7/14/2023 0 Comments Iclipboard windows![]() If a label is selected and contains an insertion point, the EditPaste function inserts the text from the clipboard at the insertion point. The handle returned by GetClipboardData is still owned by the clipboard, so an application must not free it or leave it locked. Inserts a copy of the data into the document.Retrieves the handle to the data in the selected format by calling the GetClipboardData function.Determines which of the available clipboard formats to retrieve.In the Label application, the application-defined EditPaste function pastes the content of the clipboard. format, and the CF_TEXT format on the clipboard using Place a registered clipboard format, the owner-display ![]() Memcpy(pboxLocalClip, pbox, sizeof(LABELBOX)) It is freed in response to the WM_DESTROYCLIPBOARD This copy is used to render data on request. Save a copy of the selected label as a local memory If no text is selected, the label as a whole is copied. Lock the handle and copy the text to the buffer. Allocate a global memory object for the text. If (pbox->ichSel = pbox->ichCaret) // zero length If text is selected, copy it using the CF_TEXT format. Pbox = (PLABELBOX) GetWindowLong(hwndSelected, 0) Get a pointer to the structure for the selected label. Int cchLabel // length of text in atchLabelįollowing is the EditCopy function. Int nXSel // window position corresponding to ichSel Int nXCaret // window position corresponding to ichCaret Int ichSel // with ichCaret, delimits selection RECT rcText // coordinates of rectangle containing textīOOL fSelected // TRUE if the label is selected The structure, called LABELBOX, is defined as follows.
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