WinQueryDlgItemText: Difference between revisions
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== Related Functions== | == Related Functions== | ||
* WinQueryDlgItemShort | * [[WinQueryDlgItemShort]] | ||
* | * [[WinQueryDlgItemTextLength]] | ||
* [[WinQueryWindowText]] | |||
* WinQueryWindowText | * [[WinQueryWindowTextLength]] | ||
* WinQueryWindowTextLength | * [[WinSetDlgItemShort]] | ||
* WinSetDlgItemShort | * [[WinSetDlgItemText]] | ||
* WinSetDlgItemText | * [[WinSetWindowText]] | ||
* WinSetWindowText | |||
[[Category:Win]] | [[Category:Win]] | ||
Latest revision as of 21:16, 6 August 2023
This function queries a text string in a dialog item.
Syntax
WinQueryDlgItemText(hwndDlg, idItem, lMaxText, pszText);
Parameters
- hwndDlg (HWND) - input
- Parent-window handle.
- idItem (ULONG) - input
- Identity of the child window whose text is to be queried.
- It must be greater or equal to 0 and less or equal to 0xFFFF.
- lMaxText (LONG) - input
- Length of pszText.
- It must be greater or equal to 0.
- pszText (PSZ) - output
- Output string.
- This is the text string that is obtained from the dialog item.
Returns
- ulRetLen (ULONG) - returns
- Actual number of characters returned.
- Error occurred
- Other
- Actual number of characters returned, not including the null-terminating character. The maximum value is (lMaxText-1).
Errors
Possible returns from WinGetLastError
- PMERR_INVALID_HWND (0x1001)
- An invalid window handle was specified.
Remarks
This function is valid for any window with children. However, it is typically used for dialog items in a dialog window.
Example Code
This example is the beginning of a function which processes the text which is displayed in the message text line.
#define INCL_WINDIALOGS
#include <os2.h>
#define DID_MSGEDIT 900
void SelectMessageFromText(hwndDlg)
HWND hwndDlg;
{
char szTemp[80];
/* First get the edit text from the string */
WinQueryDlgItemText(hwndDlg, DID_MSGEDIT, sizeof(szTemp), (PSZ)szTemp);
/* . */
/* . */
}