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// Unit1.cpp 开始-----------------
//---------------------------------------------------------------------------
#include <vcl.h>
#pragma hdrstop
#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//已知的剪贴板数据格式如下:
char *strClipboardFormats[17]={"cf_text","cf_bitmap","cf_metafilepict","cf_sylk",
"cf_dif","cf_tiff","cf_oemtext","cf_dib","cf_palette",
"cf_pendata","cf_riff","cf_wave","cf_unicodetext",
"cf_enhmetafile","cf_hdrop","cf_locale","cf_max"};
//获取自定义数据格式的名称
String GetUnknownFormatName(long lFormatID);
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
: TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button1Click(TObject *Sender)
{
int lr;
int icount;
ListBox1->Items->Clear();
if(OpenClipboard(Handle))
{
try
{
lr=EnumClipboardFormats(0);
if(lr!=0)
{
do
{
icount++;
if(lr<18)
ListBox1->Items->Add(strClipboardFormats[lr]);
else
ListBox1->Items->Add(GetUnknownFormatName(lr));
lr = EnumClipboardFormats(lr);
}while(lr!=0);
}
}
catch(...)
{
CloseClipboard();
}
}
CloseClipboard();
}
//---------------------------------------------------------------------------
String GetUnknownFormatName(long lFormatID)
{
//对于自定义格式,我们可以向剪贴板要注册过的名字:
char strBuf[255];
long lr;
lr = GetClipboardFormatName(lFormatID,strBuf,255);
if(lr!=0)
return String(strBuf);
else
return "-----None-------";
}
//---------程序结束--------------------