Hi, I'm unable to use my mouse to select any item from a combobox control placed on a modeless dialog box. I can very well do it with the keyboard but there still is a problem. When I've dropped the combobox list down, I cannot move my main window (i.e. the modeless dialog). Here is my code: Code: #include <afxwin.h> #include <tchar.h> #include "resource.h" BOOL CALLBACK DlgProc( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam ); int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow) { MSG msg; HWND hDlg; hDlg = CreateDialog(hInstance, MAKEINTRESOURCE(IDD_DIALOG1), NULL, DlgProc); if (NULL == hDlg) { MessageBox(NULL, _T("CreateDialog...FAILED."), 0, 0); return 0; } ShowWindow(hDlg, SW_SHOW); UpdateWindow(hDlg); while (GetMessage (&msg, NULL, 0, 0)) { IsDialogMessage(hDlg, &msg); } return msg.wParam; } BOOL CALLBACK DlgProc( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam ) { HWND hDlgCtrl; CComboBox cmbOb; switch (message) { case WM_INITDIALOG: hDlgCtrl = GetDlgItem(hwnd, IDC_CMB_TEST); cmbOb.Attach(hDlgCtrl); cmbOb.AddString("str 1"); cmbOb.AddString("str 2"); cmbOb.SetCurSel(0); cmbOb.Detach(); return TRUE; case WM_CLOSE: DestroyWindow(hwnd); return TRUE; case WM_DESTROY: PostQuitMessage(0); return TRUE; } return FALSE; }