ContentControl.HasContent Property
Definition
Important
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Gets a value that indicates whether the ContentControl contains content.
public:
property bool HasContent { bool get(); };
[System.ComponentModel.Browsable(false)]
public bool HasContent { get; }
[<System.ComponentModel.Browsable(false)>]
member this.HasContent : bool
Public ReadOnly Property HasContent As Boolean
Property Value
true
if the ContentControl has content; otherwise false
. The default value is false
.
- Attributes
Examples
The following example shows how to use the HasContent property to determine whether a content control contains content.
void OnClick(object sender, RoutedEventArgs e)
{
if (contCtrl.HasContent == true)
{
MessageBox.Show("contCtrl has content");
}
}
Private Sub OnClick(ByVal Sender As Object, ByVal e As RoutedEventArgs)
If (contCtrl.HasContent = True) Then
MessageBox.Show("contCtrl has content")
End If
End Sub
Remarks
If the Content property is null
, this property returns false
.
Dependency Property Information
Identifier field | HasContentProperty |
Metadata properties set to true |
None |
Applies to
反馈
https://aka.ms/ContentUserFeedback。
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