Macros
#define	CB_GETEDITSEL 0xF140
	Gets the starting and ending character positions of the current selection. More...

#define	CB_LIMITTEXT 0xF141
	Limits the length of text in the edit control. More...

#define	CB_SETEDITSEL 0xF142
	Sets the starting and ending character positions of the current selection. More...

#define	CB_ADDSTRING 0xF143
	Adds a string to the list box of a combo box. More...

#define	CB_DELETESTRING 0xF144
	Deletes a string in the list box of a combo box. More...

#define	CB_GETCOUNT 0xF146
	Retreives the number of items in the list box of a combo box. More...

#define	CB_GETCURSEL 0xF147
	Retreives the index of the currently selected item in the list box. More...

#define	CB_GETLBTEXT 0xF148
	Retreives the string of an item in the list box. More...

#define	CB_GETLBTEXTLEN 0xF149
	Gets the string length of an item in the list box. More...

#define	CB_INSERTSTRING 0xF14A
	Inserts a string to the list box of a combo box. More...

#define	CB_RESETCONTENT 0xF14B
	Removes all items from the list box and edit control. More...

#define	CB_FINDSTRING 0xF14C
	Searchs the list box for an item beginning with the characters in a specified string. More...

#define	CB_SETCURSEL 0xF14E
	Selects a string in the list of a combo box. More...

#define	CB_GETITEMADDDATA 0xF150
	Retreives the application-supplied 32-bit value associated with the specified item. More...

#define	CB_SETITEMADDDATA 0xF151
	Sets a 32-bit data value with the specified item. More...

#define	CB_GETDROPPEDCONTROLRECT 0xF152
	Retreives the screen coordinates of the dropdown list box of a combo box. More...

#define	CB_SETITEMHEIGHT 0xF153
	Sets the height of all items of the list box in a combo box. More...

#define	CB_GETITEMHEIGHT 0xF154
	Gets the height of items of the list box in a combo box. More...

#define	CB_GETDROPPEDSTATE 0xF157
	Determines whether the list box of a combo box is dropped down. More...

#define	CB_FINDSTRINGEXACT 0xF158
	Searchs the list box for an item that matches the specified string. More...

#define	CB_SETSPINFORMAT 0xF162
	Sets the format string of value for CBS_AUTOSPIN type. More...

#define	CB_SETSPINRANGE 0xF163
	Determines the range of the spin box in a combo box. More...

#define	CB_GETSPINRANGE 0xF164
	Gets the range of the spin box in a combo box. More...

#define	CB_SETSPINVALUE 0xF165
	Determines the value of the spin box in a combo box. More...

#define	CB_GETSPINVALUE 0xF166
	Gets the current value of the spin box in a combo box. More...

#define	CB_SETSPINPACE 0xF167
	Determines the pace and the fast pace of the spin box in a combo box. More...

#define	CB_GETSPINPACE 0xF168
	Gets the pace and the fast pace of the spin box in a combo box. More...

#define	CB_SPIN 0xF170
	Spins the value of the spin box or auto spin box. More...

#define	CB_FASTSPIN 0xF171
	Fast spins the value of the spin box or auto spin box. More...

#define	CB_SETSTRCMPFUNC 0xF172
	Sets the STRCMP function used to sort items. More...

#define	CB_GETCHILDREN 0xF173
	Gets the handles to the children of a ComboBox control. More...

Detailed Description

Macro Definition Documentation

#define CB_ADDSTRING 0xF143

Adds a string to the list box of a combo box.

An application sends a CB_ADDSTRING message to add a string to the list box of a combo box.

 CB_ADDSTRING
 char* string;
 
 wParam = 0;
 lParam = (LPARAM)string;

Parameters

string Pointer to the null-terminated string to be added.

Returns: The index of the new item on success, else the one of the following error codes:

CB_ERRSPACE No memory can be allocated for new item.
CB_ERR Invalid passed arguments.

Definition at line 321 of file combobox.h.

#define CB_DELETESTRING 0xF144

Deletes a string in the list box of a combo box.

An application sends a CB_DELETESTRING message to delete a string in the list box of a combo box.

 CB_DELETESTRING
 int index;
 
 wParam = (WPARAM)index;
 lParam = 0;

Parameters

index Specifies the index of the string to delete.

Returns: If succeed, return zero; otherwise CB_ERR.

Definition at line 342 of file combobox.h.

#define CB_FASTSPIN 0xF171

Fast spins the value of the spin box or auto spin box.

