Cant get the print preview for the panel C# -


i want program show print preview of panel instead showing whole paper size. how set print preview of this?

    bitmap memoryimage;     public void getprintarea(panel pnl)     {         memoryimage = new bitmap(pnl.width, pnl.height);         rectangle rect = new rectangle(0, 0, pnl.width, pnl.height);         pnl.drawtobitmap(memoryimage, new rectangle(0, 0, pnl.width, pnl.height));     }     protected override void onpaint(painteventargs e)     {         if (memoryimage != null)         {             e.graphics.drawimage(memoryimage, 0, 0);             base.onpaint(e);         }     }     public void printdoc1_printpage(object sender, printpageeventargs e)     {         rectangle pagearea = e.pagebounds;         e.graphics.drawimage(memoryimage, (pagearea.width / 2) - (this.panel1.width / 2), this.panel1.location.y);     }     public void print(panel pnl)     {                 //printdocument1          pannel = pnl;         getprintarea(pnl);         previewdlg.document = printdoc1;         previewdlg.showdialog();     }      private void btnprintcheque_click(object sender, eventargs e)     {         print(panel1);      }


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