, Visual C#


         

,


if (OffOn == false)
{
// :
timer1.Enabled = false;
// OffOn :
OffOn = true;
}
else
{
// :
timer1.Enabled = true;
// OffOn :
OffOn = false;
}
}
60.6. PrintDocument.
private void printDocument1_PrintPage(object sender,
System.Drawing.Printing.PrintPageEventArgs e)
{
// myGraphics Graphics:
Graphics myGraphics = CreateGraphics();
// myGraphics :
myGraphics = e.Graphics;
// ,
// :
myGraphics.DrawLine(new Pen(Color.Red, 3),
boundary_of_rectangle_x, boundary_of_rectangle_,
width_of_rectangle, boundary_of_rectangle_);
myGraphics.DrawLine(new Pen(Color.Red, 3),
boundary_of_rectangle_x, boundary_of_rectangle_,
boundary_of_rectangle_x, height_of_rectangle);
myGraphics.DrawLine(new Pen(Color.Red, 3),
boundary_of_rectangle_x, height_of_rectangle,
width_of_rectangle, height_of_rectangle);
myGraphics.DrawLine(new Pen(Color.Red, 3),
width_of_rectangle, boundary_of_rectangle_,
width_of_rectangle, height_of_rectangle);
// ,
//:
Font drawFont = new Font("Times New Roman", 100,
FontStyle.Bold, GraphicsUnit.Point);
// , :
string drawText = "Visual";
//
// MeasureString:
SizeF SizeF_of_Text = new
SizeF(myGraphics.MeasureString(drawText, drawFont));