Gets or sets the flag indicating whether the preview pane is currently busy. Some actions (especially those that could cause significant changes in the preview pane's state) raise this flag themselves, and cannot be performed when this flag was raised by another operation. This flag should be tested before attempting to change preview pane's properties or invoke methods on it.

[BrowsableAttribute(false)]
[DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Hidden)]
public bool Busy { get; set; }

<BrowsableAttribute(False)> _
<DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Hidden)> _
Public Property Busy As Boolean
	Get
	Set