API for PDFNet SDK for Universal Windows Platform (UWP)
pdftron.PDF.Annots
Line Class
Line Methods
Close Method
Create Method
DeleteCustomData Method
Flatten Method
GetAnnotType Method
GetAppearance Method
GetBorderEffect Method
GetBorderEffectIntensity Method
GetBorderStyle Method
GetCaptionPosition Method
GetColorAsCMYK Method
GetColorAsGray Method
GetColorAsRGB Method
GetColorCompNum Method
GetContentRect Method
GetContents Method
GetCreationDates Method
GetCustomData Method
GetDate Method
GetEndPoint Method
GetEndStyle Method
GetFlag Method
GetIntentType Method
GetInteriorColor Method
GetInteriorColorCompNum Method
GetLeaderLineExtensionLength Method
GetLeaderLineLength Method
GetLeaderLineOffset Method
GetOpacity Method
GetOptionalContent Method
GetPadding Method
GetPage Method
GetPopup Method
GetRect Method
GetRotation Method
GetSDFObj Method
GetShowCaption Method
GetStartPoint Method
GetStartStyle Method
GetStructParent Method
GetSubject Method
GetTextHOffset Method
GetTextVOffset Method
GetTitle Method
GetTriggerAction Method
GetUniqueID Method
IsMarkup Method
IsValid Method
RefreshAppearance Method
RemoveAppearance Method
Resize Method
SetAppearance Method
SetBorderEffectIntensity Method
SetBorderStyle Method
SetCaptionPosition Method
SetColor Method
SetContentRect Method
SetContents Method
SetCreationDates Method
SetCustomData Method
SetDate Method
SetDateToNow Method
SetEndPoint Method
SetEndStyle Method
SetFlag Method
SetIntentType Method
SetInteriorColor Method
SetLeaderLineExtensionLength Method
SetLeaderLineLength Method
SetLeaderLineOffset Method
SetOpacity Method
SetOptionalContent Method
SetPadding Method
SetPage Method
SetPopup Method
SetRect Method
SetRotation Method
SetShowCaption Method
SetStartPoint Method
SetStartStyle Method
SetStructParent Method
SetSubject Method
SetTextHOffset Method
SetTextVOffset Method
SetTitle Method
SetUniqueID Method
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LineGetOpacity Method

Gets the contant opacity value corresponding to the annotation.

Namespace:  pdftron.PDF.Annots
Assembly:  pdftron (in pdftron.dll) Version: 255.255.255.255
Syntax
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public double GetOpacity()

Return Value

Type: Double
A number indicating the opacity value corresponding to the annotation.

Implements

IMarkupGetOpacity
Remarks
The constant opacity value shall be used in painting the annotation. This value shall apply to all visible elements of the annotation in its closed state (including its background and border) but not to the pop-up window that appears when the annotation is opened. The specified value shall not used if the annotation has an appearance stream in that case, the appearance stream shall specify any transparency. (However, if the compliant viewer regenerates the annotation’s appearance stream, it may incorporate the CA value into the stream’s content.) The implicit blend mode is Normal. Default value: 1.0. If no explicit appearance stream is defined for the annotation, it may bepainted by implementation-dependent means that do not necessarily conform to the PDF imaging model; in this case, the effect of this entry is implementation-dependent as well.
See Also