IBasicVideo2.GetVideoPaletteEntries

Article
08/31/2010

Note This topic is deprecated. It applies to Visual Basic 6.0. DirectShow is not supported for Visual Basic .NET or C#.

The GetVideoPaletteEntries method retrieves the palette colors for the video.

objVideo.GetVideoPaletteEntries(
    StartIndex As Long,
    Entries As Long,
    ByRef Retrieved As Long,
    ByRef Palette As Long)

Parameters

StartIndex
Start index for the palette.
Entries
Number of palette entries to retrieve.
Retrieved
Variable that receives the number of entries returned in Palette.
Palette
Variable that receives the palette entries. Set this parameter equal to the first element in an array of type Long. Treat the returned values as PALETTEENTRY structures.

Return Value

This method does not return a value.

Remarks

The method fails if no palette is available. This can occur if the bit depth of the display is too high.

Examples

Dim Retrieved As Long, Palette(16) As Long
Dim blue As Byte, red As Byte, green As Byte
iVideo.GetVideoPaletteEntries 0, 16, Retrieved, Palette(0)
For i = 0 To Retrieved - 1
    red = Palette(i) And &HFF
    green = (Palette(i) And &HFF00&) / 256
    blue = (Palette(i) And &HFF0000) / 65536
Next

Requirements

Type Library	ActiveMovie control type library
DLL	Quartz.dll

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