Gets RectangleF representing the area of the specified page that is currently visible in the current C1PreviewPane. The rectangle is in document (i.e. independent of the current zoom factor) coordinates, and is relative to the specified page's left top corner.

'宣言
 
Public Function GetPageVisibleArea( _
   ByVal pageIdx As System.Integer _
) As System.Drawing.RectangleF

'使用法
 
Dim instance As C1PreviewPane
Dim pageIdx As System.Integer
Dim value As System.Drawing.RectangleF
 
value = instance.GetPageVisibleArea(pageIdx)

public System.Drawing.RectangleF GetPageVisibleArea( 
   System.int pageIdx
)