 CB_FASTSPIN
 
 int direct
 
 wParam = (WPARAM)direct;
 lParam = 0;

Parameters

direct Indicats the direct of the spin. Zero means up, non-zero down.

Returns: Always be CB_OKAY.

Definition at line 843 of file combobox.h.

#define CB_FINDSTRING 0xF14C

Searchs the list box for an item beginning with the characters in a specified string.

An application sends a CB_FINDSTRING message to search the list box for an item beginning with the characters in a specified string.

 CB_FINDSTRING
 int indexStart;
 char* string;
 
 wParam = (WPARAM)indexStart;
 lParam = (LPARAM)string;

Parameters

indexStart	Index of the item preceding the first item to be searched.
string	Pointer to the null-terminated string that contains the prefix to search for.

Returns: The index of the matching item or CB_ERR to indicate not found.

Definition at line 498 of file combobox.h.

#define CB_FINDSTRINGEXACT 0xF158

Searchs the list box for an item that matches the specified string.

An application sends a CB_FINDSTRINGEXACT message to search the list box for an item that matches a specified string.

 CB_FINDSTRINGEXACT
 int indexStart;
 char* string;
 
 wParam = (WPARAM)indexStart;
 lParam = (LPARAM)string;

Parameters

indexStart	Index of the item preceding the first item to be searched.
string	Pointer to the null-terminated string to search for.

Returns: The index of the matching item; otherwise CB_ERR to indicate not found.

Definition at line 663 of file combobox.h.

#define CB_GETCHILDREN 0xF173

Gets the handles to the children of a ComboBox control.

An application sends a CB_GETCHILDREN message to get the handles to the children of a ComboBox control.

 CB_GETCHILDREN
 
 HWND *wnd_edit, *wnd_listbox;
 
 wParam = (WPARAM)wnd_edit;
 lParam = (LPARAM)wnd_listbox;

Parameters

wnd_edit	The buffer saving the handle to the edit box of the ComboBox control.
wnd_list	The buffer saving the handle to the list box of the ComboBox control. If the ComboBox have type of CBS_AUTOSPIN, handle to the list box will be 0.

Returns: Always be CB_OKAY.

Definition at line 900 of file combobox.h.

#define CB_GETCOUNT 0xF146

Retreives the number of items in the list box of a combo box.

An application sends a CB_GETCOUNT message to retreive the number of items in the list box of a combo box.

 CB_GETCOUNT
 
 wParam = 0;
 lParam = 0;

Returns: The number of items in the list box.

Definition at line 362 of file combobox.h.

#define CB_GETCURSEL 0xF147

Retreives the index of the currently selected item in the list box.

An application sends a CB_GETCURSEL message to retreive the index of the currently selected item in the list box of a combo box.

 CB_GETCURSEL
 
 wParam = 0;
 lParam = 0;

Returns: The index of currently selected item in the list box if have one; otherwise CB_ERR.

Definition at line 381 of file combobox.h.

#define CB_GETDROPPEDCONTROLRECT 0xF152

Retreives the screen coordinates of the dropdown list box of a combo box.

 CB_GETDROPPEDCONTROLRECT
 RECT *rect;
 
 wParam = 0;
 lParam = (LPARAM)rect;

Parameters

rect	Pointer to the RECT structure used to save the coordinates.

Definition at line 585 of file combobox.h.

#define CB_GETDROPPEDSTATE 0xF157

Determines whether the list box of a combo box is dropped down.

 CB_GETIDROPSTATE
 
 wParam = 0;
 lParam = 0;

Returns: If the list box is visible, the return value is TRUE; otherwise, it is FALSE.

Definition at line 640 of file combobox.h.

#define CB_GETEDITSEL 0xF140

Gets the starting and ending character positions of the current selection.

An application sends a CB_GETEDITSEL message to get the starting and ending character positions of the current selection in the edit control of a combo box.

 CB_GETEDITSEL
 int start;
 int end;
 
 wParam = (WPARAM)&start;
 lParam = (LPARAM)&end;

Parameters

start	Pointer to a 32-bit value that receives the starting position of the selection.
end	Pointer to a 32-bit value that receives the ending position of the selection.

Note: Not implemented yet.

Definition at line 251 of file combobox.h.

#define CB_GETITEMADDDATA 0xF150

Retreives the application-supplied 32-bit value associated with the specified item.

An application sends an CB_GETITEMADDDATA message to retrive the 32-bit data value associated with with an item in the list box of the combo box.

 CB_GETITEMADDDATA
 int index;
 
 wParam = (WPARAM)index;
 lParam = 0;

Parameters

index The index of the item.

