mainform.cpp

来自「C++ BUILDER精彩编程实例集锦(源码) 第一部分 界面设计 第二部分」· C++ 代码 · 共 56 行

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "MainForm.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
   this->Memo1->Text="这是一个演示文字拖动操作的程序，您只要拖动这段文字，它就会自动从左边的编辑栏移到右边的编辑栏,或者会自动从右边的编辑栏移到左边的编辑栏";
   this->Memo2->Text="";
}
//---------------------------------------------------------------------------
void __fastcall TForm1::TextFromRightToLeft(TObject *Sender,
      TObject *Source, int X, int Y, TDragState State, bool &Accept)
{
  Accept=true;
}
//---------------------------------------------------------------------------


void __fastcall TForm1::FromRightToLeftText(TObject *Sender,
      TObject *Source, int X, int Y, TDragState State, bool &Accept)
{
  Accept=true;
}
//---------------------------------------------------------------------------

void __fastcall TForm1::OnDragpDrop(TObject *Sender, TObject *Source,
      int X, int Y)
{
  if(this->Memo2->Text.Length()>0)
  {
    this->Memo1->Text=this->Memo2->Text;
    this->Memo2->Text="";
  }
}
//---------------------------------------------------------------------------

void __fastcall TForm1::TwoDrapDrop(TObject *Sender, TObject *Source,
      int X, int Y)
{
  if(this->Memo1->Text.Length()>0)
  {
    this->Memo2->Text=this->Memo1->Text;
    this->Memo1->Text="";
  }
}
//---------------------------------------------------------------------------