Vista ProgressBar Marquee drawing

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Post by "ted ", 08-07-2007, 9:17
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How to implement vista progressbar marquee drawing?

Microsoft define some new theme element for progressbar in vista, see the following:

<Control name="PROGRESS">
<Part name="PP_BAR" value="1" >
</Part>
<Part name="PP_BARVERT" value="2" >
</Part>
<Part name="PP_CHUNK" value="3" >
</Part>
<Part name="PP_CHUNKVERT" value="4" />
<Part name="PP_FILL" value="5">
<State name="PBFS_NORMAL" value="1" />
<State name="PBFS_ERROR" value="2" />
<State name="PBFS_PAUSED" value="3" />
<State name="PBFS_PARTIAL" value="4" />
</Part>
<Part name="PP_FILLVERT" value="6">
<State name="PBFVS_NORMAL" value="1" />
<State name="PBFVS_ERROR" value="2" />
<State name="PBFVS_PAUSED" value="3" />
<State name="PBFVS_PARTIAL" value="4" />
</Part>
<Part name="PP_PULSEOVERLAY" value="7" >
</Part>
<Part name="PP_MOVEOVERLAY" value="8" >
</Part>
<Part name="PP_PULSEOVERLAYVERT" value="9" >
</Part>
<Part name="PP_MOVEOVERLAYVERT" value="10" ></Part>
<Part name="PP_TRANSPARENTBAR" value="11">
<State name="PBBS_NORMAL" value="1" />
<State name="PBBS_PARTIAL" value="2" />
</Part>
<Part name="PP_TRANSPARENTBARVERT" value="12">
<State name="PBBVS_NORMAL" value="1" />
<State name="PBBVS_PARTIAL" value="2" />
</Part>
</Control>

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May the Chunk, Fill, and MOVEOVERLAY is useful, see the folowing picture:

We can draw the progress bar default effect by draing Chunk + MoveOverlay.

The Marquee chunk element isn't defined directly, and maybe the Marquee chunk seems make some transform for default chunk by MoveOverlay or other.

Welcome your comments.

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