/// <summary>
/// Sets the scroll bars.
/// </summary>
/// <param name="richTextBox">The rich text box.</param>
/// <param name="value">The value.</param>
public static void SetScrollBars(this RichTextBox richTextBox, RichTextBoxScrollBars value)
{
if (richTextBox.InvokeRequired)
{
richTextBox.BeginInvoke(new MethodInvoker(() => richTextBox.SetScrollBars(value)));
}
else
{
richTextBox.ScrollBars = value;
richTextBox.Refresh();
}
}
public virtual void ApplyScrollbars(RichTextBoxScrollBars scrollbars)
{
if (scrollView == null)
{
return;
}
switch (scrollbars)
{
case RichTextBoxScrollBars.None:
scrollView.HasVerticalScroller = false;
scrollView.HasHorizontalScroller = false;
scrollView.AutohidesScrollers = true;
break;
case RichTextBoxScrollBars.Vertical:
scrollView.HasVerticalScroller = true;
scrollView.HasHorizontalScroller = false;
scrollView.AutohidesScrollers = true;
break;
case RichTextBoxScrollBars.Horizontal:
scrollView.HasVerticalScroller = false;
scrollView.HasHorizontalScroller = true;
scrollView.AutohidesScrollers = true;
break;
case RichTextBoxScrollBars.Both:
scrollView.HasVerticalScroller = true;
scrollView.HasHorizontalScroller = true;
scrollView.AutohidesScrollers = true;
break;
case RichTextBoxScrollBars.ForcedVertical:
scrollView.HasVerticalScroller = true;
scrollView.HasHorizontalScroller = false;
scrollView.AutohidesScrollers = false;
break;
case RichTextBoxScrollBars.ForcedHorizontal:
scrollView.HasVerticalScroller = false;
scrollView.HasHorizontalScroller = true;
scrollView.AutohidesScrollers = false;
break;
case RichTextBoxScrollBars.ForcedBoth:
scrollView.HasVerticalScroller = true;
scrollView.HasHorizontalScroller = true;
scrollView.AutohidesScrollers = false;
break;
}
}
/// <summary>
/// Called when the Enabled state has changed.
/// </summary>
/// <param name="e">The event arguments.</param>
protected override void OnEnabledChanged(EventArgs e)
{
// .NET 1.1 had a bug with RichTextBox's scroll bars.
// After disabling and reenabling the control, the vertical scroll
// bar would end up permenantly disabled. But toggling the
// ScrollBars property on reenable seems to fix it.
if (this.Enabled && this.ScrollBars != RichTextBoxScrollBars.None)
{
RichTextBoxScrollBars original = this.ScrollBars;
this.ScrollBars = RichTextBoxScrollBars.None;
this.ScrollBars = original;
}
base.OnEnabledChanged(e);
}
// Constructor will go when complete, only for testing - pdb
internal TextBoxBase ()
{
alignment = HorizontalAlignment.Left;
accepts_return = false;
accepts_tab = false;
auto_size = true;
InternalBorderStyle = BorderStyle.Fixed3D;
actual_border_style = BorderStyle.Fixed3D;
character_casing = CharacterCasing.Normal;
hide_selection = true;
max_length = short.MaxValue;
password_char = '\0';
read_only = false;
word_wrap = true;
richtext = false;
show_selection = false;
enable_links = false;
list_links = new ArrayList ();
current_link = null;
show_caret_w_selection = (this is TextBox);
document = new Document(this);
document.WidthChanged += new EventHandler(document_WidthChanged);
document.HeightChanged += new EventHandler(document_HeightChanged);
//document.CaretMoved += new EventHandler(CaretMoved);
document.Wrap = false;
click_last = DateTime.Now;
click_mode = CaretSelection.Position;
MouseDown += new MouseEventHandler(TextBoxBase_MouseDown);
MouseUp += new MouseEventHandler(TextBoxBase_MouseUp);
MouseMove += new MouseEventHandler(TextBoxBase_MouseMove);
SizeChanged += new EventHandler(TextBoxBase_SizeChanged);
FontChanged += new EventHandler(TextBoxBase_FontOrColorChanged);
ForeColorChanged += new EventHandler(TextBoxBase_FontOrColorChanged);
