Allocates an array of DXPMSAMPLE structures.
Syntax
HRESULT DXPMSAMPLE_Alloca(
  _In_ int ulNumSamples
);
Parameters
- ulNumSamples [in]
 A value of type int that specifies the number of samples to allocate.
Return value
Returns a pointer to the array of samples, or NULL if the allocation fails.
Requirements
| Minimum supported client | Windows XP | 
| Minimum supported server | Windows 2000 Server | 
| Header | Dxhelper.h |