WorkflowView.RootDesigner 屬性

定義

命名空間:

System.Workflow.ComponentModel.Design

組件:

System.Workflow.ComponentModel.dll

取得或設定 WorkflowView 的根目錄設計工具。

public:
 property System::Workflow::ComponentModel::Design::ActivityDesigner ^ RootDesigner { System::Workflow::ComponentModel::Design::ActivityDesigner ^ get(); void set(System::Workflow::ComponentModel::Design::ActivityDesigner ^ value); };

public System.Workflow.ComponentModel.Design.ActivityDesigner RootDesigner { get; set; }

member this.RootDesigner : System.Workflow.ComponentModel.Design.ActivityDesigner with get, set

Public Property RootDesigner As ActivityDesigner

屬性值

ActivityDesigner

與 ActivityDesigner 關聯的 WorkflowView。

範例

下列範例將示範如何取得 WorkflowView 物件的 RootDesigner。 workflowPanel 欄位包含了一個名為 GetWorkflowView 的方法，可以傳回現有的 WorkflowView 執行個體。 接著 RootDesigner 便在尚未有任何動作發生之前轉型為 SequentialWorkflowRootDesigner。

這個程式碼範例是 DesignerShell.cs 檔案中 Basic DesignerHosting SDK 範例的一部分。 如需詳細資訊，請參閱 基本設計工具裝載範例。

private void addButton_Click(object sender, EventArgs e)
{
    SequentialWorkflowRootDesigner rootDesigner = this.workflowPanel.GetWorkflowView().RootDesigner as SequentialWorkflowRootDesigner;
    int viewId = rootDesigner.ActiveView.ViewId;
    if (viewId == 1)
    {
        this.workflowPanel.OnCodeActivityAdded();
    }
    else
    {
        DialogResult resultBox = MessageBox.Show("This sample supports adding a code activity only in workflow view");
    }
}

Private Sub addButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles addButton.Click
    Dim viewId As Integer
    Dim rootDesigner As SequentialWorkflowRootDesigner
    rootDesigner = Me.workflowPanel.GetWorkflowView().RootDesigner
    viewId = rootDesigner.ActiveView.ViewId
    If viewId = 1 Then
        Me.workflowPanel.OnCodeActivityAdded()
    Else
        Dim resultBox As DialogResult
        resultBox = MessageBox.Show("This sample supports adding a code activity only in workflow view")
    End If
End Sub

備註

工作流程的根目錄設計工具是與工作流程設計介面關聯的設計工具。 它包含了所有子設計工具與工作流程中後續的所有活動。