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ID2D1RenderTarget::GetDpi method

Return the render target's dots per inch (DPI).

Syntax

C++


virtual void GetDpi(
  [out] FLOAT *dpiX,
  [out] FLOAT *dpiY
) const = 0;

Parameters

dpiX [out]

Type: FLOAT*

When this method returns, contains the horizontal DPI of the render target. This parameter is passed uninitialized.

dpiY [out]

Type: FLOAT*

When this method returns, contains the vertical DPI of the render target. This parameter is passed uninitialized.

Return value

This method does not return a value.

Remarks

This method indicates the mapping from pixel space to device-independent space for the render target.

For ID2D1HwndRenderTarget, the DPI defaults to the most recently factory-read system DPI. The default value for all other render targets is 96 DPI.

Requirements

Minimum supported client	Windows 7, Windows Vista with SP2 and Platform Update for Windows Vista [desktop apps \| Windows Store apps]
Minimum supported server	Windows Server 2008 R2, Windows Server 2008 with SP2 and Platform Update for Windows Server 2008 [desktop apps \| Windows Store apps]
Minimum supported phone	Windows Phone 8.1 [Windows Phone Silverlight 8.1 and Windows Runtime apps]
Header	D2d1.h
Library	D2d1.lib
DLL	D2d1.dll