ضع هذا الكود في ال module
Private Declare Function BitBlt Lib "gdi32.dll" Alias "BitBlt" (ByVal _ hdcDest As IntPtr, ByVal nXDest As Integer, ByVal nYDest As _ Integer, ByVal nWidth As Integer, ByVal nHeight As Integer, ByVal _ hdcSrc As IntPtr, ByVal nXSrc As Integer, ByVal nYSrc As Integer, _ ByVal dwRop As System.Int32) As Long
وهذا الكود في الفورم
Dim memoryImage As Bitmap Private Sub CaptureScreen() Dim mygraphics As Graphics = Me.CreateGraphics() Dim s As Size = Me.Size memoryImage = New Bitmap(s.Width, s.Height, mygraphics) Dim memoryGraphics As Graphics = Graphics.FromImage(memoryImage) Dim dc1 As IntPtr = mygraphics.GetHdc Dim dc2 As IntPtr = memoryGraphics.GetHdc BitBlt(dc2, 0, 0, Me.ClientRectangle.Width, _ Me.ClientRectangle.Height, dc1, 0, 0, 13369376) mygraphics.ReleaseHdc(dc1) memoryGraphics.ReleaseHdc(dc2) End Sub Private Sub PrintDocument1_PrintPage(ByVal sender As System.Object, _ ByVal e As System.Drawing.Printing.PrintPageEventArgs) Handles _ PrintDocument1.PrintPage e.Graphics.DrawImage(memoryImage, 0, 0) End Sub Private Sub B_print Click(ByVal sender As System.Object, ByVal e As _ System.EventArgs) Handles B_print.Click CaptureScreen() PrintDocument1.Print() End Sub
المتطلبات الرئيسية :-
1- كائن PrintDocument ويكون اسمه PrintDocument1
2- يكون زر الطباعة اسمه B_print