MENUITEMINFO
内容
类型定义 |
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Type MENUITEMINFO cbSize As Long fMask As Long fType As Long fState As Long wID As Long hSubMenu As Long hbmpChecked As Long hbmpUnchecked As Long dwItemData As Long dwTypeData As Long cch As Long End Type |
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说明 |
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这个结构包含了菜单条目的信息，不支持win nt 3.51（原文：This structure contains information about a menu entry. Not supported on NT 3.51） |
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字段表 |
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字段 |
类型及说明 |
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cbSize |
Long，结构大小，通常为44bytes（Size of this structure, currently at 44 bytes.） |
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fMask |
Long，Specifies the information to set or get. Any combination of the following |
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MIIM_CHECKMARKS |
Sets or gets the hbmpChecked and hbmpUnchecked fields |
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MIIM_DATA |
Sets or gets the dwItemData field |
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MIIM_ID |
ets or gets the wID field |
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MIIM_STATE |
Sets or gets the fState field |
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MIIM_SUBMENU |
Sets or gets the hSubMenu field |
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MIIM_TYPE |
Sets or gets the fType and dwTypeData fields |
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fType |
Long，Menu item type, any combination of the following with the exception that MFT_BITMAP, MFT_SEPARATOR, and MFT_STRING cannot be combined with one another:MFT_BITMAP: Displays the menu item using a bitmap. dwTypeData contains the bitmap handle.MFT_MENUBARBREAK: The menu item is placed on a new line for top level menus, a new column for popup menus. Places a line between the columns.MFT_MENUBREAK: Same as MFT_MENUBREAK without the vertical line.MFT_OWNERDRAW: The menu item is an owner-draw menu.MFT_RADIOCHECK: Uses a radio button (option button) bullet to indicate the checked state instead of a check mark. Applies if no custom bitmap is specified.MFT_RIGHTJUSTIFY: Right-justifies a top level menu item.MFT_SEPARATOR: The entry is a separator line in a pop-up menu.MFT_STRING: The entry contains a string. dwTypeData contains the address of the string, and the cch field contains the length of the string. |
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fState |
Long，Current menu entry state or action to take. May be any combination of the following:MFS_CHECKED: Entry is checked.MFS_DEFAULT: The entry is a default item (appears in bold).MFS_DISABLED: Entry is disabled.MFS_ENABLED: Entry is enabled.MFS_GRAYED: Entry is grayed and disabled.MFS_HILITE: Entry is highlighted.MFS_UNCHECKED: Entry is unchecked.MFS_UNHILITE: Entry is unhighlighted. |
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wID |
Long，Menu entry identifier. The high 16 bits are not used. |
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hSubMenu |
Long，Handle to a pop-up menu if one is associated with the menu entry |
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hbmpChecked |
Long，Handle to a bitmap to display for a menu entry when checked. Zero to use the default |
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hbmpUnchecked |
Long，Handle to a bitmap to display for a menu entry when unchecked. Zero to use the default |
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dwItemData |
Long，User-defined value associated with this entry. |
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dwTypeData |
Long，Depends on the menu type |
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cch |
Long，Length of the menu string when MFT_STRING is specified. Zero for other menu types. |
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