Paint DataWindow expression function
Description
Takes a string expression argument and returns the same string,
allowing you to paint inside a DataWindow object in a way that respect
the position and z-order of other DataWindow objects.
Syntax
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<span>Paint</span> ( <span>expr</span> ) |
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Argument |
Description |
|---|---|
|
expr |
Any valid DataWindow expression. It should |
Return Values
String. The Paint expression function takes a string expression
argument and returns the same string.
Examples
This example instantiates the drawing functions and,
if the drawing function returns false, the text “No Pie” displays.
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Paint |
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( |
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     MyDrawPieSlice |
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     ( |
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          GetPaintDC() |
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          GetPaintRectX() |
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          GetPaintRectY() |
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          GetPaintRectWidth() |
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          GetPaintRectHeight() |
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          GetRow()*100/RowCount() |
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     ) |
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) |
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Paint |
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( |
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     MyDrawPieSlice |
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     ( |
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          GetPaintDC(), |
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          GetRow()*100/RowCount() |
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     ) |
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) |
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Paint |
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( |
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 if MyDrawPieSlice(GetPaintDC()),"","No Pie") |
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) |
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