboard.TargetProperty="Visibility"?Storyboard.TargetName="EnabledBorder">?

????????????????????????????????????????????<DiscreteObjectKeyFrame?KeyTime="0">?

????????????????????????????????????????????????<DiscreteObjectKeyFrame.Value>?

????????????????????????????????????????????????????<Visibility>Collapsed</Visibility>?

????????????????????????????????????????????????</DiscreteObjectKeyFrame.Value>?

????????????????????????????????????????????</DiscreteObjectKeyFrame>?

????????????????????????????????????????</ObjectAnimationUsingKeyFrames>?

????????????????????????????????????????<ObjectAnimationUsingKeyFrames?Storyboard.TargetProperty="Visibility"?Storyboard.TargetName="DisabledOrReadonlyBorder">?

????????????????????????????????????????????<DiscreteObjectKeyFrame?KeyTime="0">?

????????????????????????????????????????????????<DiscreteObjectKeyFrame.Value>?

????????????????????????????????????????????????????<Visibility>Visible</Visibility>?

????????????????????????????????????????????????</DiscreteObjectKeyFrame.Value>?

????????????????????????????????????????????</DiscreteObjectKeyFrame>?

????????????????????????????????????????</ObjectAnimationUsingKeyFrames>?

????????????????????????????????????????<ObjectAnimationUsingKeyFrames?Storyboard.TargetProperty="Background"?Storyboard.TargetName="DisabledOrReadonlyBorder">?

????????????????????????????????????????????<DiscreteObjectKeyFrame?KeyTime="0"?Value="White"/>?

????????????????????????????????????????</ObjectAnimationUsingKeyFrames>?

????????????????????????????????????????<ObjectAnimationUsingKeyFrames?Storyboard.TargetProperty="BorderBrush"?Storyboard.TargetName="DisabledOrReadonlyBorder">?

????????????????????????????????????????????<DiscreteObjectKeyFrame?KeyTime="0"?Value="#FF3880B2"/>?

????????????????????????????????????????</ObjectAnimationUsingKeyFrames>?

????????????????????????????????????????<ObjectAnimationUsingKeyFrames?Storyboard.TargetProperty="Foreground"?Storyboard.TargetName="DisabledOrReadonlyContent">?

????????????????????????????????????????????<DiscreteObjectKeyFrame?KeyTime="0"?Value="{StaticResource?PhoneTextBoxReadOnlyBrush}"/>?

????????????????????????????????????????</ObjectAnimationUsingKeyFrames>?

????????????????????????????????????</Storyboard>?

????????????????????????????????</VisualState>?

????????????????????????????</VisualStateGroup>?

????????????????????????????<VisualStateGroup?x:Name="FocusStates">?

????????????????????????????????<VisualState?x:Name="Focused">?

????????????????????????????????????<Storyboard>?

????????????????????????????????????????<ObjectAnimationUsingKeyFrames?Storyboard.TargetProperty="Background"?Storyboard.TargetName="EnabledBorder">?

????????????????????????????????????????????<DiscreteObjectKeyFrame?KeyTime="0"?Value="White"/>?

????????????????????????????????????????</ObjectAnimationUsingKeyFrames>?

????????????????????????????????????????<ObjectAnimationUsingKeyFrames?Storyboard.TargetProperty="BorderBrush"?Storyboard.TargetName="EnabledBorder">?

????????????????????????????????????????????<DiscreteObjectKeyFrame?KeyTime="0"?Value="#FF3880B2"/>?

????????????????????????????????????????</ObjectAnimationUsingKeyFrames>?

????????????????????????????????????</Storyboard>?

????????????????????????????????</VisualState>?

????????????????????????????????<VisualState?x:Name="Unfocused"/>?

?

????????????????????????????</VisualStateGroup>?

????????????????????????</VisualStateManager.VisualStateGroups>?

????????????????????????<Border?x:Name="EnabledBorder"?BorderBrush="#FF3880B2"?BorderThickness="{TemplateBinding?BorderThickness}"?Background="{TemplateBinding?Background}"?Margin="{StaticResource?PhoneTouchTargetOverhang}">?

????????????????????????????<Grid>?

????????????????????????????????<ContentControl?x:Name="watermarkContent"??HorizontalContentAlignment="Left"?Style="{TemplateBinding?WatermarkStyle}"?Content="{TemplateBinding?Watermark}"?Background="Transparent"?Opacity="0.5"/>?

????????????????????????????????<ContentControl?x:Name="ContentElement"?BorderThickness="0"?HorizontalContentAlignment="Stretch"?Margin="{StaticResource?PhoneTextBoxInnerMargin}"?Padding="{TemplateBinding?Padding}"?VerticalContentAlignment="Stretch"/>?

????????????????????????????</Grid>?

????????????????????????</Border>?

????????????????????????<Border?x:Name="DisabledOrReadonlyBorder"?BorderBrush="{StaticResource?PhoneDisabledBrush}"?BorderThickness="{TemplateBinding?BorderThickness}"?Background="White"?Margin="{StaticResource?PhoneTouchTargetOverhang}"?Visibility="Collapsed">?

