delphi 01设置 字体属性
设置/获取 字体属性
- 名称
- 大小
- 粗体
- 斜体
- 下划线
删除线- 颜色1
- 颜色2
uses MSHTML;
//设置
//------------------------------------------------------------------------------
procedure WB_SetFontName();
begin
(Form1.webbrowser1.Document as
IHTMLDocument2).execCommand('FontName', False,
Form1.cbb_FontNameList.Text);
end;
//------------------------------------------------------------------------------
procedure WB_SetFontSize();
begin
(Form1.webbrowser1.Document as
IHTMLDocument2).execCommand('FontSize', false,
StrToInt(Form1.cbb_FontSize.Text));
end;
//------------------------------------------------------------------------------
procedure WB_SetBold();
begin
(Form1.webbrowser1.Document as
IHTMLDocument2).execCommand('Bold', False, 1);
end;
//------------------------------------------------------------------------------
procedure WB_Setstrike();
begin
(Form1.webbrowser1.Document as
IHTMLDocument2).execCommand('StrikeThrough', False,
1);
end;
//------------------------------------------------------------------------------
procedure WB_SetItalic();
begin
(Form1.webbrowser1.Document as
IHTMLDocument2).execCommand('Italic', False, 1);
end;
//------------------------------------------------------------------------------
procedure WB_SetUnderline();
begin
(Form1.webbrowser1.Document as
IHTMLDocument2).execCommand('Underline', False, 1);
end;
//------------------------------------------------------------------------------
//颜色要为 HTML 的颜色格式
procedure
WB_SetForeColor();
begin
(Form1.WebBrowser1.Document as
IHTMLDocument2).execCommand('ForeColor', False, '#CD0000');
end;
//------------------------------------------------------------------------------
procedure WB_SetBackColor();
begin
(Form1.WebBrowser1.Document as
IHTMLDocument2).execCommand('BackColor',false, '#8EE5EE');
end;//获得
//------------------------------------------------------------------------------
//First chance exception at $759E9617.
Exception class EOleException with message '不支持该命令。'. Process Webbrowser.exe
(6472)
function GetFontName():string;
begin
Result:=(Form1.webbrowser1.Document as
IHTMLDocument2).queryCommandValue('FontName');
end;
//------------------------------------------------------------------------------
function GetFontSize():string;
begin
Result:=(Form1.webbrowser1.Document as
IHTMLDocument2).queryCommandValue('FontSize');
end;
//------------------------------------------------------------------------------
function GetFontColor():TColor;
begin
Result:=(Form1.webbrowser1.Document as
IHTMLDocument2).queryCommandValue('ForeColor');
end;
//------------------------------------------------------------------------------
function GetFontBgColor():TColor;
begin
Result:=(Form1.webbrowser1.Document as
IHTMLDocument2).queryCommandValue('BackColor');
end;
//------------------------------------------------------------------------------
function IsBold():Boolean;
Var bRtn:Boolean;
begin
bRtn:= (Form1.webbrowser1.Document as
IHTMLDocument2).queryCommandState('Bold');
if bRtn then
Result:=True
else
Result:=False;
end;
//------------------------------------------------------------------------------
function IsItalic():Boolean;
Var bRtn:Boolean;
begin
bRtn:= (Form1.webbrowser1.Document as
IHTMLDocument2).queryCommandState('Italic');
if bRtn then
Result:=True
else
Result:=False;
end;
//------------------------------------------------------------------------------
function IsUnderline():Boolean;
Var bRtn:Boolean;
begin
bRtn:= (Form1.webbrowser1.Document as
IHTMLDocument2).queryCommandState('Underline');
if bRtn then
Result:=True
else
Result:=False;
end;
//------------------------------------------------------------------------------
function IsStrikeThrough():Boolean;
Var bRtn:Boolean;
begin
bRtn:= (Form1.webbrowser1.Document as
IHTMLDocument2).queryCommandState('StrikeThrough');
if bRtn then
Result:=True
else
Result:=False;
end;
//------------------------------------------------------------------------------
function IsSubScript():Boolean;
