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D2D1_DC_INITIALIZE_MODE enumeration (d2d1.h)

  • Article

Specifies how a device context is initialized for GDI rendering when it is retrieved from the render target.

Syntax

typedef enum D2D1_DC_INITIALIZE_MODE {
  D2D1_DC_INITIALIZE_MODE_COPY = 0,
  D2D1_DC_INITIALIZE_MODE_CLEAR = 1,
  D2D1_DC_INITIALIZE_MODE_FORCE_DWORD = 0xffffffff
} ;

Constants

 
D2D1_DC_INITIALIZE_MODE_COPY
Value: 0
The current contents of the render target are copied to the device context when it is initialized.
D2D1_DC_INITIALIZE_MODE_CLEAR
Value: 1
The device context is cleared to transparent black when it is initialized.
D2D1_DC_INITIALIZE_MODE_FORCE_DWORD
Value: 0xffffffff

Remarks

Use this enumeration with the ID2D1GdiInteropRenderTarget::GetDC method to specify how the device context is initialized for GDI rendering.

Requirements

Requirement Value
Minimum supported client Windows 7, Windows Vista with SP2 and Platform Update for Windows Vista [desktop apps only]
Minimum supported server Windows Server 2008 R2, Windows Server 2008 with SP2 and Platform Update for Windows Server 2008 [desktop apps only]
Header d2d1.h

See also

ID2D1GdiInteropRenderTarget::GetDC