XFORMOBJ_iGetXform function (winddi.h)
The XFORMOBJ_iGetXform function downloads a transform to the driver.
Syntax
ENGAPI ULONG XFORMOBJ_iGetXform(
XFORMOBJ *pxo,
XFORML *pxform
);
Parameters
pxo
Pointer to the XFORMOBJ structure that defines the transform to be downloaded to the driver.
pxform
Pointer to the buffer that is to receive the XFORML structure. This parameter can be NULL.
Return value
If an error occurs, the return value is DDI_ERROR. Otherwise, the return value is a complexity hint about the transform object. The value of this transform characterization can be one of the following:
Return code | Description |
---|---|
|
Arbitrary 2 x 2 matrix and offset. |
|
Identity matrix; no translation offset. |
|
Identity matrix; there is a translation offset. |
|
Off-diagonal matrix elements are zero. |
Requirements
Requirement | Value |
---|---|
Minimum supported client | Available in Windows 2000 and later versions of the Windows operating systems. |
Target Platform | Universal |
Header | winddi.h (include Winddi.h) |
Library | Win32k.lib |
DLL | Win32k.sys |