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This function creates a modeless dialog box from a dialog box template resource. Before displaying the dialog box, it passes an application-defined value to the dialog box procedure as the lParamparameter of the WM_INITDIALOG message. An application can use this value to initialize dialog box controls.
HWND CreateDialogParam( HINSTANCE hInstance , LPCTSTR lpTemplateName , HWND hWndParent, DLGPROC lpDialogFunc , LPARAM dwInitParam );
Parameters
Return Values
The window handle to the dialog box indicates success. NULL indicates failure. To get extended error information, call GetLastError.
Remarks
The CreateDialogParamfunction uses the CreateWindowExfunction to create the dialog box. CreateDialogParamthen sends a WM_INITDIALOG message to the dialog box procedure. The function displays the dialog box if the template specifies the WS_VISIBLE style. Finally, CreateDialogParamreturns the window handle of the dialog box.
After CreateDialogParamreturns, the application displays the dialog box (if it is not already displayed) by using the ShowWindowfunction. The application destroys the dialog box by using the DestroyWindowfunction.
Windows CE does not support all styles in the DLGTEMPLATEstructure. This structure is in the template identified by the lpTemplateparameter .
Requirements
Runs on | Versions | Defined in | Include | Link to |
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Windows CE OS | 1.0 and later | Winuser.h |
Note This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.
See Also
CreateDialog, CreateDialogIndirect, CreateDialogIndirectParam, CreateWindowEx, DestroyWindow, DialogProc, GetLastError, ShowWindow, HIWORD, MAKEINTRESOURCE, LOWORD, WM_INITDIALOG, WM_SETFONT, DLGTEMPLATE