From 989b5979a9496c266e59c296463cc7cb2118f23c Mon Sep 17 00:00:00 2001
From: Kathy <kruffing@volian.com>
Date: Tue, 8 Feb 2011 11:31:56 +0000
Subject: [PATCH]

---
 PROMS/Volian.Controls.Library/RTBAPI.cs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/PROMS/Volian.Controls.Library/RTBAPI.cs b/PROMS/Volian.Controls.Library/RTBAPI.cs
index b43870dd..8a0b73d3 100644
--- a/PROMS/Volian.Controls.Library/RTBAPI.cs
+++ b/PROMS/Volian.Controls.Library/RTBAPI.cs
@@ -841,6 +841,23 @@ namespace Volian.Controls.Library
 			cft.dwMask |= CharFormatMasks.CFM_BACKCOLOR;
 			SetCharFormat(richTextBox, selection, cft);
 		}
+		public static void SetSpaceBefore(RichTextBox richTextBox, int spaceBefore)
+		{
+			ParaFormatTwo pft = GetParaFormat(richTextBox);
+			pft.dwMask = 0;
+			pft.dwMask |= ParaFormatMasks.PFM_SPACEBEFORE;
+			// get the monitor's resolution in DPI and use it to set the linespacing value for
+			// the richtextbox.  Note that without this, the Arial Unicode font made the appearance of
+			// almost double linespacing.  Using PFS_Exact makes it appear as regular single spacing.
+			Graphics g = richTextBox.CreateGraphics();
+			int dpi = Convert.ToInt32((g.DpiX + g.DpiY) / 2);
+			g.Dispose();
+			// dyLineSpacing is Spacing between lines. the PFS_EXACT sets line spacing as the spacing from one
+			//line to the next, in twips - thus the 1440. 
+
+			pft.dySpaceBefore = spaceBefore * 1440 / dpi;
+			SetParaFormat(richTextBox, pft);
+		}
 		public static void SetLineSpacing(RichTextBox richTextBox, ParaSpacing type)
 		{
 			ParaFormatTwo pft = GetParaFormat(richTextBox);