CDC::ScaleWindowExt

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virtualCSizeScaleWindowExt(intxNum**,intxDenom,intyNum,int**
yDenom**);**

Return Value

The previous window extents (in logical units) as a CSize object.

Parameters

xNum

Specifies the amount by which to multiply the current x-extent.

xDenom

Specifies the amount by which to divide the result of multiplying the current x-extent by the value of the xNum parameter.

yNum

Specifies the amount by which to multiply the current y-extent.

yDenom

Specifies the amount by which to divide the result of multiplying the current y-extent by the value of the yNum parameter.

Remarks

Modifies the window extents relative to the current values. The formulas are written as follows:

xNewWE = ( xOldWE * xNum ) / xDenom
yNewWE = ( yOldWE * yNum ) / yDenom

The new window extents are calculated by multiplying the current extents by the given numerator and then dividing by the given denominator.

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See Also   CDC::GetWindowExt, CSize