//获得wNumberingStyleg的返回值
public Paraformat2NumberingStyle GetSelectionParaformat2wNumberingStyle()
{
PARAFORMAT2 p = new PARAFORMAT2();
SendMessage(richTextBox.Handle, EM_GETPARAFORMAT, 0, p);
return((Paraformat2NumberingStyle)p.wNumberingStyle);
}
//http://msdn.microsoft.com/en-us/library/bb787942(VS.85).aspx
/// <summary>
/// just testing, this is quite complicated
/// http://msdn2.microsoft.com/en-us/library/aa140277(office.10).aspx
/// </summary>
public void LineSpace(LineSpaceTypes types, bool bSelectAll)
{
PARAFORMAT2 paraformat1 = new PARAFORMAT2();
paraformat1.dwMask = (int)PFM_LINESPACING;
paraformat1.cbSize = (int)Marshal.SizeOf(paraformat1); //(UInt32)Marshal.SizeOf(paraformat1);
paraformat1.bLineSpacingRule = (byte)(((int)types));
//paraformat1.wReserved = 0;
switch (types)
{
case LineSpaceTypes.Single: paraformat1.dyLineSpacing = 20; break;
case LineSpaceTypes.OneAndHalf: paraformat1.dyLineSpacing = 30; break;
case LineSpaceTypes.Double: paraformat1.dyLineSpacing = 40; break;
}
// paraformat1.dyLineSpacing = ((int)types)40; // the above commented lie. This does need to be set
if (bSelectAll == true)
{
this.SelectAll();
}
SendMessage(new System.Runtime.InteropServices.HandleRef(this, this.Handle), 0x447, 0, paraformat1);
this.SelectionLength = 0;
}
/// <summary>
/// Sets the right indent value. Right indent is the
/// distance to indent to the left, from the right
/// margin. The larger the number, the further to
/// the left the text will be indented.
/// </summary>
/// <param name="twipsIndentValue"></param>
private void SetSelectionRightIndent(int twipsIndentValue)
{
PARAFORMAT2 pf = new PARAFORMAT2();
pf.cbSize = Marshal.SizeOf(pf);
pf.dwMask = PFM_RIGHTINDENT;
pf.dxRightIndent = twipsIndentValue;
SendMessage(hWnd, EM_SETPARAFORMAT, SCF_SELECTION, ref pf);
}
/// <summary>
/// Gets the existing vertical line spacing between
/// lines of text, for the current text selection.
/// </summary>
public byte GetSelectionLineSpacing()
{
PARAFORMAT2 pf = new PARAFORMAT2();
pf.cbSize = Marshal.SizeOf(pf);
pf.dwMask |= PFM_LINESPACING | PFM_SPACEAFTER;
SendMessage(hWnd, EM_GETPARAFORMAT, SCF_SELECTION, ref pf);
return(pf.bLineSpacingRule);
}
/// <summary>
/// Returns the rtf formatting right indent value for the
/// selected text, in twips.
/// </summary>
/// <returns>The right indent value in twips.</returns>
private int GetSelectionRightIndent()
{
PARAFORMAT2 pf = new PARAFORMAT2();
pf.cbSize = Marshal.SizeOf(pf);
pf.dwMask = PFM_RIGHTINDENT;
SendMessage(hWnd, EM_GETPARAFORMAT, SCF_SELECTION, ref pf);
return(pf.dxRightIndent);
}
public void SetSelectionLineSpacing(byte bLineSpacingRule, int dyLineSpacing)
{
PARAFORMAT2 format = new PARAFORMAT2();
format.cbSize = Marshal.SizeOf(format);
format.dwMask = PFM_LINESPACING;
format.dyLineSpacing = dyLineSpacing;
format.bLineSpacingRule = bLineSpacingRule;
SendMessage(this.Handle, EM_SETPARAFORMAT, SCF_SELECTION, ref format);
}
/// <summary>
/// Sets vertical line spacing between lines
/// of text, for the current text selection.
/// </summary>
/// <param name="spacing">Set to one of the bLineSpacingRule (BL_) constants,
/// such as "BL_SINGLE_LINE_SPACING".</param>
public void SetSelectionLineSpacing(byte spacing)
{
// Ignore request if spacing value not valid.
