'Declaration
<System.Runtime.CompilerServices.AsyncStateMachineAttribute(C1.Xaml.RichTextBox.C1RichTextBox/d__211)> Public Function ClipboardPaste() As System.Threading.Tasks.Task
[System.Runtime.CompilerServices.AsyncStateMachine(C1.Xaml.RichTextBox.C1RichTextBox/d__211)]
public System.Threading.Tasks.Task ClipboardPaste()