_CommandBarButton.Mask Property
Definition
Important
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Returns or sets an IPictureDisp object that represents the mask image of a _CommandBarButton object.
public:
property stdole::IPictureDisp ^ Mask { stdole::IPictureDisp ^ get(); void set(stdole::IPictureDisp ^ value); };public stdole.IPictureDisp Mask { get; set; }member this.Mask : stdole.IPictureDisp with get, setPublic Property Mask As IPictureDispProperty Value
Remarks
The mask image determines what parts of the button image are transparent.
When you create an image that you plan on using as a mask image, all of the areas that you want to be transparent should be white, and all of the areas that you want to show should be black.
Always set the mask after you have set the picture for a CommandBarButton object.