// Valid values are 0, 1 and 2.
if (spacing < 3)
{
PARAFORMAT2 pf = new PARAFORMAT2();
pf.cbSize = Marshal.SizeOf(pf);
pf.dwMask |= PFM_LINESPACING | PFM_SPACEAFTER;
pf.bLineSpacingRule = spacing;
SendMessage(hWnd, EM_SETPARAFORMAT, SCF_SELECTION, ref pf);
}
}
//调整高度
public void AdjustLineSpace(RichTextBox rc, double times)
{
rc.SelectAll();
//double RowDist = double.Parse(this.comboBox1.Text);
//RichTextBox行距为RowDist
PARAFORMAT2 fmt = new PARAFORMAT2();
fmt.cbSize = Marshal.SizeOf(fmt);
fmt.bLineSpacingRule = 4; //4：固定高度
fmt.dyLineSpacing = (int)(((int)rc.Font.Size) * 20 * times);
fmt.dwMask = PFM_LINESPACING;
SendMessage(new HandleRef(rc, rc.Handle), EM_SETPARAFORMAT, 0, ref fmt);
}
public void SetSelectionParaFormat2(Paraformat2NumberingStyle style, Paraformat2Numbering Number)
{
PARAFORMAT2 p = new PARAFORMAT2();
p.dwMask = (int)(PFM_NUMBERING | PFM_OFFSET | PFM_NUMBERINGSTART | PFM_NUMBERINGSTYLE | PFM_NUMBERINGTAB);
p.wNumbering = (short)Number;
//p.dxOffset = BulletIndent;
p.wNumberingStyle = (short)style;
p.wNumberingStart = 1;
p.wNumberingTab = 500;
SendMessage(richTextBox.Handle, EM_SETPARAFORMAT, 0, p);
}
/// <summary>
/// 获取当前光标所在段落行距
/// </summary>
/// <param name="hRichEditHandle">富文本编辑器句柄</param>
/// <returns>段落行距</returns>
public static float GetLineSpacing(IntPtr hRichEditHandle)
{
PARAFORMAT2 fmt = new PARAFORMAT2();
fmt.cbSize = Marshal.SizeOf(fmt);
fmt.dwMask = PFM_LINESPACING;
IntPtr lParam = Marshal.AllocCoTaskMem(fmt.cbSize);
Marshal.StructureToPtr(fmt, lParam, true);
NativeMethods.User32.SendMessage(hRichEditHandle, EM_GETPARAFORMAT, IntPtr.Zero, lParam);
Marshal.FreeCoTaskMem(lParam);
return(fmt.dyLineSpacing / 100f);
}
/// <summary>
/// 设置指定的富文本编辑器当前光标所在段落行距
/// </summary>
/// <param name="hRichEditHandle">富文本编辑器句柄</param>
/// <param name="lineSpacing">段落行距</param>
public static void SetLineSpacing(IntPtr hRichEditHandle, float lineSpacing)
{
PARAFORMAT2 fmt = new PARAFORMAT2();
fmt.cbSize = Marshal.SizeOf(fmt);
fmt.bLineSpacingRule = 4;
fmt.dyLineSpacing = (int)(lineSpacing * 100);
fmt.dwMask = PFM_LINESPACING;
IntPtr lParam = Marshal.AllocCoTaskMem(fmt.cbSize);
Marshal.StructureToPtr(fmt, lParam, true);
NativeMethods.User32.SendMessage(hRichEditHandle, EM_SETPARAFORMAT, IntPtr.Zero, lParam);
Marshal.FreeCoTaskMem(lParam);
}
/// <summary>
/// 设置行距
/// </summary>
/// <param name="ctl">控件</param>
/// <param name="dyLineSpacing">间距</param>
public static void SetLineSpace(Control ctl, int dyLineSpacing)
{
PARAFORMAT2 fmt = new PARAFORMAT2();
fmt.cbSize = Marshal.SizeOf(fmt);
fmt.bLineSpacingRule = 4;// bLineSpacingRule;
fmt.dyLineSpacing = dyLineSpacing;
fmt.dwMask = PFM_LINESPACING;
try
{
SendMessage(new HandleRef(ctl, ctl.Handle), EM_SETPARAFORMAT, 0, ref fmt);
}
catch
{
}
}
/// <summary>
/// 设置行距
/// </summary>
/// <param name="ctl">控件</param>
/// <param name="dyLineSpacing">间距</param>
public static void SetLineSpace(Control ctl, int dyLineSpacing)
{
//1像素=15缇。
dyLineSpacing = dyLineSpacing * 15;
//4:dylinespace成员以 缇。的形式指定从一行到下一行的间距。控件使用指定的精确间距，即使dylinespace指定的值小于单个间距。
//3:dylinespace成员以 缇。的形式指定从一行到下一行的间隔。但是，如果dylinespace指定的值小于单间距，则控件将显示单间距文本。
byte bLineSpacingRule = (byte)3;
PARAFORMAT2 fmt = new PARAFORMAT2();
fmt.cbSize = Marshal.SizeOf(fmt);
fmt.bLineSpacingRule = bLineSpacingRule;
fmt.dyLineSpacing = dyLineSpacing;
