此文档仅仅是一个BaseCode，已做后续查阅
XAML代码：
<Button x:Class="IM.UI.UC.IM_ImageButton"
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" Name="loc">
<Image Name="innerImage" Stretch="None" Source="{Binding Path=ImageSourceEx,ElementName=loc}" />
</Button>
CS代码：
public IM_ImageButton()
{
InitializeComponent();
FrameworkElement.DefaultStyleKeyProperty.OverrideMetadata(typeof(IM_ImageButton), new FrameworkPropertyMetadata(typeof(Button)));
this.IsEnabledChanged += new DependencyPropertyChangedEventHandler(ImageButton_IsEnabledChanged);
}
public ImageSource GrayImageSourceEx
{
get { return (ImageSource)GetValue(GrayImageSourceExProperty); }
set { SetValue(GrayImageSourceExProperty, value); }
}
public static readonly DependencyProperty GrayImageSourceExProperty =
DependencyProperty.Register("GrayImageSourceEx", typeof(ImageSource), typeof(IM_ImageButton), new UIPropertyMetadata(null));
public ImageSource ImageSourceEx
{
get { return (ImageSource)GetValue(ImageSourceExProperty); }
set { SetValue(ImageSourceExProperty, value); }
}
public static readonly DependencyProperty ImageSourceExProperty =
DependencyProperty.Register("ImageSourceEx", typeof(ImageSource), typeof(IM_ImageButton), new UIPropertyMetadata(null)); //当前按钮显示状态被禁用或启用
protected void ImageButton_IsEnabledChanged(object sender, DependencyPropertyChangedEventArgs e)
{
if (this.IsEnabled && (this.ImageSourceEx != null))
{
this.innerImage.Source = this.ImageSourceEx;
}
else if (!(this.IsEnabled || (this.GrayImageSourceEx == null)))
{
this.innerImage.Source = this.GrayImageSourceEx;
} }