MouseWheel += new MouseEventHandler(TextBoxBase_MouseWheel);
RightToLeftChanged += new EventHandler (TextBoxBase_RightToLeftChanged);
scrollbars = RichTextBoxScrollBars.None;
hscroll = new ImplicitHScrollBar();
hscroll.ValueChanged += new EventHandler(hscroll_ValueChanged);
hscroll.SetStyle (ControlStyles.Selectable, false);
hscroll.Enabled = false;
hscroll.Visible = false;
hscroll.Maximum = Int32.MaxValue;
vscroll = new ImplicitVScrollBar();
vscroll.ValueChanged += new EventHandler(vscroll_ValueChanged);
vscroll.SetStyle (ControlStyles.Selectable, false);
vscroll.Enabled = false;
vscroll.Visible = false;
vscroll.Maximum = Int32.MaxValue;
SuspendLayout ();
this.Controls.AddImplicit (hscroll);
this.Controls.AddImplicit (vscroll);
ResumeLayout ();
SetStyle(ControlStyles.UserPaint | ControlStyles.StandardClick, false);
#if NET_2_0
SetStyle(ControlStyles.UseTextForAccessibility, false);
base.SetAutoSizeMode (AutoSizeMode.GrowAndShrink);
#endif
canvas_width = ClientSize.Width;
canvas_height = ClientSize.Height;
document.ViewPortWidth = canvas_width;
document.ViewPortHeight = canvas_height;
Cursor = Cursors.IBeam;
}
public RichTextBox() : base()
{
autoWordSelection = false;
bulletIndent = 0;
detectUrls = true;
rightMargin = 0;
scrollBars = RichTextBoxScrollBars.Both;
zoomFactor = 1;
base.MaxLength = 2147483647;
base.Multiline = true;
}
static string XmlFromControlScrollBarsProperty(RichTextBoxScrollBars ScBars)
{
return XmlFromTagValue(ModUiTags.RichTextScrollBars, ScBars);
}
/// <summary>
/// 根据相关参数生成控件
/// </summary>
/// <param name="tabindex">控件的Tab索引</param>
/// <param name="cname">控件的中文名称</param>
/// <param name="ename">控件的英文名称</param>
/// <param name="size">控件的尺寸</param>
/// <param name="location">控件的坐标</param>
/// <param name="ismultiline">是否是多行文本</param>
/// <param name="iswrap">多行文本时是否自动换行</param>
/// <param name="controltype">控件的类型</param>
/// <param name="borderstyle">控件的边框样式</param>
/// <param name="autosize">是否自动调整控件高度</param>
/// <param name="scroll">TextBox控件的滚动条类型(注:只对多行文本有效)</param>
/// <param name="richscrollbar">RichTextBox控件的滚动条类型</param>
private Control CreateCustomControl(int tabindex, string cname, string ename, Size size, Point location, EditControlIsOrMultiline ismultiline, EditControlIsOrWrap iswrap, EditControlTypeInfo controltype, BorderStyle borderstyle, bool autosizeheight, ScrollBars scroll, RichTextBoxScrollBars richscrollbar)
{
try
{
Control CustomControl = null; //用来套用所有形参属性的控件模板
if (controltype == EditControlTypeInfo.RichTextBox) //判断是否是RichTextBox控件类型
{
CustomControl = System.Activator.CreateInstance(typeof(RichTextBox), true) as RichTextBox;
CustomControl.Name = ename;
((CustomControl) as RichTextBox).Multiline = ismultiline == EditControlIsOrMultiline.TrueMultiline ? true : false;
((CustomControl) as RichTextBox).BorderStyle = borderstyle;
((CustomControl) as RichTextBox).BackColor = Color.White;
((CustomControl) as RichTextBox).WordWrap = iswrap == EditControlIsOrWrap.TrueWrap ? true : false;
((CustomControl) as RichTextBox).DetectUrls = true;
((CustomControl) as RichTextBox).ScrollBars = richscrollbar;
((CustomControl) as RichTextBox).MaxLength = 200;
((CustomControl) as RichTextBox).TabIndex = tabindex;
((CustomControl) as RichTextBox).Tag = cname;
}
else if (controltype == EditControlTypeInfo.TextBoxLong)//判断是否是TextBoxLong类型,对应于长文本类型
{
CustomControl = System.Activator.CreateInstance(typeof(TextBox), true) as TextBox;
CustomControl.Name = ename;
((CustomControl) as TextBox).Multiline = ismultiline == EditControlIsOrMultiline.TrueMultiline ? true : false;
((CustomControl) as TextBox).BackColor = Color.White;
((CustomControl) as TextBox).BorderStyle = borderstyle;