Returns: The 32-bit data value associated with an item on success, otherwise CB_ERR to indicate an error.

Definition at line 543 of file combobox.h.

#define CB_GETITEMHEIGHT 0xF154

Gets the height of items of the list box in a combo box.

 CB_GETITEMHEIGHT
 
 wParam = 0;
 lParam = 0;

Returns: The height of item in the list box.

Definition at line 621 of file combobox.h.

#define CB_GETLBTEXT 0xF148

Retreives the string of an item in the list box.

An application sends a CB_GETLBTEXT message to retreive the string of a specified item in the list box of a combo box.

 CB_GETLBTEXT
 int index;
 char* string;
 
 wParam = (WPARAM)index;
 lParam = (LPARAM)string;

Parameters

index	The index of the selected item.
string	Pointer to the string buffer.

Returns

One of the following values:

CB_OKAY
Success.
CB_ERR
Invalid item index.

Definition at line 406 of file combobox.h.

#define CB_GETLBTEXTLEN 0xF149

Gets the string length of an item in the list box.

An application sends a CB_GETLBTEXTLEN message to get the string length of a specified item in the list box of a combo box.

 CB_GETLBTEXTLEN
 int index;
 
 wParam = (WPARAM)index;
 lParam = 0;

Parameters

index The index of the specified item.

Returns: The length of the string on success; otherwise CB_ERR.

Definition at line 427 of file combobox.h.

#define CB_GETSPINPACE 0xF168

Gets the pace and the fast pace of the spin box in a combo box.

 CB_GETSPINPACE
 int *spin_pace;
 int *spin_fastpace;
 
 wParam = (WPARAM)spin_pace;
 lParam = (LPARAM)spin_fastpace;

Parameters

spin_pace	Pointer to the data to retreive the new pace value of the spin box.
spin_fastpace	Pointer to the data to retreive the new fast pace value of the spin box.

Returns: Always be CB_OKAY.

Definition at line 805 of file combobox.h.

#define CB_GETSPINRANGE 0xF164

Gets the range of the spin box in a combo box.

 CB_GETSPINRANGE
 int *spin_min;
 int *spin_max;
 
 wParam = (WPARAM)spin_min;
 lParam = (LPARAM)spin_max;

Parameters

spin_min	The minimum value of the spin box.
spin_max	The maximum value of the spin box.

Returns: Always be CB_OKAY.

Definition at line 732 of file combobox.h.

#define CB_GETSPINVALUE 0xF166

Gets the current value of the spin box in a combo box.

 CB_GETSPINVALUE
 
 wParam = 0;
 lParam = 0;

Returns: The current value of the spin box.

Definition at line 765 of file combobox.h.

#define CB_INSERTSTRING 0xF14A

Inserts a string to the list box of a combo box.

An application sends a CB_INSERTSTRING message to insert a string to the list box of a combo box. Unlike the CB_ADDSTRING message, the CB_INSERTSTRING message do not cause a list to be sorted.

 CB_INSERTSTRING
 int index;
 char* string;
 
 wParam = (WPARAM)index;
 lParam = (LPARAM)string;

Parameters

index	The index of the position at which to insert the string.
string	Pointer to the null-terminated string to be added.

Returns: The index of the new item on success, else the one of the following error codes:

CB_ERRSPACE No memory can be allocated for new item.
CB_ERR Invalid passed arguments.

Definition at line 455 of file combobox.h.

#define CB_LIMITTEXT 0xF141

Limits the length of text in the edit control.

An application sends a CB_LIMITTEXT message to limit the length of the text the user may type into the edit control of a combo box.

 CB_LIMITTEXT
 int newLimit;
 
 wParam = (WPARAM)newLimit;
 lParam = 0;

Parameters

newLimit Specifies the maximum number of characters the user can enter.

Returns: The return value is always zero.

Definition at line 272 of file combobox.h.

#define CB_RESETCONTENT 0xF14B

Removes all items from the list box and edit control.

An application sends a CB_RESETCONTENT message remove all items from the list box and edit control of a combo box.

 CB_RESETCONTENT
 
 wParam = 0;
 lParam = 0;

Returns: Always be zero.

Definition at line 473 of file combobox.h.

#define CB_SETCURSEL 0xF14E

Selects a string in the list of a combo box.

 CB_SETCURLSEL
 int index;
 
 wParam = (WPARAM)index;
 lParam = 0;

Parameters

index The index of the string to select.

Returns: CB_OKAY on success; otherwise CB_ERR to indicate an invalid index.