????????????????????????????<TextBox?x:Name="DisabledOrReadonlyContent"?Background="White"?Foreground="{StaticResource?PhoneDisabledBrush}"?

?????????????????????????????????????FontWeight="{TemplateBinding?FontWeight}"?FontStyle="{TemplateBinding?FontStyle}"?FontSize="{TemplateBinding?FontSize}"?

?????????????????????????????????????FontFamily="{TemplateBinding?FontFamily}"?IsReadOnly="True"?SelectionForeground="{TemplateBinding?SelectionForeground}"? ?

?????????????????????????????????????SelectionBackground="{TemplateBinding?SelectionBackground}"?TextAlignment="{TemplateBinding?TextAlignment}"? ?

?????????????????????????????????????TextWrapping="{TemplateBinding?TextWrapping}"?Text="{TemplateBinding?Text}"?Template="{StaticResource?PhoneDisabledTextBoxTemplate}"?/>?

????????????????????????</Border>?

????????????????????</Grid>?

????????????????</ControlTemplate>?

????????????</Setter.Value>?

????????</Setter>?

????</Style>?

?

</ResourceDictionary>?

WatermarkTextBox..cs

?

using?System.Windows; ?

using?System.Windows.Controls; ?

?

namespace?Phone.Controls ?

{ ?

????public?class?WatermarkedTextBox?:?TextBox ?

????{ ?

????????ContentControl?WatermarkContent; ?

????????public?static?readonly?DependencyProperty?WatermarkProperty?= ?

??????DependencyProperty.Register("Watermark",?typeof(object),?typeof(WatermarkedTextBox),?new?PropertyMetadata(OnWatermarkPropertyChanged)); ?

?

????????public?static?readonly?DependencyProperty?WatermarkStyleProperty?= ?

??????DependencyProperty.Register("WatermarkStyle",?typeof(Style),?typeof(WatermarkedTextBox),?null); ?

?

????????public?Style?WatermarkStyle ?

????????{ ?

????????????get?{?return?base.GetValue(WatermarkStyleProperty)?as?Style;?} ?

????????????set?{?base.SetValue(WatermarkStyleProperty,?value);?} ?

????????} ?

?

????????public?object?Watermark ?

????????{ ?

????????????get?{?return?base.GetValue(WatermarkProperty)?as?object;?} ?

????????????set?{?base.SetValue(WatermarkProperty,?value);?} ?

????????} ?

?

????????public?WatermarkedTextBox() ?

????????{ ?

????????????DefaultStyleKey?=?typeof(WatermarkedTextBox); ?

????????} ?

?

????????public?override?void?OnApplyTemplate() ?

????????{ ?

????????????base.OnApplyTemplate(); ?

????????????thisthis.WatermarkContent?=?this.GetTemplateChild("watermarkContent")?as?ContentControl; ?

????????????if(WatermarkContent?!=?null) ?

????????????{ ?

??????????????DetermineWatermarkContentVisibility(); ?

????????????} ?

????????} ?

?

????????protected?override?void?OnGotFocus(RoutedEventArgs?e) ?

????????{ ?

????????????if?(WatermarkContent?!=?null?&&?string.IsNullOrEmpty(this.Text)) ?

????????????{ ?

????????????????this.WatermarkContent.Visibility?=?Visibility.Collapsed; ?

????????????} ?

????????????base.OnGotFocus(e); ?

????????} ?

?

????????protected?override?void?OnLostFocus(RoutedEventArgs?e) ?

????????{ ?

????????????if?(WatermarkContent?!=?null?&&?string.IsNullOrEmpty(this.Text)) ?

????????????{ ?

????????????????this.WatermarkContent.Visibility?=?Visibility.Visible; ?

????????????} ?

????????????base.OnLostFocus(e); ?

????????} ?

?

????????private?static?void?OnWatermarkPropertyChanged(DependencyObject?sender,?DependencyPropertyChangedEventArgs?args) ?

????????{ ?

????????????WatermarkedTextBox?watermarkTextBox?=?sender?as?WatermarkedTextBox; ?

????????????if(watermarkTextBox?!=?null?&&?watermarkTextBox.WatermarkContent?!=null) ?

????????????{ ?

??????????????watermarkTextBox.DetermineWatermarkContentVisibility(); ?

????????????} ?

????????} ?

?

????????private?void?DetermineWatermarkContentVisibility() ?

????????{ ?

????????????if?(string.IsNullOrEmpty(this.Text)) ?

????????????{ ?

????????????????this.WatermarkContent.Visibility?=?Visibility.Visible; ?

????????????} ?

????????????else ?

????????????{ ?

????????????????this.WatermarkContent.Visibility?=?Visibility.Collapsed; ?

????????????} ?

????????} ?

????} ?

}?

?

轉(zhuǎn)載于:https://blog.51cto.com/linzheng/1078436

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