ID3DXConstantTable::SetBool
    Sets a Boolean value.
            
		
        
HRESULT SetBool(
  LPDIRECT3DDEVICE9 pDevice,
  D3DXHANDLE hConstant,
  BOOL b
);
    
Parameters
      - pDevice
- [in]  Pointer to an IDirect3DDevice9 interface, representing the device associated with the constant table.
- hConstant
- [in]  Unique identifier to the constant. See D3DXHANDLE.
- b
- [in]  Boolean value.
Return Values
If the method succeeds, the return value is D3D_OK. If the method fails, the return value can be D3DERR_INVALIDCALL.
Requirements
  Header: Declared in D3dx9shader.h.