((CustomControl) as TextBox).WordWrap = iswrap == EditControlIsOrWrap.TrueWrap ? true : false;
((CustomControl) as TextBox).ScrollBars = scroll;
((CustomControl) as TextBox).MaxLength = 200;
((CustomControl) as TextBox).TabIndex = tabindex;
((CustomControl) as TextBox).Tag = cname;
}
else if (controltype == EditControlTypeInfo.PictureBox)//是否是PictureBox类型
{
CustomControl = System.Activator.CreateInstance(typeof(PictureBox), true) as PictureBox;
CustomControl.Name = ename;
((CustomControl) as PictureBox).BackColor = Color.White;
((CustomControl) as PictureBox).BackgroundImageLayout = ImageLayout.Stretch;
((CustomControl) as PictureBox).BorderStyle = borderstyle;
((CustomControl) as PictureBox).SizeMode = PictureBoxSizeMode.Zoom;
((CustomControl) as PictureBox).Tag = cname;
CustomControl.Click += new EventHandler(CustomControl_Click); //单击图片事件提示选择图片
}
else if (controltype == EditControlTypeInfo.CheckBox) //是否是CheckBox类型
{
CustomControl = System.Activator.CreateInstance(typeof(CheckBox), true) as CheckBox;
CustomControl.Name = ename;
CustomControl.Text = cname;
CustomControl.Tag = cname;
}
else if (controltype == EditControlTypeInfo.TextBoxText)//是否是TextBox类型
{
CustomControl = System.Activator.CreateInstance(typeof(TextBox), true) as TextBox;
CustomControl.Name = ename;
CustomControl.Tag = cname;
((CustomControl) as TextBox).BackColor = Color.White;
((CustomControl) as TextBox).Multiline = ismultiline == EditControlIsOrMultiline.TrueMultiline ? true : false;
((CustomControl) as TextBox).WordWrap = iswrap == EditControlIsOrWrap.TrueWrap ? true : false;
((CustomControl) as TextBox).BorderStyle = borderstyle;
((CustomControl) as TextBox).MaxLength = 200;
CustomControl.KeyPress += new KeyPressEventHandler(CustomControl_KeyPress); //TextBox类型验证输入
}
else if (controltype == EditControlTypeInfo.DateTimePicker) //是否是DateTimePicker时间类型
{
CustomControl = System.Activator.CreateInstance(typeof(DateTimePicker), true) as DateTimePicker;
CustomControl.Name = ename;
CustomControl.Tag = cname;
((CustomControl) as DateTimePicker).Value = DateTime.Now; //当前系统时间为准
}
else if (controltype == EditControlTypeInfo.TextBoxNumber) //是否是TextBox只能输入数字的文本框
{
CustomControl = System.Activator.CreateInstance(typeof(TextBox), true) as TextBox;
CustomControl.Name = ename;
CustomControl.Tag = cname;
((CustomControl) as TextBox).BorderStyle = borderstyle;
((CustomControl) as TextBox).BackColor = Color.White;
((CustomControl) as TextBox).WordWrap = iswrap == EditControlIsOrWrap.TrueWrap ? true : false;
((CustomControl) as TextBox).MaxLength = 200;
((CustomControl) as TextBox).Multiline = ismultiline == EditControlIsOrMultiline.TrueMultiline ? true : false;
CustomControl.KeyPress += new KeyPressEventHandler(CustomControlNumber_KeyPress);
}
CustomControl.TabIndex = tabindex; //Tab索引
CustomControl.Size = size; //大小
CustomControl.Location = location; //呈现位置
CustomControl.ContextMenuStrip = CMS_CustomMenu; //设置控件的快捷菜单
CustomControl.MouseDown += new MouseEventHandler(CustomControl_MouseDown);
CustomControl.MouseMove += new MouseEventHandler(CustomControl_MouseMove);
CustomControl.MouseUp += new MouseEventHandler(CustomControl_MouseUp);
CustomControl.Move += new EventHandler(CustomControl_Move);
CustomControl.MouseEnter += new EventHandler(CustomControl_MouseEnter);
CustomControl.MouseLeave += new EventHandler(CustomControl_MouseLeave);
P_bgimg.Controls.Add(CustomControl);
return(CustomControl);
}
catch (Exception err) { MessageBox.Show(err.ToString()); return(new Control()); }
}
public virtual void ApplyScrollbars(RichTextBoxScrollBars scrollbars)
{
// No scrollbars in this implementation
}
