ControlBuilder.InDesigner Properti

Definisi

Ruang nama:

System.Web.UI

Rakitan:

System.Web.dll

Mengembalikan apakah ControlBuilder berjalan di perancang.

protected:
 property bool InDesigner { bool get(); };

protected bool InDesigner { get; }

member this.InDesigner : bool

Protected ReadOnly Property InDesigner As Boolean

Nilai Properti

Boolean

true ControlBuilder jika berjalan di perancang; jika tidak, false.

Contoh

Contoh berikut menggunakan InDesigner properti saat metode dipanggil NeedsTagInnerText . Ketika kontrol memiliki penyusun ini yang melekat padanya, NeedsTagInnerText metode menentukan apakah kontrol diakses pada waktu desain melalui perancang. mengembalikan NeedsTagInnerText nilai InDesigner properti, lalu metode dipanggil SetTagInnerText . InDesigner Jika properti diatur ke false, maka Exception akan dilemparkan. Jika tidak, teks dalam kontrol dikembalikan pada SetTagInnerText panggilan.

[AspNetHostingPermission(SecurityAction.Demand, 
    Level=AspNetHostingPermissionLevel.Minimal)]
public sealed class MyControlControlBuilder : ControlBuilder
{
    private string _innerText;

    public override bool NeedsTagInnerText()
    {
        return InDesigner;
    }

    public override void SetTagInnerText(string text)
    {
        if (!InDesigner)
            throw new Exception("The control is not in design mode.");
        else
            _innerText = text;
    }
}

<AspNetHostingPermission(SecurityAction.Demand, _
  Level:=AspNetHostingPermissionLevel.Minimal)> _
Public NotInheritable Class MyControlControlBuilder
  Inherits ControlBuilder
    
    Private _innerText As String
    
    Overrides Public Function NeedsTagInnerText() As Boolean
      Return InDesigner
    End Function
    
    Overrides Public Sub SetTagInnerText(ByVal text As String)        
       If InDesigner = False
         Throw New System.Exception("The control is not in design mode.")
       Else
         _innerText = text
       End If
    End Sub
    
End Class