Set Margin

Category: Controls - Edit Controls

Date: 02-16-2022

'Primary Code:
'Credit: Paul Squires  http://www.powerbasic.com/support/pbforums/showthread.php?t=40096&highlight=%25EM_Setmargins

'Compilable Example:  (Jose Includes)
#Compiler PBWin 9, PBWin 10
#Compile EXE
#Dim All
%Unicode=1
#Include "Win32API.inc"
Global hDlg As DWord

Function PBMain() As Long
   Local style&, buf$
   style& = %WS_Child Or %WS_Visible Or %ES_MultiLine Or %ES_WantReturn Or %WS_TabStop Or %WS_Border
   buf$ = "This is sample text for the edit control."

   Dialog New Pixels, 0, "Test Code",300,300,200,200, %WS_OverlappedWindow To hDlg
   Control Add Button, hDlg, 100,"Push", 50,10,100,20
   Control Add TextBox, hDlg, 200, buf$, 50,35, 100,100, Style&
   Dialog Show Modal hDlg Call DlgProc
End Function

CallBack Function DlgProc() As Long
   If CB.Msg = %WM_Command AND CB.Ctl = 100 AND CB.Ctlmsg = %BN_Clicked Then
      Control Send hDlg, 200, %EM_SetMargins, %EC_LeftMargin Or %EC_RightMargin, Mak(Long, 20,20)
   End If
End Function

'gbs_00505
'Date: 03-10-2012

created by gbSnippets
http://www.garybeene.com/sw/gbsnippets.htm