| ?/TD> | 
| Microsoft DirectX 9.0 | 
Gets a constant by looking up its name.
Syntax
D3DXHANDLE GetConstantByName(
D3DXHANDLE hConstant, LPCSTR pName );
Parameters
- hConstant
 - [in] Unique identifier to the parent data structure. If the constant is a top-level parameter (there is no parent data structure), use NULL.
 - pName
 - [in] Name of the constant.
 
Return Value
Returns a unique identifier to the constant.