public void DrawText(int x, int y, int cch, string rgch, int xStretch)
{
DrawTextArgs args = new DrawTextArgs();
args.x = x;
args.y = y;
Assert.AreEqual(rgch.Length, cch, "cch passed to DrawText should be consistent with string");
args.rgch = rgch;
args.xStretch = xStretch;
m_drawTextCalls.Add(args);
}