protected override void OnFormClosing( FormClosingEventArgs e )
{
if ( m_Tex2D != null )
m_Tex2D.Dispose();
if ( m_TexCube != null )
m_TexCube.Dispose();
if ( m_Tex3D != null )
m_Tex3D.Dispose();
m_Shader_Render2D.Dispose();
m_CB_Global.Dispose();
m_Device.Dispose();
base.OnFormClosing( e );
}