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How to determine which textbox is drag/drop file to?
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See more: C++MFCVS2010
Hi all,
 
I have a MFC dialog C++ application in VS2010, And my application has two textbox is source folder(txtSrcfolder) and destination folder(txtDesFolder) so when I drag and drop a file to txtxDesFolder, I want to assign full file path to txtDesFolder and the same to txtSrcFolder.
But how to determine which textbox is draged to?
(if there is only one textbox i can handle it but with many control I can't)
 
Can you help me, please?
Posted 20 Jun '12 - 1:05
ngthtra1.3K
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1 solution

Try to pass a box pointer to this test Smile | :) :
/*static*/ bool CYourDialog::TestDropWnd(CWnd* pcWndTest)
{
  CPoint cPoint;
  if (::GetCursorPos(&cPoint)) {
    return (pcWndTest == CWnd::WindowFromPoint(cPoint));
  }
  return false;
}
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Posted 20 Jun '12 - 1:40
Eugen Podsypalnikov18.8K
Edited 20 Jun '12 - 1:45
v3
Comments
ngthtra - 20 Jun '12 - 22:19
how to use this code?
Eugen Podsypalnikov - 21 Jun '12 - 1:55
At your "dropped" event, call this test for the both boxes (pass their pointers). The function will return true, if a testing box is under the mouse :)
ngthtra - 21 Jun '12 - 22:37
so what will pcWndTest parameter be inputed? I am using CAppDlg::OnDropFiles(HDROP hDropInfo){} to get folder path
Eugen Podsypalnikov - 22 Jun '12 - 3:24
In the context of your dialog: bool bDroppedOnSrcBox(GetDlgItem(IDC_SRC_BOX)); // IDC_SRC_BOX is the resource ID of the box bool bDroppedOnTrgBox(GetDlgItem(IDC_TRG_BOX)); // IDC_TRG_BOX is the resource ID of the box
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