Var bRtn:Boolean;
begin
bRtn:= (Form1.webbrowser1.Document as
IHTMLDocument2).queryCommandState('SubScript');
if bRtn then
Result:=True
else
Result:=False;
end;
//------------------------------------------------------------------------------
function IsSuperScript():Boolean;
Var bRtn:Boolean;
begin
bRtn:= (Form1.webbrowser1.Document as
IHTMLDocument2).queryCommandState('SuperScript');
if bRtn then
Result:=True
else
Result:=False;
end;
//------------------------------------------------------------------------------
function IsJustifyLeft():Boolean;
Var bRtn:Boolean;
begin
bRtn:= (Form1.webbrowser1.Document as
IHTMLDocument2).queryCommandState('JustifyLeft');
if bRtn then
Result:=True
else
Result:=False;
end;
//------------------------------------------------------------------------------
function IsJustifyCenter():Boolean;
Var bRtn:Boolean;
begin
bRtn:= (Form1.webbrowser1.Document as
IHTMLDocument2).queryCommandState('JustifyCenter');
if bRtn then
Result:=True
else
Result:=False;
end;
//------------------------------------------------------------------------------
function IsJustifyRight():Boolean;
Var bRtn:Boolean;
begin
bRtn:= (Form1.webbrowser1.Document as
IHTMLDocument2).queryCommandState('JustifyRight');
if bRtn then
Result:=True
else
Result:=False;
end;
//------------------------------------------------------------------------------
function IsJustifyFull():Boolean;
Var bRtn:Boolean;
begin
bRtn:= (Form1.webbrowser1.Document as
IHTMLDocument2).queryCommandState('JustifyFull');
if bRtn then
Result:=True
else
Result:=False;
end;
//------------------------------------------------------------------------------
function IsInsertOrderedList():Boolean;
Var bRtn:Boolean;
begin
bRtn:= (Form1.webbrowser1.Document as
IHTMLDocument2).queryCommandState('InsertOrderedList');
if bRtn then
Result:=True
else
Result:=False;
end;
//------------------------------------------------------------------------------
function IsInsertUnorderedList():Boolean;
Var bRtn:Boolean;
begin
bRtn:= (Form1.webbrowser1.Document as
IHTMLDocument2).queryCommandState('InsertUnorderedList');
if bRtn then
Result:=True
else
Result:=False;
end;
//------------------------------------------------------------------------------
//工具栏感应
procedure TForm1.WebBrowser1CommandStateChange(ASender:
TObject;
Command: Integer; Enable: WordBool);
begin
//------------------------------------------------------------------------------
if WebBrowser1.ReadyState =READYSTATE_COMPLETE then
if GetSelText<>'' then
begin
mni_Copy.Enabled:=True;
btn_Copy.Enabled:=True;
btn_Cut.Enabled:=True;
mni_Cut.Enabled:=True;
end
else
begin
mni_Copy.Enabled:=false;
btn_Copy.Enabled:=False;
btn_Cut.Enabled:=False;
mni_Cut.Enabled:=false;
end;
//如果剪切板上没有内容则
if IsClipboardFormatAvailable(CF_TEXT) then
begin
btn_Paste.Enabled:=True;
mni_Paste.Enabled:=True;
end
else
begin
btn_Paste.Enabled:=False;
mni_Paste.Enabled:=False;
end;
//------------------------------------------------------------------------------
try
//cbb_FontNameList.Text:=GetFontName();
cbb_FontNameList.ItemIndex
:=cbb_FontNameList.Items.IndexOf(
GetFontName());
//cbb_FontSize.Text:=GetFontSize();
cbb_FontSize.ItemIndex
:=cbb_FontSize.Items.IndexOf(
GetFontSize());
btn_Bold.Down:=IsBold();
btn_Italic.Down:=IsItalic();
btn_Underline.Down:=IsUnderline();
btn_strikethrough.Down:=IsStrikeThrough();
btn_SubScript.Down:=IsSubScript();
btn_SuperScript.Down:=IsSuperScript();
ToolButton_AlignTwo.Down:=IsJustifyFull();
ToolButton_AlignLeft.Down:=IsJustifyLeft();
ToolButton_AlignCenter.Down:=IsJustifyCenter();
ToolButton_AlignRight.Down:=IsJustifyRight();
ToolButton_UnoredredList.Down:=IsInsertUnorderedList();
ToolButton_OrderedList.Down:=IsInsertOrderedList();
//格式化
except
Exit;
end;
case Command of
CSC_NAVIGATEBACK:
ToolButton_Back.Enabled :=
Enable; //“后退”按钮
CSC_NAVIGATEFORWARD:
ToolButton_Forward.Enabled :=
Enable; //“前进”按钮
CSC_UPDATECOMMANDS:
ToolButton_Stop.Enabled :=
TWebBrowser(ASender).Busy; //“停止”按钮
end;
end;
