PEcopyemftoclipboard
BOOL PEcopyemftofile (hObject, lpPoint, nEmfType, nEmfDC, bEmfBitmapGradients, hRefDC)
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HWND
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hObject
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The handle returned from PEcreate.
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POINT*
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lpPoint
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Pointer to POINT struct holding size.
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int
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nEmfType
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Controls the format of enhanced metafile. See below for more info.
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int
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nEmfDC
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Controls the Device Context used in recording the enhanced metafile. See below for more info.
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BOOL
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bEmfBitmapGradients
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Controls if enhanced metafile will include background bitmaps and gradients.
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int
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hRefDC
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Normally left zero and above nEmfDC selects the working device context. If non-zero, this parameter should identify a device context handle to be used for creating / recording enhanced metafile.
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This function places the current image, in the form of an enhanced metafile, onto the clipboard. It is recommended that ExportImageDPI is set to 300 DPI.
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Parameter
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Description
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lpPoint
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Pointer to a POINT struct where POINT.x stores the width and POINT.y stores the height. The dimensions are in 1/100th of a millimeter. The dimensions must not equal zero. To insure image quality, the aspect ratio (width/height) must be between 0.333 and 10.0
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nEmfType
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PEET_EMF_GDI (0)
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Legacy GDI enhanced metafile, converted via GDIPlus to simulate GDIPlus within GDI . Highly supported.
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Dual format: renders as GdiPlus if available, else renders as Gdi if GdiPlus is not available. File size is usually quite large. MS Office and Adobe supported, though large sized fonts tend to be quirky. Test for Adobe support if you want to print to a PDF. Hopefully Microsoft will improve their poor support for this image format.
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Renders as GdiPlus only. File size is very small. GdiPlus must be present and this format has limited support. MS Office/Adobe may not fully support. Test thoroughly if using this setting. Hopefully more support will arrive as file-size and image-quality is best within this format.
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nEmfDC
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PEEDC_DISPLAY_DPI_ADJ (0)
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Uses the current video display Device Context. Metafile header is not modified, and DPI of the metafile will match the DPI of the video display. Best if export will only be viewed on a monitor and never printed.
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Uses the current default printer driver. This setting may be the best solution if ExportImageDpi will be set to 300 DPI.
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bEmfBitmapGradients
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If True, file sizes may be large and radial gradients may show artifacts when nEmfType is 0. Linear gradients are well supported. If False and BitmapGradientMode = True, then the background region will be transparent. In this case, it's best to use black or dark colored chart text.
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hRefDC
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See the Windows CreateEnhMetafile API call for more info on the hRefDC parameter. Usually left zero.
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Returns
NonZero if the function was successful, otherwise Zero.
Comments
The metafile created is an Enhanced Metafile or Enhanced Plus Metafile (supporting GdiPlus). Standard metafiles are exported with PEcopymetatoclipboard.
.NET developers, see PeFunction.Image.EmfToClipboard
Ocx|Vcl developers, see the PEcopyemftoclipboard method.
Delphi developers, call this function directly as defined within PEGRPAPI.PAS.
See also: PEcopyemftofile, PEcopyemftohglobal, PEgetenhancedmeta
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