fmt.dwMask = PFM_LINESPACING;
try
{
SendMessage(new HandleRef(ctl, ctl.Handle), EM_SETPARAFORMAT, bLineSpacingRule, ref fmt);
}
catch
{ }
}
public void NumberedBullet(bool TurnOn)
{
PARAFORMAT2 paraformat1 = new PARAFORMAT2();
paraformat1.dwMask = (int)(PFM_NUMBERING | PFM_OFFSET | PFM_NUMBERINGSTART | PFM_NUMBERINGSTYLE | PFM_NUMBERINGTAB);
if (!TurnOn)
{
paraformat1.wNumbering = 0;
paraformat1.dxOffset = 0;
}
else
{
paraformat1.wNumbering = (short)_BulletType;
paraformat1.dxOffset = this.BulletIndent;
paraformat1.wNumberingStyle = (short)_BulletStyle;
paraformat1.wNumberingStart = _BulletNumberStart;
paraformat1.wNumberingTab = 500;
}
SendMessage(new System.Runtime.InteropServices.HandleRef(this, this.Handle), 0x447, 0, paraformat1);
}
public void NumberedBullet(bool TurnOn)
{
PARAFORMAT2 paraformat1 = new PARAFORMAT2();//初始化类PARAFORMAT2的一个新实例
paraformat1.dwMask = (int)(PFM_NUMBERING | PFM_OFFSET | PFM_NUMBERINGSTART |
PFM_NUMBERINGSTYLE | PFM_NUMBERINGTAB); //设置实例的dwMask属性
if (!TurnOn) //当和TurnOn的初始值相反时
{
paraformat1.wNumbering = 0; //设置wNumbering属性为0
paraformat1.dxOffset = 0; //设置dxOffset属性为0
}
else//当和TurnOn的初始值相同时
{
paraformat1.wNumbering = (short)_BulletType; //设置wNumbering的值
paraformat1.dxOffset = this.BulletIndent; //设置dxOffset的值
paraformat1.wNumberingStyle = (short)_BulletStyle; //设置项目编号的样式
paraformat1.wNumberingStart = _BulletNumberStart; //设置项目编号的起始位置
paraformat1.wNumberingTab = 500; //设置按Tab键文本移动的距离
}
SendMessage(new System.Runtime.InteropServices.HandleRef(this, this.Handle),
0x447, 0, paraformat1);//发送指定的消息
}
public void NumberedBullet(bool TurnOn)
{
PARAFORMAT2 paraformat1 = new PARAFORMAT2();//初始化類PARAFORMAT2的一個新實例
paraformat1.dwMask = (int)(PFM_NUMBERING | PFM_OFFSET | PFM_NUMBERINGSTART |
PFM_NUMBERINGSTYLE | PFM_NUMBERINGTAB); //設定實例的dwMask屬性
if (!TurnOn) //當和TurnOn的預設值相反時
{
paraformat1.wNumbering = 0; //設定wNumbering屬性為0
paraformat1.dxOffset = 0; //設定dxOffset屬性為0
}
else//當和TurnOn的預設值相同時
{
paraformat1.wNumbering = (short)_BulletType; //設定wNumbering的值
paraformat1.dxOffset = this.BulletIndent; //設定dxOffset的值
paraformat1.wNumberingStyle = (short)_BulletStyle; //設定項目編號的樣式
paraformat1.wNumberingStart = _BulletNumberStart; //設定項目編號的起始位置
paraformat1.wNumberingTab = 500; //設定按Tab鍵文字移動的距離
}
SendMessage(new System.Runtime.InteropServices.HandleRef(this, this.Handle),
0x447, 0, paraformat1);//發送指定的消息
}
private static extern IntPtr SendMessage(HandleRef hWnd, int msg, int wParam, ref PARAFORMAT2 lParam);
public static extern int SendMessage(IntPtr hWnd, int Msg, int wParam, ref PARAFORMAT2 pf2);
public static extern IntPtr SendMessage(System.Runtime.InteropServices.HandleRef hWnd, int msg, int wParam, [In, Out, MarshalAs(UnmanagedType.LPStruct)] PARAFORMAT2 lParam);
private static extern IntPtr SendMessage(IntPtr hWnd, uint msg, uint wParam, [In, Out, MarshalAs(UnmanagedType.LPStruct)] PARAFORMAT2 lParam);
private static extern IntPtr SendMessage(IntPtr hWnd, UInt32 msg, UInt32 wParam, ref PARAFORMAT2 lParam);
private static extern int SendMessage(HandleRef hWnd, int _msg, int wParam, ref PARAFORMAT2 _pf);
private static extern IntPtr SendMessage(HandleRef hWnd, int msg, int wParam,
[In, Out, MarshalAs(UnmanagedType.LPStruct)] PARAFORMAT2 lParam); //定義一個向視窗進程發送消息的API函數
public static extern int SendMessage(IntPtr hWnd, int msg, int wParam, ref PARAFORMAT2 lParam);
