TextureBrush texturebrushBMPTiling = new TextureBrush(bmpImageFromResource);
gfxOffscreen.FillRectangle(texturebrushBMPTiling, 0, 0, ClientRectangle.Width, ClientRectangle.Height);
TextureBrush texturebrushBMPTiling = new TextureBrush(bmpImageFromResource);
gfxOffscreen.FillRectangle(texturebrushBMPTiling, 0, 0, ClientRectangle.Width, ClientRectangle.Height);