字体.txt

c#的知识类库

float newSize=Convert.ToSingle(textSize);
			FontFamily currentFontFamily;
			Font newFont;
			currentFontFamily=this.rtfText.SelectionFont.FontFamily;
			newFont=new Font(currentFontFamily,newSize);
			this.rtfText.SelectionFont=newFont;
//----粗体切换
			Font newFont=new Font(this.rtfText.SelectionFont,(this.rtfText.SelectionFont.Bold?this.rtfText.SelectionFont.Style&~FontStyle.Bold:this.rtfText.SelectionFont.Style|FontStyle.Bold));
			this.rtfText.SelectionFont=newFont;
//----斜体切换
			Font newFont=new Font(this.rtfText.SelectionFont,(this.rtfText.SelectionFont.Italic?this.rtfText.SelectionFont.Style&~FontStyle.Italic:this.rtfText.SelectionFont.Style|FontStyle.Italic));
			this.rtfText.SelectionFont=newFont;
//----下划线体切换
			Font newFont=new Font(this.rtfText.SelectionFont,(this.rtfText.SelectionFont.Underline?this.rtfText.SelectionFont.Style&~FontStyle.Underline:this.rtfText.SelectionFont.Style|FontStyle.Underline));
			this.rtfText.SelectionFont=newFont;