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jaketseng
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CFile类打开文件的有趣现象

 
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今天做了很多工作啊,只学了一个控件,CComboBox

CComboBox可以直接就绑定在控件里面,原来每个控件都可以Value或者Control两种性质的变量的。

然后,CComboBox控件,直接使用的时候,下拉的长度,要点点它的下箭头,然后拉到多长就多长,这个问题我弄了好半天才发现咯。

比较重要的

AddString增加一个选择。

GetCount取得一共有多少个选择在里面

GetCurSel返回选中的选项的index值

GetLBText根据index值取得该选择的内容。。。

ResetContent 清空CComboBox里面的东西

CComboBox Class Members

Construction/Destruction
Initialization
General Operations
String Operations
Overridables

Construction

CComboBox Constructs a CComboBox object.

Initialization

Create Creates the combo box and attaches it to the CComboBox object.
InitStorage Preallocates blocks of memory for items and strings in the list-box portion of the combo box.

General Operations

GetCount Retrieves the number of items in the list box of a combo box.
GetCurSel Retrieves the index of the currently selected item, if any, in the list box of a combo box.
SetCurSel Selects a string in the list box of a combo box.
GetEditSel Gets the starting and ending character positions of the current selection in the edit control of a combo box.
SetEditSel Selects characters in the edit control of a combo box.
SetItemData Sets the 32-bit value associated with the specified item in a combo box.
SetItemDataPtr Sets the 32-bit value associated with the specified item in a combo box to the specified pointer (void*).
GetItemData Retrieves the application-supplied 32-bit value associated with the specified combo-box item.
GetItemDataPtr Retrieves the application-supplied 32-bit value associated with the specified combo-box item as a pointer (void*).
GetTopIndex Returns the index of the first visible item in the list-box portion of the combo box.
SetTopIndex Tells the list-box portion of the combo box to display the item with the specified index at the top.
SetHorizontalExtent Sets the width in pixels that the list-box portion of the combo box can be scrolled horizontally.
GetHorizontalExtent Returns the width in pixels that the list-box portion of the combo box can be scrolled horizontally.
SetDroppedWidth Sets the minimum allowable width for the drop-down list-box portion of a combo box.
GetDroppedWidth Retrieves the minimum allowable width for the drop-down list-box portion of a combo box.
Clear Deletes (clears) the current selection (if any) in the edit control.
Copy Copies the current selection (if any) onto the Clipboard in CF_TEXT format.
Cut Deletes (cuts) the current selection, if any, in the edit control and copies the deleted text onto the Clipboard in CF_TEXT format.
Paste Inserts the data from the Clipboard into the edit control at the current cursor position. Data is inserted only if the Clipboard contains data in CF_TEXT format.
LimitText Limits the length of the text that the user can enter into the edit control of a combo box.
SetItemHeight Sets the height of list items in a combo box or the height of the edit-control (or static-text) portion of a combo box.
GetItemHeight Retrieves the height of list items in a combo box.
GetLBText Gets a string from the list box of a combo box.
GetLBTextLen Gets the length of a string in the list box of a combo box.
ShowDropDown Shows or hides the list box of a combo box that has the CBS_DROPDOWN or CBS_DROPDOWNLIST style.
GetDroppedControlRect Retrieves the screen coordinates of the visible (dropped-down) list box of a drop-down combo box.
GetDroppedState Determines whether the list box of a drop-down combo box is visible (dropped down).
SetExtendedUI Selects either the default user interface or the extended user interface for a combo box that has the CBS_DROPDOWN or CBS_DROPDOWNLIST style.
GetExtendedUI Determines whether a combo box has the default user interface or the extended user interface.
GetLocale Retrieves the locale identifier for a combo box.
SetLocale Sets the locale identifier for a combo box.

String Operations

AddString Adds a string to the end of the list in the list box of a combo box or at the sorted position for list boxes with the CBS_SORT style.
DeleteString Deletes a string from the list box of a combo box.
InsertString Inserts a string into the list box of a combo box.
ResetContent Removes all items from the list box and edit control of a combo box.
Dir Adds a list of filenames to the list box of a combo box.
FindString Finds the first string that contains the specified prefix in the list box of a combo box.
FindStringExact Finds the first list-box string (in a combo box) that matches the specified string.
SelectString Searches for a string in the list box of a combo box and, if the string is found, selects the string in the list box and copies the string to the edit control.

Overridables

DrawItem Called by the framework when a visual aspect of an owner-draw combo box changes.
MeasureItem Called by the framework to determine combo box dimensions when an owner-draw combo box is created.
CompareItem Called by the framework to determine the relative position of a new list item in a sorted owner-draw combo box.
DeleteItem Called by the framework when a list item is deleted from an owner-draw combo box.

CComboBox Overview | Base Class Members | Hierarchy Chart

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