Drawing in different ways ????

[sachin]

Please read the code snippets belo

snippet 1: Drawing rectangle using Device Context
----------------------------------------------------------------[System.Runtime. InteropServices .DllImportAttri bute("gdi32.dll ")
private static extern bool Rectangle
IntPtr hdc
int ulCornerX, int ulCornerY
int lrCornerX, int lrCornerY)
public void GetHdcForGDI(Pa intEventArgs e

// Create pen
Pen redPen = new Pen(Color.Red, 1)
// Draw rectangle with GDI+
e.Graphics.Draw Rectangle(redPe n, 10, 10, 100, 50)
// Get handle to device context
IntPtr hdc = new IntPtr()
hdc = e.Graphics.GetH dc()
// Draw rectangle with GDI using default pen
Rectangle(hdc, 10, 70, 110, 120)
// Release handle to device context
e.Graphics.Rele aseHdc(hdc)

-----------------------------------------------------------------

snippet 2: Drawing rectangle using PrintPageEvntAr g
-------------------------------------------------------------------
private void printDocument1_ PrintPage(objec t sender, System.Drawing. Printing.PrintP ageEventArgs e

Pen redPen = new Pen(Color.Red, 1)
e.Graphics.Draw Rectangle(redPe n, 100, 100, 100, 100)

---------------------------------------------------------------------

Please explain what is difference between drawing rectangle using Device Context and PrintPageEvntAr gs in terms of the concept and merits

regards