QTS no. 3 - Primitive line drawing function

/*
-----------------------------------------
* Game hacking QTS ( Quickie Tip Series )
* no. 3 - Primitive line drawing function
-----------------------------------------
* Author: SEGnosis 	- GHAnon.net
* Thanks to:
* bitterbanana		- No known site
* Drunken Cheetah 	- No known site
* fatboy88 		- No known site
* Geek4Ever 		- No known site
* learn_more 		- www.uc-forum.com
* Novocaine 		- http://ilsken.net/blog/?page_id=64
* Philly0494 		- No known site
* Roverturbo 		- www.uc-forum.com
* SilentKarma 		- www.halocoders.com - offline
* Strife 		- www.uc-forum.com
* Wieter20 		- No known site
*/

//----------------------------------//
LPD3DXLINE	g_pLine; // global

void DrawLine   ( long Xa, long Ya, long Xb, long Yb, DWORD dwWidth, D3DCOLOR Color )
{
	D3DXVECTOR2 vLine[ 2 ]; // Two points
	g_pLine->SetAntialias( 0 ); // To smooth edges

	g_pLine->SetWidth( dwWidth ); // Width of the line
	g_pLine->Begin();

		vLine[ 0 ][ 0 ] = Xa; // Set points into array
		vLine[ 0 ][ 1 ] = Ya;
		vLine[ 1 ][ 0 ] = Xb;
		vLine[ 1 ][ 1 ] = Yb;

	g_pLine->Draw( vLine, 2, Color ); // Draw with Line, number of lines, and color
	g_pLine->End(); // finish
}
//----------------------------------//

//----------------------------------//
if( !g_pLine )
	D3DXCreateLine( pDevice, &g_pLine ); // Make sure to create before calling DrawLine, use in endscene, present, etc
//----------------------------------//
// Make sure to reset as well to avoid crashes