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我要对dialog里的最小化,最大化和那个X按钮进行编程,怎么做?

defector 2002-08-02 10:44:54
如题,谢谢
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dnyz 2002-08-02
是啊,处理WM_SYSCOMMAND消息,如:
void CRulerDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if(nID==SC_CLOSE)
{
CheckSave(MEASURE_LINE);
CheckSave(MEASURE_MULTILINE);
CheckSave(MEASURE_ANGLE);
}

CDialog::OnSysCommand(nID, lParam);
}
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wistaria 2002-08-02
截取WM_SYSCOMMAND消息。
该消息参数为:
uCmdType = wParam; // type of system command requested
xPos = LOWORD(lParam); // horizontal postion, in screen coordinates
yPos = HIWORD(lParam); // vertical postion, in screen coordinates
其 中 uCmdType表 示 用 户 的 选 择 :
SC_CLOSE Closes the window.
SC_CONTEXTHELP Changes the cursor to a question mark with a pointer. If the user then clicks a control in the dialog box, the control receives a WM_HELP message.
SC_DEFAULT Selects the default item; the user double-clicked the System menu.
SC_HOTKEY Activates the window associated with the application-specified hot key. The low-order word of lParam identifies the window to activate.
SC_HSCROLL Scrolls horizontally.
SC_KEYMENU Retrieves the System menu as a result of a keystroke.
SC_MAXIMIZE (or SC_ZOOM) Maximizes the window.
SC_MINIMIZE (or SC_ICON) Minimizes the window.
SC_MONITORPOWER Windows 95 only: Sets the state of the display. This command supports devices that have power-saving features, such as a battery-powered personal computer.
SC_MOUSEMENU Retrieves the System menu as a result of a mouse click.
SC_MOVE Moves the window.
SC_NEXTWINDOW Moves to the next window.
SC_PREVWINDOW Moves to the previous window.
SC_RESTORE Restores the window to its normal position and size.
SC_SCREENSAVE Executes the screen saver application specified in the [boot] section of the SYSTEM.INI file.
SC_SIZE Sizes the window.
SC_TASKLIST Executes or activates Windows Task Manager.
SC_VSCROLL Scrolls vertically.
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