This commit is contained in:
Kathy Ruffing 2011-02-08 11:31:56 +00:00
parent 773b2d2380
commit 989b5979a9

View File

@ -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);