Definition at line 518 of file combobox.h.

#define CB_SETEDITSEL 0xF142

Sets the starting and ending character positions of the current selection.

An application sends a CB_SETEDITSEL message to set the starting and ending character positions of the current selection in the edit control of a combo box.

 CB_SETEDITSEL
 int start;
 int end;
 
 wParam = (WPARAM)start;
 lParam = (LPARAM)end;

Parameters

start	The starting position of the selection.
end	The ending position of the selection.

Note: Not implemented yet.

Definition at line 296 of file combobox.h.

#define CB_SETITEMADDDATA 0xF151

Sets a 32-bit data value with the specified item.

An application sends an CB_SETITEMADDDATA message to associate a 32-bit data value specified in the lParam parameter with an item in the list box that is specified in the wParam parameter.

 CB_SETITEMADDDATA
 int index;
 DWORD addData;
 
 wParam = (WPARAM)index;
 lParam = (LPARAM)addData;

Parameters

index	The index of the specified item.
addData	the 32-bit data value which will associated with the item.

Returns

One of the following values:

CB_OKAY
Success
CB_ERR
Invalid item index

Definition at line 569 of file combobox.h.

#define CB_SETITEMHEIGHT 0xF153

Sets the height of all items of the list box in a combo box.

An application sends an CB_SETITEMHEIGHT message to set the height of all items of the list box in a combo box.

 CB_SETITEMHEIGHT
 int itemHeight;
 
 wParam = 0;
 lParam = (LPARAM)itemHeight;

Parameters

itemHeight New height of item of the list box.

Returns: The effective height of item of the list box.

Definition at line 606 of file combobox.h.

#define CB_SETSPINFORMAT 0xF162

Sets the format string of value for CBS_AUTOSPIN type.

 CB_SETSPINFORMAT
 const char* format;
 
 wParam = 0;
 lParam = (LPARAM)format;

Parameters

format A format string can be used by sprintf function to format an interger.

Returns: CB_OKAY on success; otherwise CB_ERR.

Definition at line 692 of file combobox.h.

#define CB_SETSPINPACE 0xF167

Determines the pace and the fast pace of the spin box in a combo box.

 CB_SETSPINPACE
 int new_pace;
 int new_fastpace;
 
 wParam = (WPARAM)new_pace;
 lParam = (LPARAM)new_fastpace;

Parameters

new_pace	The new pace value of the spin box.
new_fastpace	The new fast pace value of the spin box.

Returns: Always be CB_OKAY.

Definition at line 785 of file combobox.h.

#define CB_SETSPINRANGE 0xF163

Determines the range of the spin box in a combo box.

 CB_SETSPINRANGE
 int new_min;
 int new_max;
 
 wParam = (WPARAM)new_min;
 lParam = (LPARAM)new_max;

Parameters

new_min	The new minimum value of the spin box.
new_max	The new maximum value of the spin box.

Returns: CB_OKAY on success; otherwise CB_ERR to indicate invalid parameters.

Definition at line 712 of file combobox.h.

#define CB_SETSPINVALUE 0xF165

Determines the value of the spin box in a combo box.

 CB_SETSPINVALUE
 int new_value;
 
 wParam = (WPARAM)new_value;
 lParam = 0;

Parameters

new_value The new value of the spin box.

Returns: CB_OKAY on success; otherwise CB_ERR to indicate invalid parameters.

Definition at line 750 of file combobox.h.

#define CB_SETSTRCMPFUNC 0xF172

Sets the STRCMP function used to sort items.

An application sends a CB_SETSTRCMPFUNC message to set a new STRCMP function to sort items in the combo-box.

Note that you should send this message before adding any item to the combo-box control.

 static int my_strcmp (const char* s1, const char* s2, size_t n)
 {
      ...
      return 0;
 }
 
 CB_SETSTRCMPFUNC
 
 wParam = 0;
 lParam = (LPARAM) my_strcmp;

Parameters

my_strcmp Your own function to compare two strings.

Returns

One of the following values:

CB_OKAY
Success
CB_ERR
This combobox has no list box or it is not an empty list box.

Definition at line 876 of file combobox.h.

#define CB_SPIN 0xF170

Spins the value of the spin box or auto spin box.

 CB_SPIN
 
 int direct;
 
 wParam = (WPARAM)direct;
 lParam = 0;

Parameters

direct Indicats the direct of the spin. Zero means up, non-zero down.

Returns: Always be CB_OKAY.

Definition at line 824 of file combobox.h.

Macros

Detailed Description

Macro Definition Documentation