IDR/UFileDropper.cpp at main · sarog/IDR · GitHub

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//---------------------------------------------------------------------------
#include <vcl.h>
#pragma hdrstop

#include "UFileDropper.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
//---------------------------------------------------------------------------
TDragDropHelper::TDragDropHelper(const HWND h)
    : wndHandle(h) {
    ::DragAcceptFiles(wndHandle, true);
}

//---------------------------------------------------------------------------
TDragDropHelper::~TDragDropHelper() {
    ::DragAcceptFiles(wndHandle, false);
}

//---------------------------------------------------------------------------
__fastcall TFileDropper::TFileDropper(HDROP aDropHandle)
    : DropHandle(aDropHandle) {}

//---------------------------------------------------------------------------
__fastcall TFileDropper::~TFileDropper() {
    ::DragFinish(DropHandle);
}

//---------------------------------------------------------------------------
String TFileDropper::GetFile(int Index) {
    const int FileNameLength = ::DragQueryFile(DropHandle, Index, 0, 0);

    String res;
    res.SetLength(FileNameLength);
    ::DragQueryFile(DropHandle, Index, AnsiString(res).c_str(), FileNameLength + 1);

    return res;
}

//---------------------------------------------------------------------------
int TFileDropper::GetFileCount() {
    return ::DragQueryFile(DropHandle, 0xFFFFFFFF, 0, 0);
}

//---------------------------------------------------------------------------
TPoint TFileDropper::GetPoint() {
    TPoint res(0, 0);
    DragQueryPoint(DropHandle, &res);
    return res;
}

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