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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| Yes
| Win32s
| Yes
| Import Library
| -
| Header File
| winuser.h
| Unicode
| WinNT
| Platform Notes
| None
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MDICREATESTRUCT
The MDICREATESTRUCT structure contains information about the class, title, owner, location, and
size of a multiple document interface (MDI) child window.
typedef struct tagMDICREATESTRUCT { // mdic
LPCTSTR szClass;
LPCTSTR szTitle;
HANDLE hOwner;
int x;
int y;
int cx;
int cy;
DWORD style;
LPARAM lParam;
} MDICREATESTRUCT;
Members
szClass
Points to a null-terminated string specifying the name of the window class of
the MDI child window. The class name must have been registered by a previous
call to the RegisterClass function.
szTitle
Points to a null-terminated string that represents the title of the MDI child
window. Windows displays the title in the child window's title bar.
hOwner
Identifies the instance of the application creating the MDI client window.
x
Specifies the initial horizontal position, in client coordinates, of the MDI
child window. If this member is CW_USEDEFAULT, the MDI child window is assigned
the default horizontal position.
y
Specifies the initial vertical position, in client coordinates, of the MDI
child window. If this member is CW_USEDEFAULT, the MDI child window is assigned
the default vertical position.
cx
Specifies the initial width, in device units, of the MDI child window. If this
member is CW_USEDEFAULT, the MDI child window is assigned the default width.
cy
Specifies the initial height, in device units, of the MDI child window. If
this member is set to CW_USEDEFAULT, the MDI child window is assigned the default
height.
style
Specifies the style of the MDI child window. If the MDI client window was
created with the MDIS_ALLCHILDSTYLES window style, this member can be any
combination of the window styles listed in the description of the CreateWindow function. Otherwise, this member can be one or more of the following values:
Value
| Meaning
| WS_MINIMIZE
| Creates an MDI child window that is initially minimized.
| WS_MAXIMIZE
| Creates an MDI child window that is initially maximized.
| WS_HSCROLL
| Creates an MDI child window that has a horizontal scroll bar.
| WS_VSCROLL
| Creates an MDI child window that has a vertical scroll bar.
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lParam
Specifies an application-defined 32-bit value.
Remarks
When the MDI child window is created, Windows sends the WM_CREATE message to
the window. The lParam parameter of WM_CREATE contains a pointer to a CREATESTRUCT structure. The lpCreateParams member of this structure contains a pointer to the MDICREATESTRUCT structure passed with the WM_MDICREATE message that created the MDI child
window.
See Also
CLIENTCREATESTRUCT, CREATESTRUCT, WM_CREATE
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