RichTextBox的简单使用
其实在Silverlight 4 中的sample中已经有一个很漂亮的名叫TextEditor的RichTextBox控件，
以下是我自己简单封装的一个RichEditor,返回的是一个UIElement.
1. 效果图
2. 调用方法
RichEditor 调用代码
RichEditor editor
=
new
Controls.RichEditor();
// 根据需要设置是否显示操作条
editor.IsDiplayClipboardBar = System.Windows.Visibility.Visible;
editor.IsDiplayImageBar = Visibility.Visible;
editor.IsDiplayParagraphBar = Visibility.Visible;
AutoGrid element = editor.GenerateRichEditor();
TaskDialog dialog = new TaskDialog()
{
Content = new Border
{
Child = new AutoGrid( 2 , 80 , 700 )
{
HorizontalAlignment = System.Windows.HorizontalAlignment.Left,
Children = {
( new TextBlock(){Text = " Title： " }),( new TextBox()),
( new TextBlock(){Text = " SubTitle： " }),( new TextBox()).Do(o => {o.Margin = new Thickness ( 0 , 5 , 0 , 5 );}),
( new TextBlock(){Text = " Author： " }),( new TextBox()),
( new TextBlock(){Text = " Content： " }).GridRowSpan( 2 ).Do(o => {o.Margin = new Thickness ( 0 , 45 , 0 , 0 );}),
element.Do(o => {o.Margin = new Thickness ( 0 , 5 , 0 , 5 );}),
}
}
}
};
dialog.OK += (s, args) => {
// UI.Alert(((RichTextBox)rtb.RichTextBoxContent).Xaml.ToString());
if (editor.GetRichEditor() != null )
{
UI.Alert(editor.GetRichEditor().Xaml.ToString());
}
};
dialog.Show();
// 根据需要设置是否显示操作条
editor.IsDiplayClipboardBar = System.Windows.Visibility.Visible;
editor.IsDiplayImageBar = Visibility.Visible;
editor.IsDiplayParagraphBar = Visibility.Visible;
AutoGrid element = editor.GenerateRichEditor();
TaskDialog dialog = new TaskDialog()
{
Content = new Border
{
Child = new AutoGrid( 2 , 80 , 700 )
{
HorizontalAlignment = System.Windows.HorizontalAlignment.Left,
Children = {
( new TextBlock(){Text = " Title： " }),( new TextBox()),
( new TextBlock(){Text = " SubTitle： " }),( new TextBox()).Do(o => {o.Margin = new Thickness ( 0 , 5 , 0 , 5 );}),
( new TextBlock(){Text = " Author： " }),( new TextBox()),
( new TextBlock(){Text = " Content： " }).GridRowSpan( 2 ).Do(o => {o.Margin = new Thickness ( 0 , 45 , 0 , 0 );}),
element.Do(o => {o.Margin = new Thickness ( 0 , 5 , 0 , 5 );}),
}
}
}
};
dialog.OK += (s, args) => {
// UI.Alert(((RichTextBox)rtb.RichTextBoxContent).Xaml.ToString());
if (editor.GetRichEditor() != null )
{
UI.Alert(editor.GetRichEditor().Xaml.ToString());
}
};
dialog.Show();
3. 主要方法
为字体设置为斜体
DependencyProperty property
=
TextElement.FontStyleProperty;
var value = richEditor.Selection.GetPropertyValue(property);
var newValue = FontStyles.Italic;
if (value != DependencyProperty.UnsetValue && ((FontStyle)value) == FontStyles.Italic)
{
newValue = FontStyles.Normal;
}
richEditor.Selection.ApplyPropertyValue(property, newValue);
var value = richEditor.Selection.GetPropertyValue(property);
var newValue = FontStyles.Italic;
if (value != DependencyProperty.UnsetValue && ((FontStyle)value) == FontStyles.Italic)
{
newValue = FontStyles.Normal;
}
richEditor.Selection.ApplyPropertyValue(property, newValue);
在以上，首先取得选择的要设置字体的格式的文字，然后稍加判断是否需要设置格式，然后为其设置格式即可。
在有些时候我们需要这样使用
DependencyProperty property = Inline.TextDecorationsProperty;
有些时候我们也可以直接使用Run,在RichTextBox生成的Xaml代码中我们就可以很清楚的看到。
4. 相关问题（本人没搞明白）
如何获取操作系统中现有的字体、大小然后遍历出来提供给用户？
这里的图片不是url，不是url就不能保存了？
恳切希望看到此问题的人不吝赐教，谢谢！