[W8App] Custom Control – Access template component

Step 1. XAML，給予要存取元件名稱

   1: <Style TargetType="local:WaitReadyButton">

   2:     <Setter Property="Template">

   3:         <Setter.Value>

   4:             <ControlTemplate TargetType="local:WaitReadyButton">

   5:                 <Grid>

   6:                     <TextBlock x:Name="txtSymbol" Text=""/>

   7:                 </Grid>

   8:             </ControlTemplate>

   9:         </Setter.Value>

  10:     </Setter>

  11: </Style>

Step 2. C#，宣告存取元件

   1: public sealed class WaitReadyButton : Control

   2: {

   3:     private TextBlock _txtSymbol;

Step 3. C#，在OnApplyTemplate()中取得元件

   1: protected override void OnApplyTemplate()

   2: {

   3:     base.OnApplyTemplate();

   4:  

   5:     _txtSymbol = GetTemplateChild(@"txtSymbol") as TextBlock;

   6: }

成功取得元件後即可在程式碼中使用該元件。

Reference

1. Creating a WPF Custom Control