HwndSource.UsesPerPixelOpacity Property
Definition
Important
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Gets a value that declares whether the per-pixel opacity of the source window content is respected.
public:
property bool UsesPerPixelOpacity { bool get(); };public bool UsesPerPixelOpacity { [System.Security.SecurityCritical] get; }public bool UsesPerPixelOpacity { get; }[<get: System.Security.SecurityCritical>]
member this.UsesPerPixelOpacity : boolmember this.UsesPerPixelOpacity : boolPublic ReadOnly Property UsesPerPixelOpacity As BooleanProperty Value
true if the system uses per-pixel opacity; otherwise, false.
- Attributes
Remarks
When you enable per-pixel opacity, the system no longer draws the non-client area. This is because the intended purpose of UsesPerPixelOpacity is to show non-rectangular top-level UI that works in interoperation scenarios. Therefore, showing the rectangular non-client area defeats that purpose.
Applies to
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